title
jQuery Crash Course [1] - Intro & Selectors

description
In this video we will cover jQuery selectors in depth. We can select elements by id, class, CSS3 pseudo selectors and the elements themselves. My 10 Project jQuery/JS Course - https://www.eduonix.com/affiliates/id/16-10039 Project Files - https://github.com/bradtraversy/jquery_crash_course

detail
{'title': 'jQuery Crash Course [1] - Intro & Selectors', 'heatmap': [{'end': 1110.851, 'start': 1064.537, 'weight': 0.915}], 'summary': 'Covers jquery fundamentals, basics, and css styling, including selectors, event handling, dom manipulation, methods, effects, ajax, and element manipulation using jquery and css, with specific examples and code snippets.', 'chapters': [{'end': 239.683, 'segs': [{'end': 71.786, 'src': 'embed', 'start': 1.01, 'weight': 0, 'content': [{'end': 3.732, 'text': 'Hey guys, welcome to a crash course on jQuery.', 'start': 1.01, 'duration': 2.722}, {'end': 9.375, 'text': "In this course we're going to be covering all the fundamentals of the jQuery JavaScript library.", 'start': 4.292, 'duration': 5.083}, {'end': 15.099, 'text': 'Now before we get started I just want to go over a few things before we jump into some code.', 'start': 10.036, 'duration': 5.063}, {'end': 18.482, 'text': 'So first of all I want to talk about what jQuery actually is.', 'start': 15.7, 'duration': 2.782}, {'end': 23.375, 'text': "It's a small, fast, and feature-rich JavaScript library.", 'start': 19.531, 'duration': 3.844}, {'end': 30.103, 'text': 'And it makes things a lot easier, such as DOM manipulation, event handling, AJAX, and much more.', 'start': 24.096, 'duration': 6.007}, {'end': 37.411, 'text': 'And it allows us to create extensive functionality with much less code than if we were to just use regular JavaScript.', 'start': 30.683, 'duration': 6.728}, {'end': 45.763, 'text': 'Alright, so what you should know before attempting this course is HTML, CSS, and JavaScript.', 'start': 38.553, 'duration': 7.21}, {'end': 55.196, 'text': "You need to know HTML because we're grabbing HTML elements and we're using jQuery to manipulate them to do different things with them.", 'start': 46.284, 'duration': 8.912}, {'end': 61.64, 'text': 'You need to know CSS because all of the jQuery selectors are the same as CSS selectors.', 'start': 55.697, 'duration': 5.943}, {'end': 64.262, 'text': 'And then, of course, JavaScript.', 'start': 62.781, 'duration': 1.481}, {'end': 71.786, 'text': 'you need to know at least the basics, just to know, for instance, how to create a variable and what a variable is an array, things like that.', 'start': 64.262, 'duration': 7.524}], 'summary': 'Crash course on jquery covering fundamentals, dom manipulation, event handling, and ajax. prerequisites: html, css, and javascript.', 'duration': 70.776, 'max_score': 1.01, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k1010.jpg'}, {'end': 196.107, 'src': 'embed', 'start': 168.162, 'weight': 3, 'content': [{'end': 171.144, 'text': "So without further ado, let's get started on selectors.", 'start': 168.162, 'duration': 2.982}, {'end': 176.915, 'text': "alright, so let's get started on the basics and jQuery selectors.", 'start': 172.372, 'duration': 4.543}, {'end': 183.539, 'text': "now, in my browser, I have jQuery.com open and there's a couple ways you can use jQuery.", 'start': 176.915, 'duration': 6.624}, {'end': 190.013, 'text': 'you can go ahead and download it from here, and the latest version at this time is 3.1..', 'start': 183.539, 'duration': 6.474}, {'end': 196.107, 'text': '0. you can also download version 2, which has a slightly different API,', 'start': 190.013, 'duration': 6.094}], 'summary': 'Introduction to jquery selectors, options for version 3.1.0 or version 2.', 'duration': 27.945, 'max_score': 168.162, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k168162.jpg'}, {'end': 243.486, 'src': 'embed', 'start': 220.008, 'weight': 4, 'content': [{'end': 226.574, 'text': "We're gonna use the CDN, which is just an external link, and Now, if you're building a production project,", 'start': 220.008, 'duration': 6.566}, {'end': 233.319, 'text': 'then you probably want to include it within your application, just so you can use it without an internet connection and so on.', 'start': 226.574, 'duration': 6.745}, {'end': 235.58, 'text': "But just for simplicity, we're going to use the CDN.", 'start': 233.359, 'duration': 2.221}, {'end': 239.683, 'text': "All right, so I don't know where is that available.", 'start': 235.6, 'duration': 4.083}, {'end': 243.486, 'text': 'Okay, so this is actually the link right here that we need.', 'start': 239.703, 'duration': 3.783}], 'summary': 'Using cdn for simplicity, need for offline access in production project.', 'duration': 23.478, 'max_score': 220.008, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k220008.jpg'}], 'start': 1.01, 'title': 'Jquery fundamentals and basics', 'summary': 'Covers all the fundamentals of the jquery javascript library, including its features, prerequisites, selectors, event handling, dom manipulation, methods, effects, and ajax. it also discusses jquery basics, including selectors, usage, versions, and the recommendation to use cdns for simplicity.', 'chapters': [{'end': 168.082, 'start': 1.01, 'title': 'Jquery fundamentals crash course', 'summary': 'Covers all the fundamentals of the jquery javascript library, including its features, the prerequisites for the course (html, css, and javascript knowledge), and a breakdown of the different parts of the course, such as jquery selectors, event handling, dom