title
Node.js Crash Course Tutorial #10 - Get, Post & Delete Requests

description
In this node.js tutorial we'll set up some route handlers for different request types. We'll also look at how to handle post requests and delete requests. 0:00 -- request types 3:56 -- post requests 11:55 -- route parameters 20:12 -- delete requests 🐱‍👤🐱‍👤 JOIN THE GANG - https://www.youtube.com/channel/UCW5YeuERMmlnqo4oq8vwUpg/join ---------------------------------------- 🐱‍💻 🐱‍💻 My Udemy Courses: + Modern JavaScript - https://www.thenetninja.co.uk/udemy/modern-javascript + Vue JS & Firebase - http://www.thenetninja.co.uk/udemy/vue-and-firebase + D3.js & Firebase - https://www.thenetninja.co.uk/udemy/d3-and-firebase 🐱‍💻 🐱‍💻 Course Files: https://github.com/iamshaunjp/node-crash-course 🐱‍💻 🐱‍💻 Other Related Free Courses: + Modern JavaScript Tutorial - https://www.youtube.com/playlist?list=PL4cUxeGkcC9haFPT7J25Q9GRB_ZkFrQAc + HTML & CSS Crash Course - https://www.youtube.com/playlist?list=PL4cUxeGkcC9ivBf_eKCPIAYXWzLlPAm6G 🐱‍💻 🐱‍💻 Node.js links + Download here - https://nodejs.org/en/download/

detail
{'title': 'Node.js Crash Course Tutorial #10 - Get, Post & Delete Requests', 'heatmap': [{'end': 491.29, 'start': 420.462, 'weight': 0.71}, {'end': 673.597, 'start': 646.055, 'weight': 0.728}, {'end': 867.69, 'start': 825.201, 'weight': 0.787}, {'end': 1719.1, 'start': 1690.821, 'weight': 0.786}, {'end': 1921.199, 'start': 1892.62, 'weight': 0.777}, {'end': 2005.697, 'start': 1974.672, 'weight': 0.762}], 'summary': 'The tutorial covers different http requests (get, post, delete, put) used in web development and their handling on the server. it includes handling post requests and form data in express, express route parameters, blog id linking, details page functionality, javascript delete requests, and sending json response in node.js.', 'chapters': [{'end': 376.043, 'segs': [{'end': 45.412, 'src': 'embed', 'start': 2.116, 'weight': 0, 'content': [{'end': 8.518, 'text': "all right then, gang, so far in our website we've made only one type of request and that is a get request,", 'start': 2.116, 'duration': 6.402}, {'end': 13.7, 'text': "and we've had handlers for those get requests when we've said things like app.get.", 'start': 8.518, 'duration': 5.182}, {'end': 18.562, 'text': 'now these types of requests are typically to get a resource from the server.', 'start': 13.7, 'duration': 4.862}, {'end': 23.123, 'text': "whether that be json data from the database or a web page, doesn't really matter.", 'start': 18.562, 'duration': 4.561}, {'end': 25.044, 'text': 'they are all get requests.', 'start': 23.123, 'duration': 1.921}, {'end': 27.065, 'text': "but there's other types of requests too.", 'start': 25.044, 'duration': 2.021}, {'end': 31.626, 'text': 'so we have get request to request data from the server.', 'start': 27.885, 'duration': 3.741}, {'end': 36.708, 'text': 'we also have post requests to create new data in our database.', 'start': 31.626, 'duration': 5.082}, {'end': 45.412, 'text': 'so typically when we have a web form and hit submit, then we send a post request to the server with that new data and it can be added to the database.', 'start': 36.708, 'duration': 8.704}], 'summary': 'Introduction to different types of http requests and their purposes.', 'duration': 43.296, 'max_score': 2.116, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y2116.jpg'}, {'end': 194.233, 'src': 'embed', 'start': 170.84, 'weight': 1, 'content': [{'end': 178.044, 'text': 'finally, you might also have routes for updating blogs and that would look something like this as well when we have the id that changes.', 'start': 170.84, 'duration': 7.204}, {'end': 181.466, 'text': 'but that would be a put request.', 'start': 178.044, 'duration': 3.422}, {'end': 190.411, 'text': 'so this route structure is the typical structure of a simple, crud application for every different data type or resource we have, for example, blogs,', 'start': 181.466, 'duration': 8.945}, {'end': 194.233, 'text': 'users, books, authors, whatever the resource type might be.', 'start': 190.411, 'duration': 3.822}], 'summary': 'Typical route structure for updating blogs using put request.', 'duration': 23.393, 'max_score': 170.84, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y170840.jpg'}], 'start': 2.116, 'title': 'Http and crud in web development', 'summary': 'Covers different http requests (get, post, delete, put) used in web development and their handling on the server. it also explains the route structure of a typical crud application, involving post, get, and delete requests.', 'chapters': [{'end': 130.471, 'start': 2.116, 'title': 'Http requests and handling', 'summary': 'Explains the