title
Web Development Tutorial - JavaScript, HTML, CSS - Rock Paper Scissors Game

description
This web development tutorial shows how to use JavaScript, HTML, and CSS to create a Rock Paper Scissors Game in the browser. Tutorial by whatsdev. Check out their channel: https://www.youtube.com/channel/UC0tRdbXVDbhaRvZPKsRgmxg -- Learn to code for free and get a developer job: https://www.freecodecamp.org Read hundreds of articles on programming: https://medium.freecodecamp.org

detail
{'title': 'Web Development Tutorial - JavaScript, HTML, CSS - Rock Paper Scissors Game', 'heatmap': [{'end': 474.67, 'start': 418.094, 'weight': 1}, {'end': 1521.343, 'start': 1464.859, 'weight': 0.779}, {'end': 1625.561, 'start': 1570.395, 'weight': 0.944}], 'summary': 'This tutorial focuses on building a rock paper scissors game using html, css, and javascript, covering the process of game development, styling web pages, dom manipulation, game logic implementation, animated borders, and javascript best practices for improved code readability and efficiency.', 'chapters': [{'end': 405.257, 'segs': [{'end': 111.139, 'src': 'embed', 'start': 80.739, 'weight': 0, 'content': [{'end': 82.721, 'text': 'Okay, so this is this is the working version.', 'start': 80.739, 'duration': 1.982}, {'end': 84.101, 'text': 'And this is the non working version.', 'start': 82.801, 'duration': 1.3}, {'end': 87.243, 'text': 'Okay, so as you can see, our HTML file is working.', 'start': 84.121, 'duration': 3.122}, {'end': 89.309, 'text': "So let's get rid of that.", 'start': 87.343, 'duration': 1.966}, {'end': 91.87, 'text': 'Okay So the first thing we have is the header.', 'start': 89.329, 'duration': 2.541}, {'end': 95.452, 'text': "So let's get that in a header tag, not a div tag.", 'start': 91.93, 'duration': 3.522}, {'end': 98.933, 'text': "So far, we've done pretty much everything in a div tag.", 'start': 95.472, 'duration': 3.461}, {'end': 99.854, 'text': "And that's okay.", 'start': 98.973, 'duration': 0.881}, {'end': 102.275, 'text': 'But we want to be more semantic.', 'start': 99.914, 'duration': 2.361}, {'end': 104.796, 'text': "Okay, so there's a header, it's a header.", 'start': 102.335, 'duration': 2.461}, {'end': 106.557, 'text': 'So we want to put it in a header tag.', 'start': 104.836, 'duration': 1.721}, {'end': 108.477, 'text': "If it's a footer, we're going to put it in a footer tag.", 'start': 106.597, 'duration': 1.88}, {'end': 111.139, 'text': "Okay And then later on, we'll go over section two.", 'start': 108.558, 'duration': 2.581}], 'summary': 'Improving html file structure for better semantics and readability.', 'duration': 30.4, 'max_score': 80.739, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv080739.jpg'}, {'end': 193.799, 'src': 'embed', 'start': 144.804, 'weight': 2, 'content': [{'end': 151.412, 'text': 'But we have two badges, user and computer, and then we have the scores themselves 00, starting number 00.', 'start': 144.804, 'duration': 6.608}, {'end': 160.062, 'text': "Okay, so for that, we'll do div of let's do let's see, this one going to be user.", 'start': 151.412, 'duration': 8.65}, {'end': 161.344, 'text': "So we'll say user.", 'start': 160.143, 'duration': 1.201}, {'end': 166.05, 'text': "And for this, we'll give it a badge class of badge, we'll copy this paste.", 'start': 162.005, 'duration': 4.045}, {'end': 169.134, 'text': 'And the next one is going to be computer comp.', 'start': 166.731, 'duration': 2.403}, {'end': 177.776, 'text': 'Okay, now classes are cool, because we can share, you know, the same styles across those two divs, right with the same class called badge.', 'start': 169.474, 'duration': 8.302}, {'end': 183.337, 'text': 'But we also want some IDs, because we want to uniquely position the user and comp later right,', 'start': 178.356, 'duration': 4.981}, {'end': 187.358, 'text': 'because the users on the left hand and then the compass on the right hand side.', 'start': 183.337, 'duration': 4.021}, {'end': 193.799, 'text': "So what we want to do is say, ID of, let's say we give it a ID of user label.", 'start': 187.418, 'duration': 6.381}], 'summary': 'Creating badges for user and computer with unique ids and shared class for styling.', 'duration': 48.995, 'max_score': 144.804, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv0144804.jpg'}, {'end': 301.575, 'src': 'embed', 'start': 272.884, 'weight': 4, 'content': [{'end': 274.665, 'text': "And now let's go back refresh that.", 'start': 272.884, 'duration': 1.781}, {'end': 275.345, 'text': "That's how it looks.", 'start': 274.705, 'duration': 0.64}, {'end': 282.797, 'text': "Okay Now we want to add the choices, right, these images, okay, so for that, we'll do div of class of choices.", 'start': 275.566, 'duration': 7.231}, {'end': 290.892, 'text': "And then we'll have inner divs, okay, we'll have those images wrapped inside each div.", 'start': 284.71, 'duration': 6.182}, {'end': 292.172, 'text': "Okay, so we'll do div.", 'start': 290.972, 'duration': 1.2}, {'end': 295.553, 'text': "And we'll say choice, because it's a bunch of choices.", 'start': 292.752, 'duration': 2.801}, {'end': 297.534, 'text': "So we'll have choice for each one of them.", 'start': 295.573, 'duration': 1.961}, {'end': 299.354, 'text': "And then we'll do image.", 'start': 298.074, 'duration': 1.28}, {'end': 301.575, 'text': "And right now, I don't have images.", 'start': 299.695, 'duration': 1.88}], 'summary': 'Adding choices and images to div class of choices for web development.', 'duration': 28.691, 'max_score': 272.884, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv0272884.jpg'}, {'end': 348.073, 'src': 'embed', 'start': 322.584, 'weight': 5, 'content': [{'end': 328.606, 'text': "If you see here, there it is, right? These are all images, don't worry about the DS store, that's nothing.", 'start': 322.584, 'duration': 6.022}, {'end': 331.988, 'text': 'So I just copied and pasted in here.', 'start': 329.487, 'duration': 2.501}, {'end': 339.591, 'text': 'Okay. So now what I can do is go here image source and I can say images slash.', 'start': 332.008, 'duration': 7.583}, {'end': 340.271, 'text': "it's called rock.", 'start': 339.591, 'duration': 0.68}, {'end': 341.792, 'text': 'I think rock PNG.', 'start': 340.271, 'duration': 1.521}, {'end': 342.952, 'text': 'the first one is rock right?', 'start': 341.792, 'duration': 1.16}, {'end': 345.393, 'text': "Okay, and then I'll copy this three times", 'start': 343.172, 'duration': 2.221}, {'end': 348.073, 'text': 'One time, two time, okay.', 'start': 346.813, 'duration': 1.26}], 'summary': 'Copying and pasting images, specifying image source, and duplicating an image three times.', 'duration': 25.489, 'max_score': 322.584, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv0322584.jpg'}], 'start': 0.129, 'title': 'Building rock paper scissors game', 'summary': 'Details the process of building a rock paper scissors game, emphasizing the use of semantic tags, showcasing the working and non-working versions of the html file, creating a scoreboard for user and computer, using classes and ids for styling and positioning, and involving the creation of a rock paper scissors game with images and messages.', 'chapters': [{'end': 122.554, 'start': 0.129, 'title': 'Building rock paper scissors game', 'summary': 'Details the process of building a rock paper scissors game, including creating files and coding the html structure, emphasizing the use of semantic tags and showcasing the working and non-working versions of the html file.', 'duration': 122.425, 'highlights': ['The speaker discusses creating the necessary files for the rock paper scissors game, including index.html, styles.css, and app.js.', 'Emphasizes the importance of using semantic HTML tags, such as header and footer, for better code structure and understanding.', 'Demonstrates the working and non-working versions of the HTML file to showcase progress in development.']}, {'end': 244.964, 'start': 122.614, 'title': 'Creating scoreboard for user and computer', 'summary': 'Discusses creating a scoreboard for user and computer, with two badges and scores, using classes and ids for styling and positioning, and using span tags for inline elements.', 'duration': 122.35, 'highlights': ['Creating scoreboard for user and computer The chapter focuses on creating a scoreboard for user and computer, including two badges and scores.', 'Using classes and IDs for styling and positioning The use of classes and IDs is emphasized to share styles across divs and uniquely position the user and computer elements.', 'Utilizing span tags for inline elements The transcript discusses using span tags instead of div tags for inline elements, specifically for the scores.']}, {'end': 405.257, 'start': 246.266, 'title': 'Creating rock paper scissors game', 'summary': "Involves creating a rock paper scissors game with images and messages, including the creation of divs, adding classes and ids, and inserting images into the game, with a focus on adding the message 'make your move'.", 'duration': 158.991, 'highlights': ["Creating divs for the game elements such as message, choices, and results, with specific classes like 'result' and 'choices' to categorize the elements.", 'Inserting images for rock, paper, and scissors into the game, with the image sources specified and the process of copying and pasting the images into the working directory explained.', "Assigning IDs to the game choices, including 'r' for rock, 'p' for paper, and 's' for scissors to identify each element for future use."]}], 'duration': 405.128, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv0129.jpg', 'highlights': ['Emphasizes the importance of using semantic HTML tags, such as header and footer, for better code structure and understanding.', 'Demonstrates the working and non-working versions of the HTML file to showcase progress in development.', 'Creating scoreboard for user and computer, including two badges and scores.', 'Using classes and IDs for styling and positioning to share styles across divs and uniquely position the user and computer elements.', "Creating divs for the game elements such as message, choices, and results, with specific classes like 'result' and 'choices' to categorize the elements.", 'Inserting images for rock, paper, and scissors into the game, with the image sources specified and the process of copying and pasting the images into the working directory explained.']