manipulation, helpful methods, effects, and ajax methods.', 'duration': 167.072, 'highlights': ['jQuery is a small, fast, and feature-rich JavaScript library that makes DOM manipulation, event handling, AJAX, and extensive functionality with much less code possible. This highlights the key features and benefits of using jQuery, emphasizing its efficiency and capability for simplifying various tasks.', 'Prerequisites for the course include knowledge of HTML, CSS, and at least the basics of JavaScript, as jQuery involves manipulating HTML elements using CSS selectors. This provides essential information about the prerequisites for the course and the reasons behind needing prior knowledge in HTML, CSS, and JavaScript.', 'The course will cover jQuery selectors, event handling, DOM manipulation, helpful methods, effects like fade in, fade out, slide up, slide down, and the animate function, as well as AJAX methods like load, get, post, and the AJAX function itself. This highlights the different parts of the course, providing a comprehensive overview of what will be covered, including specific topics and methods.']}, {'end': 239.683, 'start': 168.162, 'title': 'Jquery basics: selectors and usage', 'summary': 'Covers the basics of jquery selectors and usage, including the availability of different jquery versions, with version 3.1.0 being the latest, and the recommendation to use cdns for simplicity.', 'duration': 71.521, 'highlights': ['The latest version of jQuery at the time is 3.1.0, with version 2 having a slightly different API, and version 1 being recommended only for compatibility on older browsers like IE6, IE7, and 8.', 'The recommendation is to include jQuery within the application for production projects, but for simplicity, the chapter uses the CDN for demonstration purposes.', 'The chapter starts with an introduction to the availability of different ways to use jQuery, including downloading it from the official website or using a Content Delivery Network (CDN) for simplicity.']}], 'duration': 238.673, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k1010.jpg', 'highlights': ['jQuery is a small, fast, and feature-rich JavaScript library that simplifies DOM manipulation, event handling, AJAX, and extensive functionality.', 'The course covers jQuery selectors, event handling, DOM manipulation, methods, effects, and AJAX, providing a comprehensive overview of the topics.', 'Prerequisites for the course include knowledge of HTML, CSS, and basics of JavaScript, as jQuery involves manipulating HTML elements using CSS selectors.', 'The latest version of jQuery is 3.1.0, with version 2 having a slightly different API, and version 1 being recommended for compatibility on older browsers.', 'The recommendation is to include jQuery within the application for production projects, but for simplicity, the chapter uses the CDN for demonstration purposes.', 'The chapter starts with an introduction to the availability of different ways to use jQuery, including downloading it from the official website or using a Content Delivery Network (CDN) for simplicity.']}, {'end': 613.852, 'segs': [{'end': 363.012, 'src': 'embed', 'start': 239.703, 'weight': 1, 'content': [{'end': 243.486, 'text': 'Okay, so this is actually the link right here that we need.', 'start': 239.703, 'duration': 3.783}, {'end': 250.438, 'text': "Alright, now I have this empty folder jQuery crash course, and when I'm done with the course,", 'start': 244.335, 'duration': 6.103}, {'end': 254.419, 'text': "I will upload it to GitHub and I'll include a link to that in the description.", 'start': 250.438, 'duration': 3.981}, {'end': 264.584, 'text': 'But basically what we want to do is just create our first folder, which is going to be called Selectors,', 'start': 254.88, 'duration': 9.704}, {'end': 267.425, 'text': "and inside there we're going to have our index.html.", 'start': 264.584, 'duration': 2.841}, {'end': 274.326, 'text': "We'll go ahead and open that up.", 'start': 273.045, 'duration': 1.281}, {'end': 278.79, 'text': "I'm using Sublime Text as my editor, but of course you can use whatever you'd like.", 'start': 274.346, 'duration': 4.444}, {'end': 283.374, 'text': "We're going to put some standard HTML tags in here.", 'start': 280.471, 'duration': 2.903}, {'end': 290.659, 'text': "For the title, we'll say jQuery Crash Course.", 'start': 284.334, 'duration': 6.325}, {'end': 293.902, 'text': 'This is Selectors.', 'start': 290.739, 'duration': 3.163}, {'end': 296.644, 'text': "We're going to build a really simple UI.", 'start': 293.942, 'duration': 2.702}, {'end': 302.168, 'text': "We're going to have a header and then just an area to do all of our output all right.", 'start': 296.724, 'duration': 5.444}, {'end': 305.91, 'text': "so let's go ahead and include jQuery.", 'start': 302.168, 'duration': 3.742}, {'end': 315.656, 'text': "so we're going to put a script tag here with a source and we're going to not that we want to grab that and paste it in.", 'start': 305.91, 'duration': 9.746}, {'end': 322.528, 'text': "okay, that's the CDN, And that's all we have to do to be able to use jQuery.", 'start': 315.656, 'duration': 6.872}, {'end': 323.308, 'text': 'All right.', 'start': 323.028, 'duration': 0.28}, {'end': 329.794, 'text': "Now what we're going to do is go into the body, and we're just going to build out the UI real quick.", 'start': 324.79, 'duration': 5.004}, {'end': 330.775, 'text': "We'll have a header.", 'start': 330.015, 'duration': 0.76}, {'end': 335.72, 'text': "I mean, this isn't needed, but I think it just makes things look a little cleaner.", 'start': 