different types of http requests (get, post, delete, put) used in web development, demonstrating how they are handled on the server and their respective purposes, including creating, retrieving, updating, and deleting data.', 'duration': 128.355, 'highlights': ['The chapter explains the different types of HTTP requests (GET, POST, DELETE, PUT) used in web development. It highlights the main focus of the chapter, providing an overview of the content.', 'GET requests are used to retrieve a resource from the server, such as JSON data or a web page. It emphasizes the purpose of GET requests, which is to retrieve data from the server.', 'POST requests are used to create new data in the database, typically when submitting a web form. It highlights the purpose of POST requests, which is to add new data to the database.', 'DELETE requests are used to delete data, for example, deleting a single blog document from the database. It emphasizes the purpose of DELETE requests, which is to remove specific data from the database.', 'PUT requests are used to update existing data in the database. It highlights the purpose of PUT requests, which is to modify existing data in the database.']}, {'end': 376.043, 'start': 131.542, 'title': 'Crud application route structure', 'summary': 'Explains the typical route structure of a simple crud application, involving post, get, and delete requests, and the process of handling a post request to add new data to the server.', 'duration': 244.501, 'highlights': ['The typical route structure of a simple, CRUD application involves post, get, and delete requests for different data types or resources. The explanation of the typical route structure of a simple CRUD application is a key point in understanding the process.', 'The process of handling a post request involves sending the request to the server, adding necessary data to the request body, and accessing the form data on the server. Understanding the process of handling a post request, including adding data to the request body and accessing form data, is crucial for application development.']}], 'duration': 373.927, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y2116.jpg', 'highlights': ['The chapter explains the different types of HTTP requests (GET, POST, DELETE, PUT) used in web development.', 'The typical route structure of a simple, CRUD application involves post, get, and delete requests for different data types or resources.', 'GET requests are used to retrieve a resource from the server, such as JSON data or a web page.', 'The process of handling a post request involves sending the request to the server, adding necessary data to the request body, and accessing the form data on the server.', 'POST requests are used to create new data in the database, typically when submitting a web form.']}, {'end': 689.049, 'segs': [{'end': 491.29, 'src': 'heatmap', 'start': 376.043, 'weight': 0, 'content': [{'end': 379.485, 'text': "so when we click on this button now, it's going to send this post request.", 'start': 376.043, 'duration': 3.442}, {'end': 381.226, 'text': 'now we need to handle that on the server.', 'start': 379.485, 'duration': 1.741}, {'end': 389.862, 'text': "so what we need to do is first of all come down to blog routes over here, and i'm going to create a post handler.", 'start': 382.173, 'duration': 7.689}, {'end': 392.765, 'text': 'so to do that we say app dot post.', 'start': 389.862, 'duration': 2.903}, {'end': 397.61, 'text': "so before we handled get requests, now we're handling a post request.", 'start': 392.765, 'duration': 4.845}, {'end': 404.759, 'text': 'so app.post, and we want to scope this to forward slash blogs.', 'start': 398.291, 'duration': 6.468}, {'end': 408.263, 'text': "that's where we're sending the request to, right here.", 'start': 404.759, 'duration': 3.504}, {'end': 411.047, 'text': 'and then we want to fire back a callback function.', 'start': 408.263, 'duration': 2.784}, {'end': 420.462, 'text': "so let's say request and response, and inside we want to save a new blog document to the database.", 'start': 411.047, 'duration': 9.415}, {'end': 429.39, 'text': 'but we need access to all that data that comes along for the ride in this post request when we click on, submit this data, this data and this data.', 'start': 420.462, 'duration': 8.928}, {'end': 430.17, 'text': 'so how do we get that?', 'start': 429.39, 'duration': 0.78}, {'end': 432.478, 'text': 'well, first of all,', 'start': 431.198, 'duration': 1.28}, {'end': 442.921, 'text': "we need to use a bit of middleware which is going to pass the data that we send into a workable format that we can use and it's going to attach it to this request object.", 'start': 