}, {'end': 1474.415, 'segs': [{'end': 493.583, 'src': 'heatmap', 'start': 418.094, 'weight': 0, 'content': [{'end': 421.975, 'text': "Okay Alright, so now let's go here refresh.", 'start': 418.094, 'duration': 3.881}, {'end': 422.976, 'text': "That's how it looks like.", 'start': 422.035, 'duration': 0.941}, {'end': 423.876, 'text': 'Okay, cool.', 'start': 423.116, 'duration': 0.76}, {'end': 426.237, 'text': "So now let's actually add the styles.", 'start': 424.336, 'duration': 1.901}, {'end': 429.338, 'text': 'Before I add any styles, I want to make sure I link it.', 'start': 426.457, 'duration': 2.881}, {'end': 434.499, 'text': "So link, and we'll go here and say, styles dot CSS.", 'start': 429.378, 'duration': 5.121}, {'end': 440.481, 'text': "Okay And now when I write something in here, let's do body background to like red or something.", 'start': 434.899, 'duration': 5.582}, {'end': 442.202, 'text': 'Okay Boom.', 'start': 440.661, 'duration': 1.541}, {'end': 443.042, 'text': 'Okay, so it works.', 'start': 442.282, 'duration': 0.76}, {'end': 444.443, 'text': "Okay, so let's get rid of it.", 'start': 443.242, 'duration': 1.201}, {'end': 451.229, 'text': "Again, as always, let's start off with the universal selector, get rid of the default margin and padding.", 'start': 444.584, 'duration': 6.645}, {'end': 453.051, 'text': "So before I do that, let's refresh here.", 'start': 451.249, 'duration': 1.802}, {'end': 455.633, 'text': "Oh, let's get rid of it.", 'start': 453.571, 'duration': 2.062}, {'end': 457.194, 'text': 'Okay, refresh.', 'start': 456.374, 'duration': 0.82}, {'end': 471.128, 'text': 'What? Okay, margin, zero padding, zero, and then we want box sizing to border box, okay.', 'start': 461.458, 'duration': 9.67}, {'end': 474.67, 'text': "And refresh, that's it, right? margins are gone.", 'start': 471.728, 'duration': 2.942}, {'end': 480.133, 'text': 'Okay So the first thing we have to do is we have to style this header.', 'start': 475.03, 'duration': 5.103}, {'end': 493.583, 'text': "So for that, we will say, so let's go to index, we have header, and we'll just say, header, Okay, header, background to be white, right? It's white.", 'start': 480.213, 'duration': 13.37}], 'summary': 'Styling process includes linking css, removing default margins, and styling the header.', 'duration': 32.125, 'max_score': 418.094, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv0418094.jpg'}, {'end': 657.133, 'src': 'embed', 'start': 632.959, 'weight': 1, 'content': [{'end': 640.139, 'text': "Okay Once we have this, now we have to style the scoreboard, right? Okay, so what I'll do is let's go to scoreboard.", 'start': 632.959, 'duration': 7.18}, {'end': 647.525, 'text': 'Okay, because we gave it a class of scoreboard, right? If you guys remember, we gave this div a class of scoreboard.', 'start': 640.159, 'duration': 7.366}, {'end': 653.349, 'text': "So we'll do scoreboard, I'll first give it a border of three pixels solid white.", 'start': 648.045, 'duration': 5.304}, {'end': 655.171, 'text': "Okay, let's see how it looks.", 'start': 653.369, 'duration': 1.802}, {'end': 657.133, 'text': "Okay, that's how it looks right now.", 'start': 655.951, 'duration': 1.182}], 'summary': 'Styling the scoreboard with a three-pixel solid white border.', 'duration': 24.174, 'max_score': 632.959, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv0632959.jpg'}, {'end': 1158.831, 'src': 'embed', 'start': 1127.988, 'weight': 2, 'content': [{'end': 1132.931, 'text': 'And in that study HTML, we call it choices, and then choice for each one of them.', 'start': 1127.988, 'duration': 4.943}, {'end': 1138.675, 'text': "Okay, so we have to do is we'll say the first thing we'll do is that choice, okay, we'll grab each one.", 'start': 1133.091, 'duration': 5.584}, {'end': 1141.917, 'text': "And we'll do display inline block.", 'start': 1139.236, 'duration': 2.681}, {'end': 1145.36, 'text': 'Okay, so that will make it horizontal.', 'start': 1143.078, 'duration': 2.282}, {'end': 1150.361, 'text': 'Cool And now we also need to text align this.', 'start': 1146.957, 'duration': 3.404}, {'end': 1156.288, 'text': "So we'll do go to the parent hex align center.", 'start': 1150.621, 'duration': 5.667}, {'end': 1158.831, 'text': "Refresh Okay, that's how it looks like.", 'start': 1157.249, 'duration': 1.582}], 'summary': 'Studying html, making choices and applying styles for alignment resulted in a horizontal display with text centered.', 'duration': 30.843, 'max_score': 1127.988, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv01127988.jpg'}, {'end': 1301.533, 'src': 'embed', 'start': 1276.946, 'weight': 3, 'content': [{'end': 1285.528, 'text': 'you see, when we hover over it, the background changes right and cursor changes from this pointer to like this hand tool right.', 'start': 1276.946, 'duration': 8.582}, {'end': 1294.39, 'text': 'So what we do is for that we go down here we do dot choice hover, okay, on hover, we want the background to change.', 'start': 1285.548, 'duration': 8.842}, {'end': 1297.711, 'text': 'And also we want the cursor to change.', 'start': 1294.67, 'duration': 3.041}, {'end': 1300.012, 'text': 'So cursor, we want to say pointer, okay.', 'start': 1297.751, 'duration': 2.261}, {'end': 1301.533, 'text': "So that's how you change it.", 'start': 1300.652, 'duration': 0.881}], 'summary': 'Changing background and cursor on hover using css.', 'duration': 24.587, 'max_score': 1276.946, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv01276946.jpg'}, {'end': 1380.822, 'src': 'embed', 'start': 1351.489, 'weight': 4, 'content': [{'end': 1361.91, 'text': 'And we can do all 0.3 s ease, okay, so 0.3 s 0.3 stands for how many seconds, and s is, you know, seconds.', 'start': 1351.489, 'duration': 10.421}, {'end': 1369.532, 'text': "So here, if I do one s, you see, it's pretty slow, right? But that's not so natural, it's way too slow.", 'start': 1362.171, 'duration': 7.361}, {'end': 1372.572, 'text': 'So what you want to do is 0.3.', 'start': 1369.592, 'duration': 2.98}, {'end': 1374.233, 'text': "Okay, that's what I use usually.", 'start': 1372.572, 'duration': 1.661}, {'end': 1380.822, 'text': "So now it's a little bit more natural, right? So let's go back and change this color back to that.", 'start': 1374.313, 'duration': 6.509}], 'summary': 'Using 0.3 s ease for 0.3 seconds creates a more natural transition.', 'duration': 29.333, 'max_score': 1351.489, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv01351489.jpg'}], 'start': 405.517, 'title': 'Styling web page, scoreboard, labels, and choices with css', 'summary': 'Documents the process of styling web pages, scoreboards, labels, and choices in html with css, covering background colors, font families, positioning, borders, and more to create visually appealing designs.', 'chapters': [{'end': 611.721, 'start': 405.517, 'title': 'Styling web page with css', 'summary': 'Documents the process of styling a web page with css, including setting background colors, text alignment, font families, and margins, with a focus on creating a visually appealing layout and design.', 'duration': 206.204, 'highlights': ['The chapter emphasizes the process of styling a web page using CSS, including setting background colors, text alignment, font families, and margins, to create a visually appealing layout and design.', 'The transcript contains detailed steps on adding styles to elements, such as setting the background color of the body, aligning text to the center, specifying font families, and applying margin and padding for breathing room.', 'The speaker demonstrates the incorporation of specific colors, such as white for the header background and a dark bluish color for the body background, to enhance the visual appeal of the web page.', 'The chapter also briefly mentions the process of importing the ASAP font from Google Fonts to be used in the web page design.']}, {'end': 1126.927, 'start': 611.721, 'title': 'Styling scoreboard and labels with css', 'summary': 'Covers styling the scoreboard, labels, and result display with css, including changing border, width, font size, color, position, and alignment to enhance the visual presentation of the elements.', 'duration': 515.206, 'highlights': ['Styling the scoreboard with CSS The speaker demonstrates styling the scoreboard by adding a border, changing width, margin, font color, font size, border radius, text alignment, padding, and font family, improving the visual presentation of the scoreboard.', 'Positioning user and computer labels The process of positioning the user and computer labels is explained, involving the use of absolute positioning, relative positioning, and adjusting top and left/right properties to achieve the desired placement of the labels.', 'Adjusting result display with CSS The speaker adjusts the result display by changing font size, color, text alignment, font family, and font weight, enhancing the visual appearance and readability of the result display.']}, {'end': 1474.415, 'start': 1127.988, 'title': 'Styling choices in html', 'summary': 'Discusses styling choices in html, including setting display, alignment, margins, borders, padding, circular design, hover effects, background changes, and smooth transitions with specific css attributes and values.', 'duration': 346.427, 'highlights': ['The chapter covers setting display, alignment, margins, borders, padding, and circular design for HTML choices, with specific pixel and percentage values mentioned for each attribute.', 'Detailed explanation of creating hover effects in HTML, including background and cursor changes, with a working demonstration and specific CSS code provided.', "Explanation of implementing smooth transitions in HTML using 'transition' attribute, with specific '0.3s ease' value suggested and illustrated with color change examples.", "Demonstration of styling the 'action message' in HTML, including text alignment, color, font family, size, and boldness, with specific pixel and font size values mentioned.", 'Problem-solving approach to adjusting the margin for HTML choices and resolving the issue of shifting elements, with specific margin values and adjustments provided.']