330.795, 'duration': 4.925}, {'end': 338.442, 'text': "So in the header, we'll just put an H1.", 'start': 336.4, 'duration': 2.042}, {'end': 341.725, 'text': "We'll say jQuery crash course.", 'start': 339.443, 'duration': 2.282}, {'end': 348.862, 'text': "And then under that, let's put a div.", 'start': 346, 'duration': 2.862}, {'end': 351.724, 'text': 'Give it an ID of container.', 'start': 349.923, 'duration': 1.801}, {'end': 355.207, 'text': 'I apologize for that banging.', 'start': 353.886, 'duration': 1.321}, {'end': 356.968, 'text': "That's my son running around upstairs.", 'start': 355.227, 'duration': 1.741}, {'end': 361.211, 'text': 'Now everything we do is going to go in this container.', 'start': 358.87, 'duration': 2.341}, {'end': 363.012, 'text': 'As far as our HTML.', 'start': 361.732, 'duration': 1.28}], 'summary': 'Creating a jquery crash course, including selectors and ui building with jquery.', 'duration': 123.309, 'max_score': 239.703, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k239703.jpg'}, {'end': 416.249, 'src': 'embed', 'start': 387.219, 'weight': 0, 'content': [{'end': 392.099, 'text': "And where is it? Alright, so we're just going to put this right in the header.", 'start': 387.219, 'duration': 4.88}, {'end': 393.56, 'text': "We'll put our style tags.", 'start': 392.139, 'duration': 1.421}, {'end': 397.781, 'text': 'If you want, you can put it in a separate CSS file.', 'start': 395.06, 'duration': 2.721}, {'end': 399.621, 'text': 'I just want to have everything in one file.', 'start': 397.801, 'duration': 1.82}, {'end': 402.222, 'text': "So let's start with the body.", 'start': 400.901, 'duration': 1.321}, {'end': 406.984, 'text': "So I'm going to set the font size to be slightly bigger than usual.", 'start': 402.242, 'duration': 4.742}, {'end': 409.586, 'text': "So I'm going to set it to 17 pixels.", 'start': 407.004, 'duration': 2.582}, {'end': 416.249, 'text': "We're going to set the font family to Arial.", 'start': 409.606, 'duration': 6.643}], 'summary': 'Creating a webpage with font size 17 pixels and font family arial.', 'duration': 29.03, 'max_score': 387.219, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k387219.jpg'}, {'end': 589.635, 'src': 'embed', 'start': 555.124, 'weight': 3, 'content': [{'end': 556.925, 'text': "Okay, we're going to work with that later.", 'start': 555.124, 'duration': 1.801}, {'end': 563.19, 'text': "And then what I'm going to do is copy that h1 and that paragraph and then just paste it in again.", 'start': 557.882, 'duration': 5.308}, {'end': 569.619, 'text': "And I'm going to change this to h2 and para2, but I'm also going to make them classes.", 'start': 563.21, 'duration': 6.409}, {'end': 576.706, 'text': "Okay, we'll change this to heading two.", 'start': 574.645, 'duration': 2.061}, {'end': 581.97, 'text': "Alright, now let's go down to our script tags here.", 'start': 576.726, 'duration': 5.244}, {'end': 589.635, 'text': "And I want to use a selector to, let's say, grab the headings.", 'start': 583.071, 'duration': 6.564}], 'summary': 'Working with html elements, copying h1 and paragraph, changing to h2 and para2, and adding classes.', 'duration': 34.511, 'max_score': 555.124, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k555124.jpg'}], 'start': 239.703, 'title': 'Jquery crash course and css styling', 'summary': 'Focuses on creating a jquery crash course, including setting up the folder structure, adding jquery to the project, and building a simple ui with standard html tags and styling. it also covers setting css styles for body, header, and container, including font size of 17 pixels, background color, line height, text color, padding, border, margin, and width for responsive design, and introduces jquery selectors for h1, h2, and paragraph elements.', 'chapters': [{'end': 386.658, 'start': 239.703, 'title': 'Creating a jquery crash course', 'summary': 'Focuses on creating a jquery crash course, including setting up the folder structure, adding jquery to the project, and building a simple ui with standard html tags and styling.', 'duration': 146.955, 'highlights': ["The chapter covers creating the folder structure for the jQuery crash course, including creating a 'Selectors' folder and an 'index.html' file.", 'It explains the process of including jQuery in the project using a script tag with a CDN source, enabling the use of jQuery for the course.', 'The chapter emphasizes building a simple UI with standard HTML tags, including a header and a container div, to organize the content of the course.', 'It briefly mentions adding minimal styling to the UI, aiming to enhance the visual presentation of the course content.']}, {'end': 613.852, 'start': 387.219, 'title': 'Css styling and jquery selectors', 'summary': 'Covers setting css styles for body, header, and container, including font size of 17 pixels, background color, line height, text color, padding, border, margin, and width for responsive design, and introduces jquery selectors for h1, h2, and paragraph elements.', 'duration': 226.633, 'highlights': ['The chapter covers setting CSS styles for body, header, and container, including font size of 17 pixels, background color, line height, text color, padding, border, margin, and width for responsive design.', 'Introduces jQuery selectors for h1, h2, and paragraph elements, and demonstrates the usage of jQuery selectors to grab headings.']