432.478, 'duration': 10.443}, {'end': 449.142, 'text': "so i'm going to come up to where we use some middleware and below the static middleware right here i'm going to paste this in.", 'start': 442.921, 'duration': 6.221}, {'end': 451.563, 'text': "so it's middleware that comes along with express.", 'start': 449.142, 'duration': 2.421}, {'end': 458.207, 'text': 'So we say app.use, express.urlencoded, and then we say extended is true inside.', 'start': 452.083, 'duration': 6.124}, {'end': 459.108, 'text': "We don't need to do this.", 'start': 458.247, 'duration': 0.861}, {'end': 461.569, 'text': 'This is just an option that you can add in.', 'start': 459.148, 'duration': 2.421}, {'end': 472.716, 'text': 'So this basically takes all the URL encoded data that comes along for the ride and it passes that into an object that we can use on the request object.', 'start': 462.23, 'duration': 10.486}, {'end': 479.241, 'text': 'So down here inside this post request handler, we can now access request.body.', 'start': 473.277, 'duration': 5.964}, {'end': 483.044, 'text': 'and that contains all the information we need from the web form.', 'start': 479.921, 'duration': 3.123}, {'end': 491.29, 'text': "let me just log this to the console so i can show you request body like so, and we're going to open up the console down here.", 'start': 483.044, 'duration': 8.246}], 'summary': 'Setting up a post request handler in blog routes to save blog data to the database.', 'duration': 107.001, 'max_score': 376.043, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y376043.jpg'}, {'end': 635.905, 'src': 'embed', 'start': 597.608, 'weight': 3, 'content': [{'end': 601.63, 'text': "so we're creating a new blog with a title, snippet and body, and that's all we need to do.", 'start': 597.608, 'duration': 4.022}, {'end': 603.671, 'text': 'so now we have that.', 'start': 602.37, 'duration': 1.301}, {'end': 607.212, 'text': 'we can say blog.save to save this to the database.', 'start': 603.671, 'duration': 3.541}, {'end': 609.553, 'text': "it's asynchronous, returns, a promise.", 'start': 607.212, 'duration': 2.341}, {'end': 614.515, 'text': 'so we tack on dot then and fire a callback function when this has done.', 'start': 609.553, 'duration': 4.962}, {'end': 617.816, 'text': 'so we can take the result here, just in case we use it in the future.', 'start': 614.515, 'duration': 3.301}, {'end': 625.959, 'text': 'but at this point, what do we want to do after a user has clicked on this button right here yeah, and it submits that to the server.', 'start': 617.816, 'duration': 8.143}, {'end': 627.78, 'text': 'we save that to the database.', 'start': 625.959, 'duration': 1.821}, {'end': 629.34, 'text': 'what do we want to do then?', 'start': 627.78, 'duration': 1.56}, {'end': 630.721, 'text': 'what do we want the user to see?', 'start': 629.34, 'duration': 1.381}, {'end': 635.905, 'text': "Well, I'd like to redirect them back to the home page so they can see that new blog right here on the list.", 'start': 631.221, 'duration': 4.684}], 'summary': 'Creating a new blog and saving it to the database, then redirecting users to the home page.', 'duration': 38.297, 'max_score': 597.608, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y597608.jpg'}, {'end': 673.597, 'src': 'heatmap', 'start': 646.055, 'weight': 0.728, 'content': [{'end': 655.564, 'text': 'So, we also can attach the catch block right here which catches any errors if there are any and then we can log that to the console for now like that.', 'start': 646.055, 'duration': 9.509}, {'end': 658.486, 'text': "okay, so let's see if this works.", 'start': 656.224, 'duration': 2.262}, {'end': 661.068, 'text': "i'm going to go to add a new blog first.", 'start': 658.486, 'duration': 2.582}, {'end': 662.549, 'text': 'i need to stop that request.', 'start': 661.068, 'duration': 1.481}, {'end': 664.23, 'text': 'go to add a new blog.', 'start': 662.549, 'duration': 1.681}, {'end': 673.597, 'text': "the blog title is going to be like yoshi's party and the blog snippet is come and have a good time.", 'start': 664.23, 'duration': 9.367}], 'summary': "Testing code for adding a new blog with title 'yoshi's party' and snippet 'come and have a good time'", 'duration': 27.542, 'max_score': 646.055, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y646055.jpg'}], 'start': 376.043, 'title': 'Handling post requests and form data', 'summary': 'Covers handling post requests in express, creating post handler, using middleware to process data, and handling form data in node.js, accessing data, using middleware to accept form data, and redirecting users to the home page after submission.', 'chapters': [{'end': 461.569, 'start': 376.043, 'title': 'Handling post requests in express', 'summary': 'Covers handling post requests in express, including creating a post handler, using middleware to process data, and attaching it to the request object.', 'duration': 85.526, 'highlights': ['Creating a post handler using app.post to handle post requests for /blogs.', 'Using middleware express.urlencoded to process data from the post request and attach it to the request object for further use.', 'The need to handle post requests after previously handling get requests in the application.']