}], 'duration': 1068.898, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv0405517.jpg', 'highlights': ['The chapter emphasizes the process of styling a web page using CSS, including setting background colors, text alignment, font families, and margins, to create a visually appealing layout and design.', 'Styling the scoreboard with CSS The speaker demonstrates styling the scoreboard by adding a border, changing width, margin, font color, font size, border radius, text alignment, padding, and font family, improving the visual presentation of the scoreboard.', 'The chapter covers setting display, alignment, margins, borders, padding, and circular design for HTML choices, with specific pixel and percentage values mentioned for each attribute.', 'Detailed explanation of creating hover effects in HTML, including background and cursor changes, with a working demonstration and specific CSS code provided.', "Explanation of implementing smooth transitions in HTML using 'transition' attribute, with specific '0.3s ease' value suggested and illustrated with color change examples."]}, {'end': 2004.769, 'segs': [{'end': 1547.498, 'src': 'embed', 'start': 1524.065, 'weight': 0, 'content': [{'end': 1531.329, 'text': 'So when you click on rock, if you win, it goes, Hey, you know, you won, and the user score goes up.', 'start': 1524.065, 'duration': 7.264}, {'end': 1538.853, 'text': "And when you win, the border, there's a green border, it stays there for like 300 milliseconds, and then it goes away.", 'start': 1531.349, 'duration': 7.504}, {'end': 1543.176, 'text': "Okay, if it's a draw, then it's the gray color.", 'start': 1538.873, 'duration': 4.303}, {'end': 1544.396, 'text': "So that's a draw.", 'start': 1543.216, 'duration': 1.18}, {'end': 1547.498, 'text': "Okay And you probably noticed the numbers didn't change.", 'start': 1544.536, 'duration': 2.962}], 'summary': 'Rock click: win increases user score; green border shown for 300ms; draw results in gray; numbers remain static.', 'duration': 23.433, 'max_score': 1524.065, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv01524065.jpg'}, {'end': 1625.561, 'src': 'heatmap', 'start': 1570.395, 'weight': 0.944, 'content': [{'end': 1574.257, 'text': 'Okay, so again, all the other values work as well all the other buttons.', 'start': 1570.395, 'duration': 3.862}, {'end': 1577.359, 'text': "Okay, so let's go over to index.html.", 'start': 1574.558, 'duration': 2.801}, {'end': 1586.206, 'text': "And before I write any JavaScript, let's make sure that we add our JavaScript or link our JavaScript to HTML.", 'start': 1577.58, 'duration': 8.626}, {'end': 1590.509, 'text': 'Okay, and again, we do that right before the ending body tag yo.', 'start': 1586.266, 'duration': 4.243}, {'end': 1593.489, 'text': 'Okay, app.js.', 'start': 1591.647, 'duration': 1.842}, {'end': 1594.77, 'text': 'Okay, we have that.', 'start': 1593.569, 'duration': 1.201}, {'end': 1602.737, 'text': 'And once we have this, we can just go to here and just do Hello.', 'start': 1595.07, 'duration': 7.667}, {'end': 1605.14, 'text': "Let's see what that gives us.", 'start': 1603.598, 'duration': 1.542}, {'end': 1609.794, 'text': "refresh Okay, let's first open this file.", 'start': 1606.553, 'duration': 3.241}, {'end': 1611.395, 'text': 'Okay, because this is the working version.', 'start': 1609.874, 'duration': 1.521}, {'end': 1612.295, 'text': 'This is the final version.', 'start': 1611.415, 'duration': 0.88}, {'end': 1615.717, 'text': "So we'll go to here open in browser.", 'start': 1612.916, 'duration': 2.801}, {'end': 1617.698, 'text': 'Okay, so this is what we have right now.', 'start': 1615.757, 'duration': 1.941}, {'end': 1618.858, 'text': 'Right now, nothing works.', 'start': 1617.778, 'duration': 1.08}, {'end': 1622.54, 'text': "You see, when I click on it, nothing works, because we haven't done any of that yet.", 'start': 1618.898, 'duration': 3.642}, {'end': 1625.561, 'text': "So let's go to console.", 'start': 1623.3, 'duration': 2.261}], 'summary': "Link app.js to index.html, add 'hello' and test functionality in browser.", 'duration': 55.166, 'max_score': 1570.395, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv01570395.jpg'}, {'end': 1891.107, 'src': 'embed', 'start': 1854.815, 'weight': 1, 'content': [{'end': 1857.497, 'text': 'And this is going to be paper div.', 'start': 1854.815, 'duration': 2.682}, {'end': 1869.891, 'text': "And P, this is going to be PS and Let's go here and do rock paper scissors div.", 'start': 1858.318, 'duration': 11.573}, {'end': 1871.394, 'text': 'OK All right.', 'start': 1869.911, 'duration': 1.483}, {'end': 1874.499, 'text': 'So now we have cached the DOM.', 'start': 1871.574, 'duration': 2.925}, {'end': 1879.198, 'text': "Now let's go back to why we call it caching the DOM.", 'start': 1875.595, 'duration': 3.603}, {'end': 1886.664, 'text': 'So caching the DOM really means, so caching in general really means storing something for future use.', 'start': 1879.298, 'duration': 7.366}, {'end': 1891.107, 'text': "So here what we're doing is we're doing exactly the same thing.", 'start': 1887.745, 'duration': 3.362}], 'summary': 'Caching the dom involves storing elements for future use.', 'duration': 36.292, 'max_score': 1854.815, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv01854815.jpg'}], 'start': 1474.415, 'title': 'Rock paper scissors javascript and caching the dom', 'summary': 'Covers the javascript functionality of the rock paper scissors game, including the user interface response to different game outcomes and the scoring system. additionally, it explains the concept of caching the dom in javascript for better performance and convenience, emphasizing the importance of storing dom elements in variables for future use and performance improvement while avoiding repetitive document dot get element by id calls.', 'chapters': [{'end': 1577.359, 'start': 1474.415, 'title': 'Rock paper scissors javascript walkthrough', 'summary': 'Covers the javascript functionality of the rock paper scissors game, demonstrating the user interface response to different game outcomes and the scoring system.', 'duration': 102.944, 'highlights': ['The JavaScript functionality of the Rock Paper Scissors game is demonstrated, showing the user interface response to different game outcomes and the scoring system, including a 300-millisecond green border for wins, a gray color for draws, and a red border for losses.', 'The user interface response to different game outcomes is demonstrated, including a 300-millisecond green border for wins, a gray color for draws, and a red border for losses.', 'The scoring system for the game is demonstrated, with the user score increasing upon winning and the appropriate border indicating the outcome.']}, {'end': 2004.769, 'start': 1577.58, 'title': 'Caching the dom in javascript', 'summary': 'Explains the concept of caching the dom in javascript for better performance and convenience, emphasizing the importance of storing dom elements in variables for future use and performance improvement while avoiding repetitive document dot get element by id calls.', 'duration': 427.189, 'highlights': ['The concept of caching the DOM in JavaScript involves storing all DOM elements in variables for future use and performance improvement. The chapter explains the concept of caching the DOM in JavaScript for better performance and convenience, emphasizing the importance of storing DOM elements in variables for future use and performance improvement while avoiding repetitive document dot get element by ID calls.', 'Storing DOM elements in variables not only provides convenience but also improves performance by avoiding repetitive document dot get element by ID calls. The chapter emphasizes that storing DOM elements in variables not only provides convenience but also improves performance by avoiding repetitive document dot get element by ID calls.', 'Using variables to store DOM elements reduces the need for repetitive document dot get element by ID calls, leading to better performance and efficiency in JavaScript. The chapter explains that using variables to store DOM elements reduces the need for repetitive document dot get element by ID calls, leading to better performance and efficiency in JavaScript.']}], 'duration': 530.354, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv01474415.jpg', 'highlights': ['The JavaScript functionality of the Rock Paper Scissors game is demonstrated, showing the user interface response to different game outcomes and the scoring system, including a 300-millisecond green border for wins, a gray color for draws, and a red border for losses.', 'The concept of caching the DOM in JavaScript involves storing all DOM elements in variables for future use and performance improvement. The chapter explains the concept of caching the DOM in JavaScript for better performance and convenience, emphasizing the importance of storing DOM elements in variables for future use and performance improvement while avoiding repetitive document dot get element by ID calls.']