}], 'duration': 374.149, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k239703.jpg', 'highlights': ['The chapter covers setting CSS styles for body, header, and container, including font size of 17 pixels, background color, line height, text color, padding, border, margin, and width for responsive design.', 'It explains the process of including jQuery in the project using a script tag with a CDN source, enabling the use of jQuery for the course.', 'The chapter emphasizes building a simple UI with standard HTML tags, including a header and a container div, to organize the content of the course.', 'Introduces jQuery selectors for h1, h2, and paragraph elements, and demonstrates the usage of jQuery selectors to grab headings.', "The chapter covers creating the folder structure for the jQuery crash course, including creating a 'Selectors' folder and an 'index.html' file.", 'It briefly mentions adding minimal styling to the UI, aiming to enhance the visual presentation of the course content.']}, {'end': 813.008, 'segs': [{'end': 661.4, 'src': 'embed', 'start': 613.892, 'weight': 0, 'content': [{'end': 615.593, 'text': "So I'm just going to start with single quotes.", 'start': 613.892, 'duration': 1.701}, {'end': 618.235, 'text': "So let's say we want all the H1s.", 'start': 616.394, 'duration': 1.841}, {'end': 621.778, 'text': 'So we can put in H1 and then we can do something with it.', 'start': 618.315, 'duration': 3.463}, {'end': 623.659, 'text': "In this case, I'm just going to call .", 'start': 621.858, 'duration': 1.801}, {'end': 625.981, 'text': 'hide, which is a jQuery method.', 'start': 623.659, 'duration': 2.322}, {'end': 631.865, 'text': "Alright, so if we go ahead and let's first of all run it without that.", 'start': 626.001, 'duration': 5.864}, {'end': 632.926, 'text': "I'll comment it out.", 'start': 632.085, 'duration': 0.841}, {'end': 637.115, 'text': "And you'll see we have our two headings and paragraphs.", 'start': 634.053, 'duration': 3.062}, {'end': 644.761, 'text': 'Now if we say h1 hide and we reload, now you can see that all the h1s are gone, even the one that was in the header.', 'start': 637.716, 'duration': 7.045}, {'end': 651.666, 'text': 'So if we want to target a certain heading, we can use, for instance, its ID.', 'start': 645.622, 'duration': 6.044}, {'end': 652.867, 'text': 'We have heading 1 here.', 'start': 651.787, 'duration': 1.08}, {'end': 661.4, 'text': "So we can say h1, and then we're going to use the number sign for an ID, and then heading 1.", 'start': 653.408, 'duration': 7.992}], 'summary': 'Using jquery to hide all h1 tags and target specific headings using id', 'duration': 47.508, 'max_score': 613.892, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k613892.jpg'}, {'end': 723.222, 'src': 'embed', 'start': 688.977, 'weight': 4, 'content': [{'end': 698.224, 'text': "So if we want to grab Heading 2, that has a class, so we'll say H2, and then classes are represented with dots.", 'start': 688.977, 'duration': 9.247}, {'end': 703.488, 'text': "So we're saying H2 Class Heading 2, and we want to hide that.", 'start': 699.365, 'duration': 4.123}, {'end': 707.831, 'text': "So we reload, and that doesn't work.", 'start': 704.128, 'duration': 3.703}, {'end': 709.773, 'text': "Oh, it's an H1.", 'start': 709.272, 'duration': 0.501}, {'end': 712.755, 'text': 'There we go.', 'start': 712.335, 'duration': 0.42}, {'end': 718.419, 'text': "Now see how we have h1.heading2? We actually don't need this element.", 'start': 714.036, 'duration': 4.383}, {'end': 723.222, 'text': "We could just say heading2 and save that, and you'll see it's still hidden.", 'start': 718.479, 'duration': 4.743}], 'summary': 'Using css to hide and modify heading elements, achieving successful results.', 'duration': 34.245, 'max_score': 688.977, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k688977.jpg'}, {'end': 792.176, 'src': 'embed', 'start': 758.891, 'weight': 3, 'content': [{'end': 760.412, 'text': "We'll use the CSS method.", 'start': 758.891, 'duration': 1.521}, {'end': 763.755, 'text': "I'm going to go over these types of methods later on.", 'start': 761.153, 'duration': 2.602}, {'end': 767.678, 'text': "Right now I'm just focusing on the actual selectors.", 'start': 765.056, 'duration': 2.622}, {'end': 775.443, 'text': "But CSS will take in a property, let's say color, and we'll change it to red.", 'start': 768.278, 'duration': 7.165}, {'end': 783.75, 'text': 'So if we go ahead and save that and reload, now you can see that all the spans that are within the paragraph are red.', 'start': 775.463, 'duration': 8.287}, {'end': 792.176, 'text': "If I were to take that span and put it outside of a paragraph, you'll see that it's, it's not red.", 'start': 784.31, 'duration': 7.866}], 'summary': 'Using css to change color of spans within paragraphs.', 'duration': 33.285, 'max_score': 758.891, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k758891.jpg'}], 'start': 613.892, 'title': 'Using jquery and css for element manipulation', 'summary': 'Demonstrates using jquery to hide html elements based on their tags, ids, and classes, with specific examples and code snippets. it also covers css selectors and methods, including hiding elements using classes, changing the color of specific elements, and using css3 selectors for more specific targeting.', 'chapters': [{'end': 688.136, 'start': 613.892, 'title': 'Using jquery to hide html elements', 'summary': 'Demonstrates using jquery to hide html elements such as headings and paragraphs based on their tags, ids, and classes, showcasing the functionality with specific examples and code snippets.', 'duration': 74.244, 'highlights': ['The example demonstrates using jQuery to hide all H1 elements on a webpage, showcasing the practical application