}, {'end': 689.049, 'start': 462.23, 'title': 'Handling form data in node.js', 'summary': 'Discusses how to handle form data in node.js, including accessing and saving data to the database, using middleware to accept form data, and redirecting users to the home page after submission.', 'duration': 226.819, 'highlights': ["The 'urlencoded' data is passed into an object that can be used on the request object, allowing access to all the information needed from the web form.", "Using middleware to accept form data enables the ability to access 'request.body', which contains the form data, while not using the middleware results in 'request.body' being undefined.", "Creating a new instance of a blog involves passing the object containing the form data, including title, snippet, and body, and then saving it to the database using 'blog.save', which returns a promise.", "After a user submits form data, redirecting them back to the home page using 'response.redirect' to '/blogs' allows them to see the new blog listed there."]}], 'duration': 313.006, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y376043.jpg', 'highlights': ['Creating a post handler using app.post to handle post requests for /blogs.', 'Using middleware express.urlencoded to process data from the post request and attach it to the request object for further use.', "Using middleware to accept form data enables the ability to access 'request.body', which contains the form data, while not using the middleware results in 'request.body' being undefined.", "After a user submits form data, redirecting them back to the home page using 'response.redirect' to '/blogs' allows them to see the new blog listed there.", 'The need to handle post requests after previously handling get requests in the application.', "Creating a new instance of a blog involves passing the object containing the form data, including title, snippet, and body, and then saving it to the database using 'blog.save', which returns a promise.", "The 'urlencoded' data is passed into an object that can be used on the request object, allowing access to all the information needed from the web form."]}, {'end': 1151.57, 'segs': [{'end': 735.547, 'src': 'embed', 'start': 708.133, 'weight': 0, 'content': [{'end': 714.419, 'text': 'now, to address those, we need to learn about this part of the route right here, and they are called route parameters.', 'start': 708.133, 'duration': 6.286}, {'end': 721.575, 'text': 'So then what are route parameters??', 'start': 719.173, 'duration': 2.402}, {'end': 728.961, 'text': 'Well, route parameters are the parts of a route that are variable or could change in this route.', 'start': 722.256, 'duration': 6.705}, {'end': 735.547, 'text': 'For example, this part in green, the ID would be variable and it could change dependent on the blog that we want to get.', 'start': 728.981, 'duration': 6.566}], 'summary': 'Route parameters are variable parts of a route, such as the id, and can change depending on the specific blog.', 'duration': 27.414, 'max_score': 708.133, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y708133.jpg'}, {'end': 788.534, 'src': 'embed', 'start': 758.304, 'weight': 1, 'content': [{'end': 761.926, 'text': "And we want to be able to extract this to see if it's an ID.", 'start': 758.304, 'duration': 3.622}, {'end': 768.39, 'text': 'And then we can query the database for the document with that ID and send it back to the user.', 'start': 762.106, 'duration': 6.284}, {'end': 776.597, 'text': 'So we need a way in Express to extract a route parameter from a URL so we can use it.', 'start': 768.971, 'duration': 7.626}, {'end': 777.118, 'text': 'okay, then.', 'start': 776.597, 'duration': 0.521}, {'end': 781.103, 'text': "so there's a couple of things i want to do here with route parameters.", 'start': 777.118, 'duration': 3.985}, {'end': 788.534, 'text': 'the first thing i want to do is surround all of these with links so that they go to forward slash blogs.', 'start': 781.103, 'duration': 7.431}], 'summary': 'Extract and use route parameter in express for querying database and sending document back to the user.', 'duration': 30.23, 