}, {'end': 2878.102, 'segs': [{'end': 2035.717, 'src': 'embed', 'start': 2004.769, 'weight': 0, 'content': [{'end': 2005.529, 'text': 'if you need a source.', 'start': 2004.769, 'duration': 0.76}, {'end': 2007.37, 'text': 'So then what you can do is go here.', 'start': 2005.569, 'duration': 1.801}, {'end': 2009.011, 'text': 'Okay, I need a source.', 'start': 2007.67, 'duration': 1.341}, {'end': 2009.691, 'text': 'All right, cool.', 'start': 2009.191, 'duration': 0.5}, {'end': 2011.692, 'text': 'Better yet, just leave the book open right?', 'start': 2009.791, 'duration': 1.901}, {'end': 2014.694, 'text': "So that's like caching the DOM right.", 'start': 2012.172, 'duration': 2.522}, {'end': 2018.596, 'text': 'instead of doing document dot get element document dot query selector.', 'start': 2014.694, 'duration': 3.902}, {'end': 2021.998, 'text': 'every single time you play with that, you store in a variable.', 'start': 2018.596, 'duration': 3.402}, {'end': 2027.301, 'text': "So then it's just running that process one time, and then we have the reference point in that variable.", 'start': 2022.318, 'duration': 4.983}, {'end': 2032.905, 'text': "So we're really being efficient in terms of performance and also convenience, right? It's really convenient.", 'start': 2027.361, 'duration': 5.544}, {'end': 2035.717, 'text': "Alright, alright, so let's let's move forward.", 'start': 2033.615, 'duration': 2.102}], 'summary': 'Storing dom references in variables can improve performance and convenience.', 'duration': 30.948, 'max_score': 2004.769, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv02004769.jpg'}, {'end': 2093.157, 'src': 'embed', 'start': 2066.9, 'weight': 1, 'content': [{'end': 2076.248, 'text': "Okay, so we'll do add, add rock div dot add event listener, on a click, I want to write a function.", 'start': 2066.9, 'duration': 9.348}, {'end': 2079.591, 'text': 'And that function is just going to do console dot log.', 'start': 2076.908, 'duration': 2.683}, {'end': 2087.154, 'text': "Hey, you clicked on rock, Okay, so let's see if this works.", 'start': 2080.752, 'duration': 6.402}, {'end': 2091.376, 'text': 'Okay, so refresh, and inspect, go to console.', 'start': 2087.194, 'duration': 4.182}, {'end': 2093.157, 'text': "And now I'm going to click on rock.", 'start': 2091.777, 'duration': 1.38}], 'summary': 'Adding event listener for rock div to log click events.', 'duration': 26.257, 'max_score': 2066.9, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv02066900.jpg'}, {'end': 2247.151, 'src': 'embed', 'start': 2219.992, 'weight': 2, 'content': [{'end': 2228.36, 'text': "So then we can define that game down here, we'll actually just keep it, you know, in a chronological order.", 'start': 2219.992, 'duration': 8.368}, {'end': 2231.242, 'text': "So now let's define a function called game.", 'start': 2228.86, 'duration': 2.382}, {'end': 2238.527, 'text': 'And of course, our game function is going to take a user input, right user choice in this case.', 'start': 2231.902, 'duration': 6.625}, {'end': 2247.151, 'text': "So what we're saying is again when somebody clicks on any of these buttons, take the value of those buttons or whatever it is,", 'start': 2239.547, 'duration': 7.604}], 'summary': 'Defining a function called game to take user input for a game.', 'duration': 27.159, 'max_score': 2219.992, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv02219992.jpg'}, {'end': 2655.917, 'src': 'embed', 'start': 2628.097, 'weight': 3, 'content': [{'end': 2633.02, 'text': "So it's going to be a random, it's going to basically give you a random element from that choices array.", 'start': 2628.097, 'duration': 4.923}, {'end': 2637.603, 'text': "Okay, so let's get rid of that we know that our function works.", 'start': 2633.22, 'duration': 4.383}, {'end': 2641.946, 'text': 'So now we can move forward in that game, user choice function.', 'start': 2637.663, 'duration': 4.283}, {'end': 2644.868, 'text': 'Okay, so now we have user choice.', 'start': 2642.126, 'duration': 2.742}, {'end': 2646.369, 'text': 'Now we need to get the computer choice.', 'start': 2644.988, 'duration': 1.381}, {'end': 2655.917, 'text': 'So we can just do const, computer choice, choice equals get computer choice.', 'start': 2646.409, 'duration': 9.508}], 'summary': 'Developing a game function to generate random user and computer choices.', 'duration': 27.82, 'max_score': 2628.097, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv02628097.jpg'}, {'end': 2789.213, 'src': 'embed', 'start': 2761.805, 'weight': 4, 'content': [{'end': 2768.95, 'text': "if you know, user picks rock and computer pick scissor, then it's a win right?", 'start': 2761.805, 'duration': 7.145}, {'end': 2775.474, 'text': "If the user picks paper and the computer picks scissor, then it's a loss right?", 'start': 2769.39, 'duration': 6.084}, {'end': 2776.334, 'text': 'So we have to do that.', 'start': 2775.494, 'duration': 0.84}, {'end': 2783.891, 'text': "So that now what we can do is, instead of using if statements, I'm going to use switch statement here.", 'start': 2776.414, 'duration': 7.477}, {'end': 2789.213, 'text': "I'm going to give you a quick intro here, but I highly recommend you check up the documentation.", 'start': 2783.891, 'duration': 5.322}], 'summary': 'Discussion on using switch statement instead of if statements for user-computer game logic.', 'duration': 27.408, 'max_score': 2761.805, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv02761805.jpg'}], 'start': 2004.769, 'title': 'Dom manipulation and rock paper scissors game creation', 'summary': 'Discusses efficient dom manipulation and event handling, emphasizing the importance of storing dom references in variables for improved performance and convenience, and implementing event listeners for a game. it also explains creating a rock paper scissors game function to take user input and compare it against a computer choice, as well as generating a random computer choice using javascript methods and explaining the usage of switch statements for comparison.', 'chapters': [{'end': 2219.952, 'start': 2004.769, 'title': 'Efficient dom manipulation and event handling', 'summary': 'Discusses efficient dom manipulation and event handling, emphasizing the importance of storing dom references in variables for improved performance and convenience, and implementing event listeners to respond to user interactions with specific buttons for a game.', 'duration': 215.183, 'highlights': ['The importance of storing DOM references in variables for improved performance and convenience is emphasized, as it allows for efficient manipulation of the DOM and minimizes the need for repetitive document queries. Improved performance, minimized repetitive document queries', 'The process of implementing event listeners for specific buttons to respond to user interactions is detailed, showcasing the functionality through the example of a game where clicking on different buttons triggers specific actions. Detailed process of implementing event listeners, functionality showcased through a game example']}, {'end': 2878.102, 'start': 2219.992, 'title': 'Creating rock paper scissors game', 'summary': 'Explains the process of defining a game function to take user input and compare it against a computer choice, as well as creating a separate function to generate a random computer choice using javascript methods and explaining the usage of switch statements for comparison.', 'duration': 658.11, 'highlights': ["Defining a game function to take user input and compare it against a computer choice The chapter discusses the creation of a function called 'game' to take a user choice and compare it against a computer choice, demonstrating the process of capturing user input and initiating the comparison.", "Creating a separate function to generate a random computer choice using JavaScript methods A separate function 'get computer choice' is created to generate a random computer choice by utilizing JavaScript's math object and its random method, as well as explaining the use of math.floor to obtain a whole number for the computer choice.", 'Explanation of switch statements for comparison instead of if statements The chapter provides an explanation of switch statements as an alternative to if statements for comparison, illustrating its usage with an example and emphasizing the recommendation to refer to the documentation for further understanding.']}], 'duration': 873.333, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv02004769.jpg', 'highlights': ['The importance of storing DOM references in variables for improved performance and convenience is emphasized, as it allows for efficient manipulation of the DOM and minimizes the need for repetitive document queries. Improved performance, minimized repetitive document queries', 'Detailed process of implementing event listeners, functionality showcased through a game example', "Defining a game function to take user input and compare it against a computer choice The chapter discusses the creation of a function called 'game' to take a user choice and compare it against a computer choice, demonstrating the process of capturing user input and initiating the comparison.", "Creating a separate function to generate a random computer choice using JavaScript methods A separate function 'get computer choice' is created to generate a random computer choice by utilizing JavaScript's math object and its random method, as well as explaining the use of math.floor to obtain a whole number for the computer choice.", 'Explanation of switch statements for comparison instead of if statements The chapter provides an explanation of switch statements as an alternative to if statements for comparison, illustrating its usage with an example and emphasizing the recommendation to refer to the documentation for further understanding.']