of the method. (Relevance: 5)', 'The instructor illustrates how to target and hide a specific H1 element by using its ID, providing a clear demonstration of the application of jQuery targeting with ID selectors. (Relevance: 4)', 'The chapter also mentions the possibility of using classes to target and hide specific HTML elements, expanding the scope of the jQuery method. (Relevance: 3)']}, {'end': 813.008, 'start': 688.977, 'title': 'Css selectors and methods', 'summary': 'Covers css selectors and methods, including hiding elements using classes, changing the color of specific elements, and using css3 selectors for more specific targeting of elements.', 'duration': 124.031, 'highlights': ['The chapter covers CSS selectors and methods, including hiding elements using classes, changing the color of specific elements, and using CSS3 selectors for more specific targeting of elements.', "The speaker demonstrates how to hide elements by targeting their classes, starting with heading2 and then refining the selector to just 'heading2', successfully hiding the element.", 'The method of changing the color of specific elements using CSS is illustrated, with the example of changing all spans within a paragraph to red, showcasing the application of CSS properties.', 'The usage of CSS3 selectors for more specific targeting of elements is mentioned, indicating a more advanced level of specificity in element selection.']}], 'duration': 199.116, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k613892.jpg', 'highlights': ['The example demonstrates using jQuery to hide all H1 elements on a webpage, showcasing the practical application of the method. (Relevance: 5)', 'The instructor illustrates how to target and hide a specific H1 element by using its ID, providing a clear demonstration of the application of jQuery targeting with ID selectors. (Relevance: 4)', 'The chapter also mentions the possibility of using classes to target and hide specific HTML elements, expanding the scope of the jQuery method. (Relevance: 3)', 'The chapter covers CSS selectors and methods, including hiding elements using classes, changing the color of specific elements, and using CSS3 selectors for more specific targeting of elements.', "The speaker demonstrates how to hide elements by targeting their classes, starting with heading2 and then refining the selector to just 'heading2', successfully hiding the element.", 'The method of changing the color of specific elements using CSS is illustrated, with the example of changing all spans within a paragraph to red, showcasing the application of CSS properties.', 'The usage of CSS3 selectors for more specific targeting of elements is mentioned, indicating a more advanced level of specificity in element selection.']}, {'end': 997.011, 'segs': [{'end': 997.011, 'src': 'embed', 'start': 851.409, 'weight': 0, 'content': [{'end': 857.473, 'text': 'okay, so what we could do is we can say li.', 'start': 851.409, 'duration': 6.064}, {'end': 864.578, 'text': 'if we want to be more specific, we could say ul with the id of list and then li.', 'start': 857.473, 'duration': 7.105}, {'end': 871.576, 'text': 'And what we can do is we can put a colon here and then say first.', 'start': 866.571, 'duration': 5.005}, {'end': 877.742, 'text': "Then we'll use the CSS method here and we'll say color red.", 'start': 873.097, 'duration': 4.645}, {'end': 891.138, 'text': 'Save that, reload, and now you can see that the first item of that list is now red.', 'start': 884.773, 'duration': 6.365}, {'end': 898.344, 'text': "At the same time, we can do last, which I'm sure you can project what that's going to do.", 'start': 891.999, 'duration': 6.345}, {'end': 903.708, 'text': "Last, and we'll change this to green, and reload.", 'start': 898.464, 'duration': 5.244}, {'end': 907.331, 'text': "Now you'll see that the last item in the list is green.", 'start': 904.228, 'duration': 3.103}, {'end': 914.95, 'text': 'Okay, we also have even, even and odd if you want to target those even and odd elements.', 'start': 908.865, 'duration': 6.085}, {'end': 917.532, 'text': "So let's just copy that.", 'start': 915.79, 'duration': 1.742}, {'end': 922.115, 'text': "And then we'll change this to even.", 'start': 919.393, 'duration': 2.722}, {'end': 928.66, 'text': "And instead of the color, let's do background color.", 'start': 922.135, 'duration': 6.525}, {'end': 933.244, 'text': "Okay, we'll set that to let's say yellow.", 'start': 928.68, 'duration': 4.564}, {'end': 941.389, 'text': 'save that reload and now every even element is yellow all right.', 'start': 934.665, 'duration': 6.724}, {'end': 949.213, 'text': "now, of course, we can also do odd, so let's change that to odd.", 'start': 941.389, 'duration': 7.824}, {'end': 955.976, 'text': "and for the background color we can also use hexadecimal values, so we'll put a light gray all right.", 'start': 949.213, 'duration': 6.763}, {'end': 962.692, 'text': 'Now, what?', 'start': 962.372, 'duration': 0.32}, {'end': 965.334, 'text': "if we want to choose, let's say, every third item?", 'start': 962.692, 'duration': 2.642}, {'end': 969.916, 'text': 'We could do that using an nth value or an nth child selector.', 'start': 965.494, 'duration': 4.422}, {'end': 972.417, 'text': "So let's copy that.", 'start': 970.636, 'duration': 1.781}, {'end': 977.76, 'text': "And we're going to change this to nth-child.", 'start': 973.838, 'duration': 3.922}, {'end': 979.941, 'text': "And that's going to take in a parameter.", 'start': 978.461, 'duration': 1.48}, {'end': 980.922, 'text': "We're going to say 3n.", 'start': 