'max_score': 758.304, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y758304.jpg'}, {'end': 867.69, 'src': 'heatmap', 'start': 825.201, 'weight': 0.787, 'content': [{'end': 830.584, 'text': 'so forward slash, a okay, and let me just explain what this is doing.', 'start': 825.201, 'duration': 5.383}, {'end': 837.108, 'text': 'so we are now surrounding this with an anchor tag to forward slash blogs, forward slash,', 'start': 831.224, 'duration': 5.884}, {'end': 842.612, 'text': "and then we're outputting a dynamic variable which is on the blog, and that is the ID.", 'start': 837.108, 'duration': 5.504}, {'end': 847.016, 'text': "so it's going to be forward slash blogs, forward slash, whatever the ID is for that blog.", 'start': 842.612, 'duration': 4.404}, {'end': 850.678, 'text': "I've also given this a class of single for CSS and we'll do that later.", 'start': 847.016, 'duration': 3.662}, {'end': 854.261, 'text': "but for now let's save this and go over to view this in a browser.", 'start': 850.678, 'duration': 3.583}, {'end': 863.329, 'text': "I'm going to refresh and now, if we click on one of these, for example, we go to forward slash blogs and then forward slash the id of that blog.", 'start': 854.261, 'duration': 9.068}, {'end': 867.69, 'text': "now it's going to change this id dependent on what blog we click on.", 'start': 863.329, 'duration': 4.361}], 'summary': 'Adding anchor tags to dynamic blog ids for flexibility and styling.', 'duration': 42.489, 'max_score': 825.201, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y825201.jpg'}, {'end': 863.329, 'src': 'embed', 'start': 831.224, 'weight': 3, 'content': [{'end': 837.108, 'text': 'so we are now surrounding this with an anchor tag to forward slash blogs, forward slash,', 'start': 831.224, 'duration': 5.884}, {'end': 842.612, 'text': "and then we're outputting a dynamic variable which is on the blog, and that is the ID.", 'start': 837.108, 'duration': 5.504}, {'end': 847.016, 'text': "so it's going to be forward slash blogs, forward slash, whatever the ID is for that blog.", 'start': 842.612, 'duration': 4.404}, {'end': 850.678, 'text': "I've also given this a class of single for CSS and we'll do that later.", 'start': 847.016, 'duration': 3.662}, {'end': 854.261, 'text': "but for now let's save this and go over to view this in a browser.", 'start': 850.678, 'duration': 3.583}, {'end': 863.329, 'text': "I'm going to refresh and now, if we click on one of these, for example, we go to forward slash blogs and then forward slash the id of that blog.", 'start': 854.261, 'duration': 9.068}], 'summary': 'Code adds anchor tags to blog ids for dynamic linking.', 'duration': 32.105, 'max_score': 831.224, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y831224.jpg'}, {'end': 1064.189, 'src': 'embed', 'start': 1037.788, 'weight': 4, 'content': [{'end': 1041.652, 'text': "after we've got the blog, we send it into a view which we're going to create in a second.", 'start': 1037.788, 'duration': 3.864}, {'end': 1047.739, 'text': "first of all, let's catch any errors, if there are any, and just log those to the console.", 'start': 1041.652, 'duration': 6.087}, {'end': 1051.426, 'text': 'all right, sorted.', 'start': 1049.085, 'duration': 2.341}, {'end': 1055.707, 'text': 'so now we need to create this details view right here.', 'start': 1051.426, 'duration': 4.281}, {'end': 1064.189, 'text': "so let me go over to views and create a new file called details.ejs, and in here i'm just going to paste some html code in,", 'start': 1055.707, 'duration': 8.482}], 'summary': 'Creating a details view for a blog in a web application.', 'duration': 26.401, 'max_score': 1037.788, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y1037788.jpg'}], 'start': 689.049, 'title': 'Express route parameters and blog id linking', 'summary': 'Introduces route parameters in express, emphasizing the need to extract and utilize route parameters for querying database documents, and covers setting up blog id linking with dynamic urls and creating a details page using express and mongoose.', 'chapters': [{'end': 781.103, 'start': 689.049, 'title': 'Express route parameters', 'summary': 'Introduces route parameters in express, explaining their variable nature and usage in handling different route requests, emphasizing the need to extract and utilize route parameters in express for querying database documents.', 'duration': 92.054, 'highlights': ['Route parameters are variable parts of a route that can change, allowing for dynamic handling of different requests, such as retrieving specific blog entries or deleting them.', 'Examples of route parameters include IDs or any changeable segment in a route, providing flexibility in user input without strict rules.', 'The need to extract route parameters in Express is emphasized for querying the database and sending the relevant document back to the user.']