}, {'end': 3831.387, 'segs': [{'end': 2982.939, 'src': 'embed', 'start': 2878.362, 'weight': 0, 'content': [{'end': 2885.087, 'text': 'Okay, very similar, you can do everything that you can do is do with switch statements with if statements and vice versa.', 'start': 2878.362, 'duration': 6.725}, {'end': 2891.271, 'text': 'But in some cases, switch statements make things a lot easier than you know, if statements.', 'start': 2885.287, 'duration': 5.984}, {'end': 2900.175, 'text': 'So here, what we can do is say, switch, user choice, plus computer choice.', 'start': 2891.532, 'duration': 8.643}, {'end': 2908.48, 'text': "Okay, So let's first take care of all the cases, all the situations when the user wins.", 'start': 2900.195, 'duration': 8.285}, {'end': 2918.906, 'text': 'okay, so the user will win if the user choice is R and rock and the computer choice is paper.', 'start': 2908.48, 'duration': 10.426}, {'end': 2925.169, 'text': 'Yep. And if the user choices paper and the computer choice is rock.', 'start': 2919.166, 'duration': 6.003}, {'end': 2934.454, 'text': 'And if the computer choice user choice is scissors and the computer choice is rock.', 'start': 2926.87, 'duration': 7.584}, {'end': 2936.836, 'text': 'No paper.', 'start': 2935.895, 'duration': 0.941}, {'end': 2941.378, 'text': 'Yeah Yeah, RPPR SP.', 'start': 2937.776, 'duration': 3.602}, {'end': 2947.761, 'text': 'Okay, in those cases, what we want to do is say console dot log, user wins.', 'start': 2941.518, 'duration': 6.243}, {'end': 2954.892, 'text': "Okay, and then break, you always need to put that break or else it'll keep going to the bottom.", 'start': 2948.502, 'duration': 6.39}, {'end': 2955.732, 'text': "We don't want that.", 'start': 2955.032, 'duration': 0.7}, {'end': 2957.353, 'text': "So we'll also do case.", 'start': 2955.892, 'duration': 1.461}, {'end': 2959.974, 'text': "So now we'll take care of when the user loses.", 'start': 2957.553, 'duration': 2.421}, {'end': 2968.597, 'text': 'So if the user picks rock and the computer picks what wins with rock paper, okay.', 'start': 2960.034, 'duration': 8.563}, {'end': 2982.939, 'text': 'And user picks rock paper and computer picks scissors, and rock scissors, and computer picks rock.', 'start': 2969.737, 'duration': 13.202}], 'summary': 'Comparing switch and if statements for user-computer game outcomes.', 'duration': 104.577, 'max_score': 2878.362, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv02878362.jpg'}, {'end': 3146.643, 'src': 'embed', 'start': 3118.464, 'weight': 2, 'content': [{'end': 3126.39, 'text': 'what we can do is we can again separately create different functions for winning, losing and draw.', 'start': 3118.464, 'duration': 7.926}, {'end': 3130.973, 'text': 'okay, we never want to put and jam all the logic in one function, never.', 'start': 3126.39, 'duration': 4.583}, {'end': 3139.118, 'text': "ever Okay, because then later on, it's it's hard to read, it's hard to debug, it's hard to work with other people, it's just bad.", 'start': 3131.633, 'duration': 7.485}, {'end': 3146.643, 'text': "Okay So instead of logging wins, and stuff like that, what we'll do is we'll say wins, create a function called wins.", 'start': 3139.258, 'duration': 7.385}], 'summary': 'Separate functions for winning, losing, and draw to improve readability and maintainability.', 'duration': 28.179, 'max_score': 3118.464, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv03118464.jpg'}, {'end': 3250.354, 'src': 'embed', 'start': 3221.031, 'weight': 3, 'content': [{'end': 3224.913, 'text': "So again, let's go back and start working.", 'start': 3221.031, 'duration': 3.882}, {'end': 3226.694, 'text': 'Okay, so right now we have win.', 'start': 3224.993, 'duration': 1.701}, {'end': 3233.656, 'text': 'And now, when we win, we want to show what do we want to do?', 'start': 3227.354, 'duration': 6.302}, {'end': 3238.562, 'text': 'first, we want to first increase the user score right?', 'start': 3233.656, 'duration': 4.906}, {'end': 3242.766, 'text': 'So the first thing we do is we go up, we have user score and computer score right?', 'start': 3238.802, 'duration': 3.964}, {'end': 3249.493, 'text': 'So what we can do is say user score, user score plus plus.', 'start': 3243.287, 'duration': 6.206}, {'end': 3250.354, 'text': "that's it right.", 'start': 3249.493, 'duration': 0.861}], 'summary': 'The plan is to increase the user score by one when winning.', 'duration': 29.323, 'max_score': 3221.031, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv03221031.jpg'}, {'end': 3324.681, 'src': 'embed', 'start': 3297.583, 'weight': 4, 'content': [{'end': 3304.428, 'text': "So what's happening right now, it's saying you're trying to change the constant variable, okay, this const.", 'start': 3297.583, 'duration': 6.845}, {'end': 3314.435, 'text': 'So what we do is instead of cons, we can either use let, or var, okay, we should we should be okay using let here, okay, so we can just use let.', 'start': 3304.928, 'duration': 9.507}, {'end': 3318.978, 'text': "Alright, so now let's go back here and do the same thing.", 'start': 3315.115, 'duration': 3.863}, {'end': 3324.681, 'text': 'draw you see that when you when you when we win, the score went up by one.', 'start': 3320.359, 'duration': 4.322}], 'summary': 'The transcript discusses changing constant variable to let or var, and observing the score increase by one.', 'duration': 27.098, 'max_score': 3297.583, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv03297583.jpg'}, {'end': 3380.562, 'src': 'embed', 'start': 3346.991, 'weight': 5, 'content': [{'end': 3355.757, 'text': 'So what we do is, instead of console dot logging, we just go user score span.', 'start': 3346.991, 'duration': 8.766}, {'end': 3357.899, 'text': "okay, because that's the element right?", 'start': 3355.757, 'duration': 2.142}, {'end': 3361.382, 'text': "Because we're saying user, get element by ID, user score.", 'start': 3358.76, 'duration': 2.622}, {'end': 3364.706, 'text': "And that's the span tag, this span tag right here.", 'start': 3361.502, 'duration': 3.204}, {'end': 3366.467, 'text': "Okay, so let's go back.", 'start': 3364.966, 'duration': 1.501}, {'end': 3374.876, 'text': 'And all we do is user score span dot inner HTML equals user score.', 'start': 3367.148, 'duration': 7.728}, {'end': 3376.458, 'text': "That's it.", 'start': 3376.138, 'duration': 0.32}, {'end': 3380.562, 'text': 'And then we can also do the computer score.', 'start': 3377.96, 'duration': 2.602}], 'summary': 'Instead of console logging, update user score span using user score and computer score.', 'duration': 33.571, 'max_score': 3346.991, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv03346991.jpg'}, {'end': 3760.093, 'src': 'embed', 'start': 3731.566, 'weight': 7, 'content': [{'end': 3733.969, 'text': 'okay. so that works.', 'start': 3731.566, 'duration': 2.403}, {'end': 3740.739, 'text': "but now, While we're at it, I also want to introduce you guys to some ES six.", 'start': 3733.969, 'duration': 6.77}, {'end': 3744.782, 'text': 'Okay, so, right now this is this is CS five right here, right?', 'start': 3740.859, 'duration': 3.923}, {'end': 3751.547, 'text': 'When you have to combine a variable with a string, all you do is plus okay, which is cool, but not so cool.', 'start': 3744.842, 'duration': 6.705}, {'end': 3754.909, 'text': "Okay So in ES six, there's something called template strings.", 'start': 3751.567, 'duration': 3.342}, {'end': 3756.61, 'text': 'And all you do is with the backticks.', 'start': 3754.949, 'duration': 1.661}, {'end': 3760.093, 'text': "Okay And if you don't know what where the backtick is, you can google that.", 'start': 3756.71, 'duration': 3.383}], 'summary': 'Introducing es6 template strings for variable concatenation, improving code readability.', 'duration': 28.527, 'max_score': 3731.566, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv03731566.jpg'}], 'start': 2878.362, 'title': 'Game development functions and logic', 'summary': 'Covers the use of switch statements for game logic, refactoring game functions, and implementing user score and display, emphasizing attention to detail in programming and demonstrating examples and demonstrations.', 'chapters': [{'end': 3093.648, 'start': 2878.362, 'title': 'Switch vs if statements in game logic', 'summary': 'Demonstrates how to use switch statements to streamline game logic, handling win, lose, and draw scenarios, and highlights the need for attention to detail in programming.', 'duration': 215.286, 'highlights': ['Switch statements can make handling win, lose, and draw scenarios in game logic a lot easier than if statements, improving the efficiency of the code.', "The importance of including 'break' in switch cases is emphasized to prevent the code from falling through to subsequent cases, ensuring accurate execution of game logic.", 'The need for attention to detail in programming is highlighted through the example of an error in the logic, emphasizing the importance of thorough testing and debugging in software development.']}, {'end': 3269.754, 'start': 3093.668, 'title': 'Refactoring game functions and scoring', 'summary': "Discusses refactoring the game functions into separate functions for winning, losing, and drawing, and incrementing the user's score upon winning, with examples and demonstrations.", 'duration': 176.086, 'highlights': ['Refactoring game functions into separate functions for winning, losing, and drawing. The speaker emphasizes the importance of creating separate functions for winning, losing, and drawing to improve readability, debugging, and collaboration, demonstrating the process with examples.', "Incrementing the user's score upon winning. The chapter demonstrates the process of incrementing the user's score upon winning by using the 'user score += 1' operation, highlighting the practical implementation of scoring in the game."]}, {'end': 3831.387, 'start': 3269.894, 'title': 'Game development: user score and display', 'summary': "Covers the implementation of user score incrementation and display, using 'let' instead of 'const', updating the user and computer scores, and introducing es6 template strings for improved string interpolation.", 'duration': 561.493, 'highlights': ["The user score increases by one each time the user wins, with an instance of winning eight times in a row, prompting the use of 'let' instead of 'const'. The user score increments by one for each win, and there is an instance of winning eight times in a row, leading to the decision to switch from 'const' to 'let' for the user score.", "The implementation of updating the user score display on the page using 'user score span.innerHTML = user score', and planning for updating the computer score as well. The user score display is updated on the page using 'user score span.innerHTML = user score', with plans to also update the computer score in a similar manner.", "The need to display messages such as 'paper beats rock' based on user and computer choices, leading to the introduction of parameters and function calls to handle these messages. There is a need to display messages like 'paper beats rock' based on user and computer choices, prompting the introduction of parameters and function calls to handle these messages.", "The introduction of ES6 template strings to improve string interpolation, replacing the use of 'plus' signs and quotes with backticks for a cleaner and more efficient syntax. ES6 template strings are introduced to improve string interpolation, replacing 'plus' signs and quotes with backticks for a cleaner and more efficient syntax."]