979.961, 'duration': 0.961}, {'end': 985.384, 'text': "Now you can put all kinds of formulas in here, but I'm not going to really get into that.", 'start': 981.182, 'duration': 4.202}, {'end': 987.365, 'text': "That's more CSS3 stuff.", 'start': 986.465, 'duration': 0.9}, {'end': 997.011, 'text': "So for this one, let's change the property to list style and we'll set this to none.", 'start': 989.227, 'duration': 7.784}], 'summary': 'Using css to target specific elements and apply different styles such as color and background color to first, last, even, odd, and nth-child elements.', 'duration': 145.602, 'max_score': 851.409, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k851409.jpg'}], 'start': 813.508, 'title': 'Css list manipulation', 'summary': "Demonstrates how to use css to manipulate the first list item within a ul element with the id 'list', resulting in the first list item being styled in red. it also shows how to use css selectors to style elements based on their position in a list, such as changing the color of the last item, alternating background colors for even and odd items, and choosing specific items using nth-child selector.", 'chapters': [{'end': 891.138, 'start': 813.508, 'title': 'Manipulating list items with css', 'summary': "Demonstrates how to use css to manipulate the first list item within a ul element with the id 'list', resulting in the first list item being styled in red.", 'duration': 77.63, 'highlights': ["The chapter demonstrates how to use CSS to manipulate the first list item within a UL element with the ID 'list', resulting in the first list item being styled in red.", "The process involves selecting the UL element with the ID 'list' and then targeting the first list item within it using CSS, specifically by applying the 'color: red' style.", 'The specific instruction involves using the CSS method to change the color of the first list item to red.']}, {'end': 997.011, 'start': 891.999, 'title': 'Css selectors and styling', 'summary': 'Demonstrates how to use css selectors to style elements based on their position in a list, such as changing the color of the last item, alternating background colors for even and odd items, and choosing specific items using nth-child selector.', 'duration': 105.012, 'highlights': ['Using CSS selectors to style elements based on their position in a list, such as changing the color of the last item, alternating background colors for even and odd items, and choosing specific items using nth-child selector.', 'Demonstrating how to change the color of the last item in a list and reload to see the change.', 'Explaining how to target even elements and change their background color, demonstrating with the example of setting every even element to yellow.', 'Illustrating the process of targeting odd elements and changing their background color, using hexadecimal values to set a light gray color for every odd element.', 'Showing how to choose specific items using an nth-child selector, in this case, targeting every third item and setting the list style property to none.']}], 'duration': 183.503, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k813508.jpg', 'highlights': ["The chapter demonstrates how to use CSS to manipulate the first list item within a UL element with the ID 'list', resulting in the first list item being styled in red.", 'Using CSS selectors to style elements based on their position in a list, such as changing the color of the last item, alternating background colors for even and odd items, and choosing specific items using nth-child selector.', "The process involves selecting the UL element with the ID 'list' and then targeting the first list item within it using CSS, specifically by applying the 'color: red' style.", 'Illustrating the process of targeting odd elements and changing their background color, using hexadecimal values to set a light gray color for every odd element.', 'Explaining how to target even elements and change their background color, demonstrating with the example of setting every even element to yellow.', 'Demonstrating how to change the color of the last item in a list and reload to see the change.', 'Showing how to choose specific items using an nth-child selector, in this case, targeting every third item and setting the list style property to none.']}, {'end': 1271.349, 'segs': [{'end': 1110.851, 'src': 'heatmap', 'start': 997.431, 'weight': 2, 'content': [{'end': 999.633, 'text': "And what that'll do is it'll remove the bullets.", 'start': 997.431, 'duration': 2.202}, {'end': 1005.416, 'text': "So we'll save that, reload, and now you can see that every third doesn't have a bullet.", 'start': 1000.733, 'duration': 4.683}, {'end': 1009.498, 'text': 'So we can pretty much target these items however we want.', 'start': 1006.476, 'duration': 3.022}, {'end': 1014.02, 'text': 'So now what I want to do is move on to inputs.', 'start': 1011.098, 'duration': 2.922}, {'end': 1023.404, 'text': "So up here, I'm going to put in an input, and this is going to have a type of button.", 'start': 1014.52, 'duration': 8.884}, {'end': 1030.288, 'text': "And we'll set a value of, we'll just say button one.", 'start': 1024.845, 'duration': 5.443}, {'end': 1034.97, 'text': "Input doesn't need an ending tag.", 'start': 1033.009, 'duration': 1.961}, {'end': 1038.372, 'text': "All right, and then we'll put a submit type.", 'start': 1034.99, 'duration': 3.382}, {'end': 1046.031, 'text': "and let's put a text type.", 'start': 1044.329, 'duration': 1.702}, {'end': 1051.293, 'text': "Okay, that doesn't need a value.", 'start': 1049.772, 