}, {'end': 1151.57, 'start': 781.103, 'title': 'Blog id linking and details page setup', 'summary': 'Covers setting up blog id linking with dynamic urls and creating a details page to display blog details retrieved from the database, using express and mongoose.', 'duration': 370.467, 'highlights': ['Setting up blog ID linking with dynamic URLs The speaker explains how to link blog titles with their respective IDs in the URL, allowing for dynamic URL generation based on the blog ID.', 'Creating a details page to display blog details The process of setting up a details view to display blog titles and bodies retrieved from the database is outlined, with a focus on rendering the retrieved blog information onto the details page.', 'Retrieving and rendering blog details from the database The steps for retrieving a single blog document based on its ID from the database and rendering its details onto the details view are explained, including error handling and passing the retrieved blog data to the view.']}], 'duration': 462.521, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y689049.jpg', 'highlights': ['Route parameters are variable parts of a route that can change, allowing for dynamic handling of different requests, such as retrieving specific blog entries or deleting them.', 'The need to extract route parameters in Express is emphasized for querying the database and sending the relevant document back to the user.', 'Examples of route parameters include IDs or any changeable segment in a route, providing flexibility in user input without strict rules.', 'Setting up blog ID linking with dynamic URLs The speaker explains how to link blog titles with their respective IDs in the URL, allowing for dynamic URL generation based on the blog ID.', 'Creating a details page to display blog details The process of setting up a details view to display blog titles and bodies retrieved from the database is outlined, with a focus on rendering the retrieved blog information onto the details page.', 'Retrieving and rendering blog details from the database The steps for retrieving a single blog document based on its ID from the database and rendering its details onto the details view are explained, including error handling and passing the retrieved blog data to the view.']}, {'end': 1374.479, 'segs': [{'end': 1261.083, 'src': 'embed', 'start': 1172.409, 'weight': 0, 'content': [{'end': 1181.515, 'text': "so let me just go to the styles inside the public folder and i want to scroll to index styles and i'm going to paste these things in right here.", 'start': 1172.409, 'duration': 9.106}, {'end': 1182.815, 'text': 'so just two things.', 'start': 1181.515, 'duration': 1.3}, {'end': 1187.699, 'text': 'so blogs a, which is this thing right here, the anchor tag surrounding each blog.', 'start': 1182.815, 'duration': 4.884}, {'end': 1194.344, 'text': "what I'm doing with that is saying display that as blog, give it a bit of margin, padding left and then a border left, which is Crimson,", 'start': 1188.399, 'duration': 5.945}, {'end': 1201.991, 'text': 'like a red color, and when we hover over those, the h3, which is the blog title, the color of that text is going to be red as well,', 'start': 1194.344, 'duration': 7.647}, {'end': 1203.773, 'text': 'just makes it look a bit better.', 'start': 1201.991, 'duration': 1.782}, {'end': 1206.355, 'text': "so let's refresh this, and there we go.", 'start': 1203.773, 'duration': 2.582}, {'end': 1207.697, 'text': "that's all working.", 'start': 1206.355, 'duration': 1.342}, {'end': 1211.24, 'text': 'so now we have our details page sorted.', 'start': 1207.697, 'duration': 3.543}, {'end': 1217.055, 'text': 'all right, then gang.', 'start': 1216.215, 'duration': 0.84}, {'end': 1218.776, 'text': 'so we are slowly getting there.', 'start': 1217.055, 'duration': 1.721}, {'end': 1226.638, 'text': 'the only route left to do is this one right here, which should be a delete request to delete a specific blog document.', 'start': 1218.776, 'duration': 7.862}, {'end': 1232.519, 'text': "and again we're going to have the same route structure as this one right here, where we use a route parameter.", 'start': 1226.638, 'duration': 5.881}, {'end': 1237.7, 'text': 'this time, though, we need to send a delete request and handle that instead of a get request.', 'start': 1232.519, 'duration': 5.181}, {'end': 1238.761, 'text': "so let's do that now.", 'start': 1237.7, 'duration': 1.061}, {'end': 1248.37, 'text': 'so then we want to be able