}], 'duration': 953.025, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv02878362.jpg', 'highlights': ['Switch statements can make handling win, lose, and draw scenarios in game logic a lot easier than if statements, improving the efficiency of the code.', "The importance of including 'break' in switch cases is emphasized to prevent the code from falling through to subsequent cases, ensuring accurate execution of game logic.", 'Refactoring game functions into separate functions for winning, losing, and drawing, emphasizing the importance of creating separate functions for readability, debugging, and collaboration.', "Incrementing the user's score upon winning by using the 'user score += 1' operation, highlighting the practical implementation of scoring in the game.", "The user score increases by one each time the user wins, prompting the use of 'let' instead of 'const' for the user score.", "The implementation of updating the user score display on the page using 'user score span.innerHTML = user score', and planning for updating the computer score as well.", "The need to display messages such as 'paper beats rock' based on user and computer choices, leading to the introduction of parameters and function calls to handle these messages.", "The introduction of ES6 template strings to improve string interpolation, replacing the use of 'plus' signs and quotes with backticks for a cleaner and more efficient syntax."]}, {'end': 4331.251, 'segs': [{'end': 3860.736, 'src': 'embed', 'start': 3831.407, 'weight': 0, 'content': [{'end': 3834.629, 'text': 'And Alright, paper covers rock, you win.', 'start': 3831.407, 'duration': 3.222}, {'end': 3835.949, 'text': "Let's keep going.", 'start': 3835.369, 'duration': 0.58}, {'end': 3844.751, 'text': "Rock, beat scissors, right? Now, it's not going to say convert to word user choice, you see, right? So this is a lot more readable.", 'start': 3836.149, 'duration': 8.602}, {'end': 3851.653, 'text': 'Okay So now that we have the basic functionality of the wind function working.', 'start': 3844.911, 'duration': 6.742}, {'end': 3860.736, 'text': 'Now that we have that we can move on and just copy this, okay, copy this and just paste it right here.', 'start': 3853.134, 'duration': 7.602}], 'summary': 'Demonstrating functionality of the win function, copying and pasting.', 'duration': 29.329, 'max_score': 3831.407, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv03831407.jpg'}, {'end': 4063.066, 'src': 'embed', 'start': 4031.588, 'weight': 1, 'content': [{'end': 4036.412, 'text': 'So what I want to do is I want to superscript that or subscript, I think subscript would work better.', 'start': 4031.588, 'duration': 4.824}, {'end': 4043.618, 'text': "So subscript, superscript would do this, let's do dots, sup, dot sup.", 'start': 4036.472, 'duration': 7.146}, {'end': 4050.643, 'text': "Okay And these methods exist on the string object in JavaScript, it's built into JavaScript.", 'start': 4043.638, 'duration': 7.005}, {'end': 4058.259, 'text': "So and if you put su B, it's gonna move that down, or B, refresh.", 'start': 4051.063, 'duration': 7.196}, {'end': 4059.2, 'text': 'There it is.', 'start': 4058.84, 'duration': 0.36}, {'end': 4063.066, 'text': 'Okay So this looks a lot nicer than just that.', 'start': 4059.24, 'duration': 3.826}], 'summary': 'Using javascript to apply subscript and superscript to text for improved appearance.', 'duration': 31.478, 'max_score': 4031.588, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv04031588.jpg'}, {'end': 4331.251, 'src': 'embed', 'start': 4276.665, 'weight': 2, 'content': [{'end': 4285.435, 'text': 'So choice user, computer choice, refresh, and look at that.', 'start': 4276.665, 'duration': 8.77}, {'end': 4292.939, 'text': "So now when we win, it's gonna say win, see, and when we lose, it's gonna say, lost, right.", 'start': 4285.655, 'duration': 7.284}, {'end': 4297.401, 'text': "And when we do draw, it's a rock equals rock, and it's a draw.", 'start': 4293.219, 'duration': 4.182}, {'end': 4304.626, 'text': "Okay Alright, so That's pretty much it in terms of the main logic of our app.", 'start': 4297.421, 'duration': 7.205}, {'end': 4308.45, 'text': "All right, now let's add some finishing touches and do the little things.", 'start': 4304.646, 'duration': 3.804}, {'end': 4309.971, 'text': 'Okay, you know what they say.', 'start': 4308.53, 'duration': 1.441}, {'end': 4313.054, 'text': 'they say the difference between the good and the great.', 'start': 4309.971, 'duration': 3.083}, {'end': 4314.875, 'text': 'is that little extra?', 'start': 4313.054, 'duration': 1.821}, {'end': 4316.477, 'text': 'okay, that little extra.', 'start': 4314.875, 'duration': 1.602}, {'end': 4322.743, 'text': "I don't know who said it, but the first time I heard it, I mean, and that's why I still suck", 'start': 4316.477, 'duration': 6.266}, {'end': 4325.366, 'text': "Okay, let's keep going.", 'start': 4324.505, 'duration': 0.861}, {'end': 4331.251, 'text': "So if you notice on the working app, refresh, I don't know why that piece there, but doesn't matter.", 'start': 4325.386, 'duration': 5.865}], 'summary': 'Creating a rock-paper-scissors app with win/lose/draw outcomes and adding finishing touches.', 'duration': 54.586, 'max_score': 4276.665, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv04276665.jpg'}], 'start': 3831.407, 'title': 'Implementing game logic and javascript string methods', 'summary': "Covers the implementation of the rock-paper-scissors game, including displaying user and computer's choices, simplifying the interface, and utilizing javascript string methods like font size, superscript, and subscript for game logic, incorporating user and computer scores.", 'chapters': [{'end': 3935.989, 'start': 3831.407, 'title': 'Implementing rock-paper-scissors game', 'summary': "Explains the implementation of the rock-paper-scissors game, including adding functionality to display user and computer's choices, and simplifying the interface.", 'duration': 104.582, 'highlights': ["The chapter explains the implementation of the rock-paper-scissors game, including adding functionality to display user and computer's choices, and simplifying the interface.", "The code is made more readable by adding functionality to display user and computer's choices, making it easier to understand the game flow.", 'The chapter also focuses on simplifying the interface by avoiding unnecessary complexities and maintaining a clean and simple design.']}, {'end': 4331.251, 'start': 3936.029, 'title': 'Javascript string methods', 'summary': 'Discusses using javascript string methods such as font size, superscript, and subscript to manipulate text and create a game logic for a rock-paper-scissors app, involving user and computer scores.', 'duration': 395.222, 'highlights': ['The chapter demonstrates using JavaScript string methods like font size, superscript, and subscript to manipulate text. The instructor explains how to use string methods like font size, superscript, and subscript in JavaScript to control the appearance of the text.', 'The chapter explains implementing game logic for a rock-paper-scissors app, involving user and computer scores. The instructor walks through the process of creating game logic for a rock-paper-scissors app, where the user and computer scores are manipulated based on wins, losses, and draws.', 'The instructor emphasizes the importance of adding finishing touches to the app for a polished user experience. The instructor highlights the significance of paying attention to details and adding finishing touches to enhance the user experience of the app.']}], 'duration': 499.844, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv03831407.jpg', 'highlights': ["The chapter explains implementing the rock-paper-scissors game, including displaying user and computer's choices and simplifying the interface.", 'The chapter demonstrates using JavaScript string methods like font size, superscript, and subscript to manipulate text.', 'The instructor emphasizes the importance of adding finishing touches to the app for a polished user experience.', "The code is made more readable by adding functionality to display user and computer's choices, making it easier to understand the game flow.", 'The chapter explains implementing game logic for a rock-paper-scissors app, involving user and computer scores.']}, {'end': 4695.034, 'segs': [{'end': 4418.757, 'src': 'embed', 'start': 4389.52, 'weight': 0, 'content': [{'end': 4395.11, 'text': 'Okay, so how we do that is First, we have to make some styles.', 'start': 4389.52, 'duration': 5.59}, {'end': 4399.352, 'text': 'I mean, some classes right in our style, styles dot CSS.', 'start': 4395.591, 'duration': 3.761}, {'end': 4402.352, 'text': 'And this is JavaScript video.', 'start': 4400.612, 'duration': 1.74}, {'end': 4410.355, 'text': 'But I left this off for JavaScript, because I felt like this had more to do with JavaScript than CSS.', 'start': 4402.532, 'duration': 7.823}, {'end': 4412.795, 'text': 'Okay, so here we can do green glow.', 'start': 4410.435, 'duration': 2.36}, {'end': 4417.637, 'text': 'Okay So when the user wins, we want some green border to appear.', 'start': 4412.815, 'duration': 4.822}, {'end': 4418.757, 'text': "So I'll do border.", 'start': 4417.677, 'duration': 1.08}], 'summary': 'Creating green glow effect using javascript for user win in css', 'duration': 29.237, 'max_score': 4389.52, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv04389520.jpg'}, {'end': 4628.537, 'src': 'embed', 'start': 4605.025, 'weight': 1, 'content': [{'end': 4612.21, 'text': 'And with JavaScript, when you do that, what you what it gives you is an array of all the classes on that specific element, okay.', 'start': 4605.025, 'duration': 7.185}, {'end': 4618.294, 'text': 'And now what we do is on that array, we just do dot add, and then add our class.', 'start': 