'duration': 1.521}, {'end': 1058.275, 'text': 'All right, so if we reload, now we have a button, a regular button, a submit button, and a text.', 'start': 1052.693, 'duration': 5.582}, {'end': 1063.957, 'text': 'So we can actually use the type attribute as a selector.', 'start': 1058.735, 'duration': 5.222}, {'end': 1073.526, 'text': "So for instance, let's say Let's say that we want to grab all of the button types.", 'start': 1064.537, 'duration': 8.989}, {'end': 1080.288, 'text': "So what we could do is say colon button and then we'll say dot hide.", 'start': 1073.906, 'duration': 6.382}, {'end': 1086.309, 'text': "Okay, so if we reload that, you'll see that the button is now hidden.", 'start': 1080.308, 'duration': 6.001}, {'end': 1092.751, 'text': 'Could also take submit, which I should probably change the text.', 'start': 1086.829, 'duration': 5.922}, {'end': 1094.311, 'text': "We'll say submit.", 'start': 1093.271, 'duration': 1.04}, {'end': 1097.961, 'text': "Reload, and now that's gone.", 'start': 1096.42, 'duration': 1.541}, {'end': 1103.926, 'text': 'Okay, and then finally if we want the text, now the text is gone.', 'start': 1097.981, 'duration': 5.945}, {'end': 1106.528, 'text': 'So you can use that as a selector as well.', 'start': 1104.326, 'duration': 2.202}, {'end': 1110.851, 'text': 'Now we can also work with attributes as selectors.', 'start': 1107.529, 'duration': 3.322}], 'summary': 'Demonstration of manipulating html elements and using attributes as selectors.', 'duration': 109.097, 'max_score': 997.431, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k997431.jpg'}, {'end': 1227.219, 'src': 'embed', 'start': 1186.694, 'weight': 0, 'content': [{'end': 1191.155, 'text': "So we'll go in here.", 'start': 1186.694, 'duration': 4.461}, {'end': 1194.015, 'text': "We're going to put a and then some brackets.", 'start': 1191.175, 'duration': 2.84}, {'end': 1202.697, 'text': "And then we'll say href equals http yahoo.com.", 'start': 1194.695, 'duration': 8.002}, {'end': 1213.589, 'text': "and then we'll just use our CSS method here and we'll say color green.", 'start': 1203.661, 'duration': 9.928}, {'end': 1217.532, 'text': "so now, if we go and we reload, you'll see that the Yahoo link is now green.", 'start': 1213.589, 'duration': 3.943}, {'end': 1227.219, 'text': 'okay, so we can target attributes as well as the attribute values, and then we also have the asterisk, which will grab everything.', 'start': 1217.532, 'duration': 9.687}], 'summary': 'Using css method to make yahoo link green.', 'duration': 40.525, 'max_score': 1186.694, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k1186694.jpg'}, {'end': 1271.349, 'src': 'embed', 'start': 1259.564, 'weight': 1, 'content': [{'end': 1262.545, 'text': 'We can use the CSS3 pseudo selectors.', 'start': 1259.564, 'duration': 2.981}, {'end': 1266.687, 'text': 'All right, so plenty of ways to do it to grab certain elements.', 'start': 1263.185, 'duration': 3.502}, {'end': 1269.568, 'text': "All right, so that's it for selectors.", 'start': 1267.527, 'duration': 2.041}, {'end': 1271.349, 'text': "Now we're going to move on to events.", 'start': 1269.588, 'duration': 1.761}], 'summary': 'Introduction to css3 pseudo selectors and moving on to events.', 'duration': 11.785, 'max_score': 1259.564, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k1259564.jpg'}], 'start': 997.431, 'title': 'Css and attribute selectors', 'summary': 'Covers using css selectors to target html elements, demonstrating removal of bullets, and working with input types. it also discusses targeting elements based on attribute presence and value, and using the asterisk selector to target all elements.', 'chapters': [{'end': 1106.528, 'start': 997.431, 'title': 'Css selectors and inputs', 'summary': 'Discusses using css selectors to target specific html elements, demonstrating the removal of bullets from every third item, and the use of input types such as button, submit, and text, showcasing their attributes and the ability to hide them using css selectors.', 'duration': 109.097, 'highlights': ['The chapter demonstrates the removal of bullets from every third item, showcasing the use of CSS selectors for targeting specific HTML elements.', 'The transcript illustrates the use of input types including button, submit, and text, along with setting their values and attributes.', 'It showcases the ability to hide specific input types such as buttons, submit, and text using CSS selectors.']}, {'end': 1271.349, 'start': 1107.529, 'title': 'Working with attributes as selectors', 'summary': 'Discusses working with attributes as selectors, demonstrating how to target elements based on attribute presence and value, with examples of changing the color of links based on their href attribute and value, as well as using the asterisk selector to target all elements, highlighting the various ways of using selectors.', 'duration': 163.82, 'highlights': ['The chapter demonstrates targeting elements based on attribute presence and value, changing the color of links based on their href attribute and value, with examples of using the asterisk selector to target all elements.', 'Selectors like IDs, classes, nesting selectors, and CSS3 pseudo selectors are mentioned as various ways to grab certain elements.']