to delete blogs from the front end, and we could do this from a delete button or link on each blog details page.', 'start': 1239.901, 'duration': 8.469}, {'end': 1252.915, 'text': 'so if we click on a specific blog, maybe we see a delete icon somewhere.', 'start': 1248.37, 'duration': 4.545}, {'end': 1254.036, 'text': 'we click on that.', 'start': 1252.915, 'duration': 1.121}, {'end': 1256.298, 'text': 'that sends a delete request to the server.', 'start': 1254.036, 'duration': 2.262}, {'end': 1260.823, 'text': 'then we go out to the database from the server and delete the blog with that id.', 'start': 1256.298, 'duration': 4.525}, {'end': 1261.083, 'text': 'all right.', 'start': 1260.823, 'duration': 0.26}], 'summary': 'Styling blog display and implementing delete functionality for specific blog documents.', 'duration': 88.674, 'max_score': 1172.409, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y1172409.jpg'}, {'end': 1383.695, 'src': 'embed', 'start': 1352.283, 'weight': 6, 'content': [{'end': 1355.064, 'text': 'so it looks a bit more like a circular kind of button.', 'start': 1352.283, 'duration': 2.781}, {'end': 1357.105, 'text': 'the padding is eight pixels.', 'start': 1355.064, 'duration': 2.041}, {'end': 1360.627, 'text': 'then delete hover, which is the hover effect.', 'start': 1357.105, 'duration': 3.522}, {'end': 1364.91, 'text': "we're going to say the cursor is pointer, so the little hand, and give this some box shadow.", 'start': 1360.627, 'duration': 4.283}, {'end': 1368.111, 'text': 'so let me save this and preview again.', 'start': 1364.91, 'duration': 3.201}, {'end': 1370.473, 'text': 'and now we see this thing over here all right.', 'start': 1368.111, 'duration': 2.362}, {'end': 1374.479, 'text': 'so we will make this maybe an icon later.', 'start': 1371.093, 'duration': 3.386}, {'end': 1378.987, 'text': 'so it looks better still because, to be honest, it still looks pretty pants.', 'start': 1374.479, 'duration': 4.508}, {'end': 1383.695, 'text': 'but nonetheless, when we click on this now we want to send a delete request to the server.', 'start': 1378.987, 'duration': 4.708}], 'summary': 'Designing circular button with 8px padding, hover effect removed, cursor as pointer, and box shadow. click triggers delete request.', 'duration': 31.412, 'max_score': 1352.283, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y1352283.jpg'}], 'start': 1152.45, 'title': 'Details page and delete functionality', 'summary': 'Details the successful functionality of the details page, including the display of titles and contents upon clicking, as well as the addition of styles to the page. it also covers adding delete functionality to the blog page, including sending a delete request and handling it from the front end.', 'chapters': [{'end': 1218.776, 'start': 1152.45, 'title': 'Details page styling and functionality', 'summary': "Details the successful functionality of the details page, including the display of titles and contents upon clicking, as well as the addition of styles to the page, notably with the 'blogs a' tag and the hover effect on the blog title.", 'duration': 66.326, 'highlights': ['The details page now successfully displays titles and contents upon clicking, demonstrating improved functionality and user experience.', "Styles have been added to the page, specifically for the 'blogs a' tag to display as blog with margin, padding left, and a border left in Crimson color, enhancing the visual appeal of the page.", "The hover effect on the blog title ('h3') has been implemented, changing the color of the text to red, further enhancing the visual appeal and user experience of the details page."]}, {'end': 1374.479, 'start': 1218.776, 'title': 'Adding delete functionality to blog page', 'summary': 'Covers the process of adding a delete functionality to the blog page, including sending a delete request to delete a specific blog document, handling the request from the front end, and styling the delete button.', 'duration': 155.703, 'highlights': ['The chapter covers the process of adding a delete functionality to the blog page Describes the main focus of the chapter.', 'sending a delete request to delete a specific blog document Discusses the process of sending a delete request to delete a specific blog document from the server.', 'handling the request from the front end Explains the need to handle the delete request from the front end, possibly through a delete button or link on each blog details page.', 'styling the delete button Describes the process of adding CSS styles to the delete button, including positioning, border radius, padding, and hover effects.']