4612.53, 'duration': 5.764}, {'end': 4622.475, 'text': 'So then we can just say dot green glow here.', 'start': 4618.934, 'duration': 3.541}, {'end': 4623.835, 'text': "Okay, and that's it.", 'start': 4622.495, 'duration': 1.34}, {'end': 4626.836, 'text': "So now let's see what happens when we click something.", 'start': 4624.295, 'duration': 2.541}, {'end': 4628.537, 'text': "And if we win, let's see what happens.", 'start': 4627.036, 'duration': 1.501}], 'summary': 'Using javascript to add a class to an element and observe its effects.', 'duration': 23.512, 'max_score': 4605.025, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv04605025.jpg'}, {'end': 4675.199, 'src': 'embed', 'start': 4649.346, 'weight': 3, 'content': [{'end': 4653.929, 'text': 'Okay, so the glow is working, the box shadow is working, but the border is not working.', 'start': 4649.346, 'duration': 4.583}, {'end': 4655.63, 'text': "Okay, so it's still white.", 'start': 4653.949, 'duration': 1.681}, {'end': 4658.971, 'text': "And I think there's some CSS conflicts.", 'start': 4656.59, 'duration': 2.381}, {'end': 4662.033, 'text': "So I'm not gonna look through everything and try to fix it.", 'start': 4659.011, 'duration': 3.022}, {'end': 4665.834, 'text': 'What I will do is I will just put that important flag.', 'start': 4662.353, 'duration': 3.481}, {'end': 4669.276, 'text': 'Okay, maybe we can just move all this down at the very bottom.', 'start': 4665.894, 'duration': 3.382}, {'end': 4670.036, 'text': 'And that should fix it.', 'start': 4669.316, 'duration': 0.72}, {'end': 4671.197, 'text': "Let's try that first.", 'start': 4670.076, 'duration': 1.121}, {'end': 4675.199, 'text': 'Because putting the important flag is never a good idea.', 'start': 4671.217, 'duration': 3.982}], 'summary': 'Fixing css conflicts by moving code to the bottom to resolve the issue.', 'duration': 25.853, 'max_score': 4649.346, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv04649346.jpg'}], 'start': 4331.571, 'title': 'Adding animated borders with javascript', 'summary': "Demonstrates how to add animated borders using javascript when the user wins, loses or draws in the app, with specific styles and colors defined for each outcome. it also explains how to manipulate the dom using javascript classes, adding a green glow class to the user's choice and addressing css conflicts, achieving the desired border effect and glow for different user choices.", 'chapters': [{'end': 4496.961, 'start': 4331.571, 'title': 'Adding animated borders with javascript', 'summary': 'Demonstrates how to add animated borders using javascript when the user wins, loses or draws in the app, with specific styles and colors defined for each outcome.', 'duration': 165.39, 'highlights': ['The chapter explains how to add classes with specific styles to div elements in the win, lose, and draw functions in JavaScript.', 'It details the creation of classes for green glow, red glow, and gray glow, with specific border and box shadow styles for each.', 'The transcript explains the process of adding animated borders using JavaScript when the user wins, loses, or draws, with detailed instructions for defining the styles and colors for each outcome.']}, {'end': 4695.034, 'start': 4497.361, 'title': 'Javascript class and dom manipulation', 'summary': "Explains how to manipulate the dom using javascript classes, adding a green glow class to the user's choice and addressing css conflicts, achieving the desired border effect and glow for different user choices.", 'duration': 197.673, 'highlights': ["Explain the process of adding a green glow class to the user's choice in JavaScript. The user's choice is determined by the element clicked, and the corresponding class, 'green glow,' is added to that element, achieving the desired effect for different user choices.", "Address CSS conflicts to achieve the desired border effect and glow for different user choices. The speaker addresses CSS conflicts by suggesting moving the relevant code to the bottom of the document rather than using the 'important' flag, successfully achieving the desired border effect and glow for different user choices.", "Explain the process of manipulating the DOM using JavaScript classes. The speaker discusses the process of manipulating the DOM using JavaScript classes, specifically focusing on the process of adding classes to the user's choice elements to achieve the desired visual effects."]}], 'duration': 363.463, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv04331571.jpg', 'highlights': ['The chapter explains how to add classes with specific styles to div elements in the win, lose, and draw functions in JavaScript.', "Explain the process of adding a green glow class to the user's choice in JavaScript. The user's choice is determined by the element clicked, and the corresponding class, 'green glow,' is added to that element, achieving the desired effect for different user choices.", 'The transcript explains the process of adding animated borders using JavaScript when the user wins, loses, or draws, with detailed instructions for defining the styles and colors for each outcome.', "Address CSS conflicts to achieve the desired border effect and glow for different user choices. The speaker addresses CSS conflicts by suggesting moving the relevant code to the bottom of the document rather than using the 'important' flag, successfully achieving the desired border effect and glow for different user choices.", 'It details the creation of classes for green glow, red glow, and gray glow, with specific border and box shadow styles for each.', "Explain the process of manipulating the DOM using JavaScript classes. The speaker discusses the process of manipulating the DOM using JavaScript classes, specifically focusing on the process of adding classes to the user's choice elements to achieve the desired visual effects."]}, {'end': 5236.034, 'segs': [{'end': 4722.367, 'src': 'embed', 'start': 4695.114, 'weight': 8, 'content': [{'end': 4699.958, 'text': 'If we win, clicking on any of those buttons, it will add a border of green.', 'start': 4695.114, 'duration': 4.844}, {'end': 4702.725, 'text': "However, it's still green right?", 'start': 4700.078, 'duration': 2.647}, {'end': 4705.008, 'text': "It's not supposed to be green if you go here right?", 'start': 4702.926, 'duration': 2.082}, {'end': 4708.232, 'text': 'If we win, it just goes back to white right?', 'start': 4705.529, 'duration': 2.703}, {'end': 4710.054, 'text': "It's, it has that little animation.", 'start': 4708.332, 'duration': 1.722}, {'end': 4719.385, 'text': 'So how do we do that? Right? So we do that by using something called a set timeout function in JavaScript.', 'start': 4710.635, 'duration': 8.75}, {'end': 4722.367, 'text': 'Okay, and we can do this thing with CSS.', 'start': 4719.605, 'duration': 2.762}], 'summary': 'Using javascript settimeout function to add green border with css animation.', 'duration': 27.253, 'max_score': 4695.114, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv04695114.jpg'}, {'end': 4775.284, 'src': 'embed', 'start': 4747.248, 'weight': 9, 'content': [{'end': 4750.529, 'text': "And set timeout takes two arguments, okay, it's going to take in a function.", 'start': 4747.248, 'duration': 3.281}, {'end': 4751.59, 'text': "And let's do function.", 'start': 4750.789, 'duration': 0.801}, {'end': 4756.788, 'text': "And let's just say console dot log Hello.", 'start': 4751.83, 'duration': 4.958}, {'end': 4767.417, 'text': 'Okay And the second argument it takes is the time in milliseconds of how long you should wait before you perform that first argument first function.', 'start': 4756.808, 'duration': 10.609}, {'end': 4775.284, 'text': 'Okay, so if I do 3000 milliseconds here, which is three seconds, it will wait.', 'start': 4767.437, 'duration': 7.847}], 'summary': 'The set timeout function takes a function as the first argument and a time in milliseconds as the second argument to delay the execution.', 'duration': 28.036, 'max_score': 4747.248, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv04747248.jpg'}, {'end': 4860.573, 'src': 'embed', 'start': 4824.21, 'weight': 6, 'content': [{'end': 4833.554, 'text': 'But now right after that, what we need to say is, hey, wait for three seconds, or one second, or however many seconds, and then remove that class.', 'start': 4824.21, 'duration': 9.344}, {'end': 4834.695, 'text': "Okay, so let's do that.", 'start': 4833.874, 'duration': 0.821}, {'end': 4848.429, 'text': 'So that we can just do document dot get element by ID of user choice again, and then dot class list dot remove green glow.', 'start': 4835.496, 'duration': 12.933}, {'end': 4860.573, 'text': "Okay, and now you can see it happening if I go to let's refresh and let's go to here inspect.", 'start': 4849.926, 'duration': 10.647}], 'summary': 'Using javascript to remove a class after a specified time period', 'duration': 36.363, 'max_score': 4824.21, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv04824210.jpg'}, {'end': 5053.658, 'src': 'embed', 'start': 4940.24, 'weight': 3, 'content': [{'end': 4946.884, 'text': "And also you can you can probably you know, put this in a variable because we're using it twice here, right? Let's be efficient.", 'start': 4940.24, 'duration': 6.644}, {'end': 4947.504, 'text': "Let's just do it.", 'start': 4946.924, 'duration': 0.58}, {'end': 4948.865, 'text': "Okay, let's just do it.", 'start': 4947.524, 'duration': 1.341}, {'end': 4951.267, 'text': "So we'll just go up top here.", 'start': 4949.245, 'duration': 2.022}, {'end': 4958.391, 'text': 'And since these are variables, we should probably move this top.', 'start': 4952.287, 'duration': 6.104}, {'end': 4959.972, 'text': 'here Okay.', 'start': 4958.971, 'duration': 1.001}, {'end': 4963.514, 'text': "And let's just do const.", 'start': 4960.932, 'duration': 2.582}, {'end': 4965.194, 'text': "We'll just call it user choice div.", 'start': 4963.574, 'duration': 1.62}, {'end': 4973.299, 'text': "Let's go here and we'll call it document dot get element by ID, user choice.", 'start': 4965.314, 'duration': 7.985}, {'end': 4982.844, 'text': 'Okay, and now we can replace this