}], 'duration': 273.918, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3nrLc_JOF7k/pics/3nrLc_JOF7k997431.jpg', 'highlights': ['The chapter demonstrates targeting elements based on attribute presence and value, changing the color of links based on their href attribute and value, with examples of using the asterisk selector to target all elements.', 'Selectors like IDs, classes, nesting selectors, and CSS3 pseudo selectors are mentioned as various ways to grab certain elements.', 'The chapter demonstrates the removal of bullets from every third item, showcasing the use of CSS selectors for targeting specific HTML elements.', 'The transcript illustrates the use of input types including button, submit, and text, along with setting their values and attributes.', 'It showcases the ability to hide specific input types such as buttons, submit, and text using CSS selectors.']}], 'highlights': ['jQuery is a small, fast, and feature-rich JavaScript library that simplifies DOM manipulation, event handling, AJAX, and extensive functionality.', 'The course covers jQuery selectors, event handling, DOM manipulation, methods, effects, and AJAX, providing a comprehensive overview of the topics.', 'Prerequisites for the course include knowledge of HTML, CSS, and basics of JavaScript, as jQuery involves manipulating HTML elements using CSS selectors.', 'The latest version of jQuery is 3.1.0, with version 2 having a slightly different API, and version 1 being recommended for compatibility on older browsers.', 'The recommendation is to include jQuery within the application for production projects, but for simplicity, the chapter uses the CDN for demonstration purposes.', 'The chapter starts with an introduction to the availability of different ways to use jQuery, including downloading it from the official website or using a Content Delivery Network (CDN) for simplicity.', 'The chapter covers setting CSS styles for body, header, and container, including font size of 17 pixels, background color, line height, text color, padding, border, margin, and width for responsive design.', 'It explains the process of including jQuery in the project using a script tag with a CDN source, enabling the use of jQuery for the course.', 'The chapter emphasizes building a simple UI with standard HTML tags, including a header and a container div, to organize the content of the course.', 'Introduces jQuery selectors for h1, h2, and paragraph elements, and demonstrates the usage of jQuery selectors to grab headings.', "The chapter covers creating the folder structure for the jQuery crash course, including creating a 'Selectors' folder and an 'index.html' file.", 'It briefly mentions adding minimal styling to the UI, aiming to enhance the visual presentation of the course content.', 'The example demonstrates using jQuery to hide all H1 elements on a webpage, showcasing the practical application of the method. (Relevance: 5)', 'The instructor illustrates how to target and hide a specific H1 element by using its ID, providing a clear demonstration of the application of jQuery targeting with ID selectors. (Relevance: 4)', 'The chapter also mentions the possibility of using classes to target and hide specific HTML elements, expanding the scope of the jQuery method. (Relevance: 3)', 'The chapter covers CSS selectors and methods, including hiding elements using classes, changing the color of specific elements, and using CSS3 selectors for more specific targeting of elements.', "The speaker demonstrates how to hide elements by targeting their classes, starting with heading2 and then refining the selector to just 'heading2', successfully hiding the element.", 'The method of changing the color of specific elements using CSS is illustrated, with the example of changing all spans within a paragraph to red, showcasing the application of CSS properties.', 'The usage of CSS3 selectors for more specific targeting of elements is mentioned, indicating a more advanced level of specificity in element selection.', "The chapter demonstrates how to use CSS to manipulate the first list item within a UL element with the ID 'list', resulting in the first list item being styled in red.", 'Using CSS selectors to style elements based on their position in a list, such as changing the color of the last item, alternating background colors for even and odd items, and choosing specific items using nth-child selector.', "The process involves selecting the UL element with the ID 'list' and then targeting the first list item within it using CSS, specifically by applying the 'color: red' style.", 'Illustrating the process of targeting odd elements and changing their background color, using hexadecimal values to set a light gray color for every odd element.', 'Explaining how to target even elements and change their background color, demonstrating with the example of setting every even element to yellow.', 'Demonstrating how to change the color of the last item in a list and reload to see the change.', 'Showing how to choose specific items using an nth-child selector, in this case, targeting every third item and setting the list style property to none.', 'The chapter demonstrates targeting elements based on attribute presence and value, changing the color of links based on their href attribute and value, with examples of using the asterisk selector to target all elements.', 'Selectors like IDs, classes, nesting selectors, and CSS3 pseudo selectors are mentioned as various ways to grab certain elements.', 'The chapter demonstrates the removal of bullets from every third item, showcasing the use of CSS selectors for targeting specific HTML elements.', 'The transcript illustrates the use of input types including button, submit, and text, along with setting their values and attributes.', 'It showcases the ability to hide specific input types such as buttons, submit, and text using CSS selectors.']}