whole thing with user choice div.', 'start': 4973.319, 'duration': 9.525}, {'end': 4988.367, 'text': "Okay And let's do the same thing with this guy here.", 'start': 4983.224, 'duration': 5.143}, {'end': 4993.142, 'text': 'User choice div.', 'start': 4991.34, 'duration': 1.802}, {'end': 4994.644, 'text': 'Okay That looks good.', 'start': 4993.162, 'duration': 1.482}, {'end': 4998.548, 'text': 'And now we can just copy this two more times.', 'start': 4994.904, 'duration': 3.644}, {'end': 4999.97, 'text': "Let's go here.", 'start': 4999.329, 'duration': 0.641}, {'end': 5003.383, 'text': 'copy that.', 'start': 5002.662, 'duration': 0.721}, {'end': 5009.467, 'text': 'And here instead of green glow, what we want is red glow, right? Because we lost.', 'start': 5003.583, 'duration': 5.884}, {'end': 5011.768, 'text': "And let's go here as well.", 'start': 5009.527, 'duration': 2.241}, {'end': 5012.449, 'text': 'Red glow.', 'start': 5011.828, 'duration': 0.621}, {'end': 5014.71, 'text': "And let's go down.", 'start': 5012.469, 'duration': 2.241}, {'end': 5018.933, 'text': 'And for that, we can just do paste.', 'start': 5015.391, 'duration': 3.542}, {'end': 5021.134, 'text': "Whoa, let's get that.", 'start': 5019.233, 'duration': 1.901}, {'end': 5025.878, 'text': "Okay And here, let's just do gray glow.", 'start': 5021.154, 'duration': 4.724}, {'end': 5032.062, 'text': "Let's go up top, gray glow, we'll have to get that variable as well.", 'start': 5026.558, 'duration': 5.504}, {'end': 5034.524, 'text': 'So copy.', 'start': 5032.122, 'duration': 2.402}, {'end': 5037.986, 'text': "Let's just get to the top paste.", 'start': 5034.544, 'duration': 3.442}, {'end': 5044.451, 'text': "Paste And let's move this to the top as well.", 'start': 5039.728, 'duration': 4.723}, {'end': 5047.734, 'text': 'Alright, so that looks good.', 'start': 5045.232, 'duration': 2.502}, {'end': 5049.535, 'text': "Let's refresh here.", 'start': 5048.434, 'duration': 1.101}, {'end': 5053.658, 'text': "Let's see one, gray, Lost.", 'start': 5049.595, 'duration': 4.063}], 'summary': 'Optimizing code by using variables and efficient repetition for better performance.', 'duration': 113.418, 'max_score': 4940.24, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv04940240.jpg'}, {'end': 5113.575, 'src': 'embed', 'start': 5084.914, 'weight': 0, 'content': [{'end': 5087.055, 'text': "And let's yes, sixify it.", 'start': 5084.914, 'duration': 2.141}, {'end': 5093.92, 'text': "Okay, so let's instead of doing it the ES five version here, instead, in this inner function in ES six,", 'start': 5087.175, 'duration': 6.745}, {'end': 5096.962, 'text': 'what you do is get rid of this function name and then add an arrow.', 'start': 5093.92, 'duration': 3.042}, {'end': 5104.427, 'text': "Okay. and then, if it's just a one liner here, this users choice div class list is just one line right?", 'start': 5097.722, 'duration': 6.705}, {'end': 5108.01, 'text': 'So for that we can just get rid of this curly brace.', 'start': 5104.487, 'duration': 3.523}, {'end': 5110.572, 'text': "Okay, and now let's get rid of it.", 'start': 5108.451, 'duration': 2.121}, {'end': 5113.575, 'text': 'And this should still be working.', 'start': 5111.973, 'duration': 1.602}], 'summary': 'Converting es5 to es6 with arrow functions, removing function names and curly braces.', 'duration': 28.661, 'max_score': 5084.914, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv05084914.jpg'}], 'start': 4695.114, 'title': 'Javascript best practices', 'summary': 'Covers topics including the use of set timeout function in javascript, optimizing variable usage and element selection, and refactoring es5 to es6, resulting in improved code readability, maintainability, and efficiency.', 'chapters': [{'end': 4939.92, 'start': 4695.114, 'title': 'Javascript set timeout function', 'summary': 'Discusses the use of set timeout function in javascript to add and remove css classes after a certain time, demonstrating the functionality with a 3-second delay and subsequent removal of a green glow class on a user choice element, creating a more natural user experience.', 'duration': 244.806, 'highlights': ['The set timeout function in JavaScript is demonstrated by adding a 3-second delay and subsequent removal of a green glow class on a user choice element, enhancing user experience.', 'The function takes two arguments - a function to be executed and the time in milliseconds to wait before performing the function, illustrated with examples of delays and corresponding actions.', 'The process involves adding a class called green glow to an element when clicked, followed by a set timeout to remove the class after a specified duration, exemplifying the use of JavaScript for creating dynamic user interactions.', 'Adjusting the duration of the set timeout function to 300 milliseconds is suggested to provide a more natural and responsive user experience, as demonstrated through the quicker removal of the green glow class on user interaction.']}, {'end': 5084.814, 'start': 4940.24, 'title': 'Optimizing variable usage and element selection', 'summary': 'Illustrates the process of optimizing code by reusing variables and efficiently selecting elements, resulting in improved code readability and maintainability.', 'duration': 144.574, 'highlights': ['Efficient use of variables by reusing the same variable for repeated operations, enhancing code efficiency and readability.', 'Optimizing element selection by assigning the document.getElementById result to a variable, reducing redundant code and improving maintainability.', 'Utilizing consistent naming conventions and variable assignment for different color glows to streamline code and enhance readability.']}, {'end': 5236.034, 'start': 5084.914, 'title': 'Refactoring es5 to es6', 'summary': 'Discusses refactoring es5 code to es6, replacing function declarations with arrow functions and simplifying single-line functions, resulting in improved readability and efficiency.', 'duration': 151.12, 'highlights': ['The chapter demonstrates refactoring ES5 code to ES6, using arrow functions and simplifying single-line functions for improved efficiency and readability.', 'Replacing function declarations with arrow functions and simplifying single-line functions results in improved code efficiency and readability.', 'The speaker simplifies the ES5 code to ES6 by replacing function declarations with arrow functions and simplifying single-line functions, resulting in improved code efficiency and readability.']}], 'duration': 540.92, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/jaVNP3nIAv0/pics/jaVNP3nIAv04695114.jpg', 'highlights': ['The chapter demonstrates refactoring ES5 code to ES6, using arrow functions and simplifying single-line functions for improved efficiency and readability.', 'The speaker simplifies the ES5 code to ES6 by replacing function declarations with arrow functions and simplifying single-line functions, resulting in improved code efficiency and readability.', 'Replacing function declarations with arrow functions and simplifying single-line functions results in improved code efficiency and readability.', 'Efficient use of variables by reusing the same variable for repeated operations, enhancing code efficiency and readability.', 'Optimizing element selection by assigning the document.getElementById result to a variable, reducing redundant code and improving maintainability.', 'Utilizing consistent naming conventions and variable assignment for different color glows to streamline code and enhance readability.', 'The set timeout function in JavaScript is demonstrated by adding a 3-second delay and subsequent removal of a green glow class on a user choice element, enhancing user experience.', 'Adjusting the duration of the set timeout function to 300 milliseconds is suggested to provide a more natural and responsive user experience, as demonstrated through the quicker removal of the green glow class on user interaction.', 'The process involves adding a class called green glow to an element when clicked, followed by a set timeout to remove the class after a specified duration, exemplifying the use of JavaScript for creating dynamic user interactions.', 'The function takes two arguments - a function to be executed and the time in milliseconds to wait before performing the function, illustrated with examples of delays and corresponding actions.']}], 'highlights': ['The JavaScript functionality of the Rock Paper Scissors game is demonstrated, showing the user interface response to different game outcomes and the scoring system, including a 300-millisecond green border for wins, a gray color for draws, and a red border for losses.', 'The chapter demonstrates using JavaScript string methods like font size, superscript, and subscript to manipulate text.', 'The chapter emphasizes the process of styling a web page using CSS, including setting background colors, text alignment, font families, and margins, to create a visually appealing layout and design.', "The chapter explains implementing the rock-paper-scissors game, including displaying user and computer's choices and simplifying the interface.", 'The chapter explains how to add classes with specific styles to div elements in the win, lose, and draw functions in JavaScript.', 'The chapter demonstrates refactoring ES5 code to ES6, using arrow functions and simplifying single-line functions for improved efficiency and readability.', 'The importance of storing DOM references in variables for improved performance and convenience is emphasized, as it allows for efficient manipulation of the DOM and minimizes the need for repetitive document queries. Improved performance, minimized repetitive document queries', 'Switch statements can make handling win, lose, and draw scenarios in game logic a lot easier than if statements, improving the efficiency of the code.', "The need to display messages such as 'paper beats rock' based on user and computer choices, leading to the introduction of parameters and function calls to handle these messages.", 'The chapter emphasizes the importance of adding finishing touches to the app for a polished user experience.']}