}], 'duration': 222.029, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y1152450.jpg', 'highlights': ['The details page now successfully displays titles and contents upon clicking, demonstrating improved functionality and user experience.', "Styles have been added to the page, specifically for the 'blogs a' tag to display as blog with margin, padding left, and a border left in Crimson color, enhancing the visual appeal of the page.", "The hover effect on the blog title ('h3') has been implemented, changing the color of the text to red, further enhancing the visual appeal and user experience of the details page.", 'The chapter covers the process of adding a delete functionality to the blog page Describes the main focus of the chapter.', 'sending a delete request to delete a specific blog document Discusses the process of sending a delete request to delete a specific blog document from the server.', 'handling the request from the front end Explains the need to handle the delete request from the front end, possibly through a delete button or link on each blog details page.', 'styling the delete button Describes the process of adding CSS styles to the delete button, including positioning, border radius, padding, and hover effects.']}, {'end': 1690.821, 'segs': [{'end': 1402.567, 'src': 'embed', 'start': 1374.479, 'weight': 4, 'content': [{'end': 1378.987, 'text': 'so it looks better still because, to be honest, it still looks pretty pants.', 'start': 1374.479, 'duration': 4.508}, {'end': 1383.695, 'text': 'but nonetheless, when we click on this now we want to send a delete request to the server.', 'start': 1378.987, 'duration': 4.708}, {'end': 1388.443, 'text': "now we're going to do that in vanilla javascript on the front end.", 'start': 1384.662, 'duration': 3.781}, {'end': 1390.283, 'text': 'so important to notice.', 'start': 1388.443, 'duration': 1.84}, {'end': 1393.284, 'text': 'this is not going to be javascript that is running on the server.', 'start': 1390.283, 'duration': 3.001}, {'end': 1402.567, 'text': 'this is going to be running in the browser when we click on this because, in our view, over here, if we add a script tag, for example at the bottom,', 'start': 1393.284, 'duration': 9.283}], 'summary': 'Using vanilla javascript to send a delete request from the browser to the server.', 'duration': 28.088, 'max_score': 1374.479, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y1374479.jpg'}, {'end': 1453.335, 'src': 'embed', 'start': 1417.893, 'weight': 0, 'content': [{'end': 1423.057, 'text': 'you should already understand about front-end javascript, asynchronous code and all that kind of jazz.', 'start': 1417.893, 'duration': 5.164}, {'end': 1429.561, 'text': "if you want to learn about that, i've got a free modern javascript course on the youtube channel and a premium one on udemy.", 'start': 1423.057, 'duration': 6.504}, {'end': 1431.943, 'text': 'the links to both of those are going to be down below.', 'start': 1429.561, 'duration': 2.382}, {'end': 1436.345, 'text': "so i'm going to first of all get a reference to this thing.", 'start': 1432.924, 'duration': 3.421}, {'end': 1440.947, 'text': "to do that, i'm going to say const and we'll call it trash can, even though it's not a trash can yet.", 'start': 1436.345, 'duration': 4.602}, {'end': 1453.335, 'text': "but we will maybe use a trash can image later on and i'm going to set that equal to document dot query selector to grab this element and we're going to grab a dot delete.", 'start': 1440.947, 'duration': 12.388}], 'summary': 'Javascript tutorial available on youtube and udemy, covering asynchronous code and front-end development.', 'duration': 35.442, 'max_score': 1417.893, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y1417893.jpg'}, {'end': 1484.578, 'src': 'embed', 'start': 1458.66, 'weight': 3, 'content': [{'end': 1464.426, 'text': 'so now we need to add an event listener to this so we can detect when a user clicks on this.', 'start': 1458.66, 'duration': 5.766}, {'end': 1471.412, 'text': "so to do that i'm going to say trashcan, dot, add event listener, and that event is going to be a click event.", 'start': 1464.426, 'duration': 6.986}, {'end': 1484.578, 'text': "so click and then we fire a function where we take the event object as a parameter and inside we want to send a delete request now to the server and we're going to use the fetch api to do that.", 'start': 1471.412, 'duration': 13.166}], 'summary': 'Add click event listener to trashcan to send delete request using fetch api.', 'duration': 25.918, 'max_score': 1458.66, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y1458660.jpg'}, {'end': 1559.82, 'src': 'embed', 'start': 1530.919, 'weight': 1, 'content': [{'end': 1534.881, 'text': "so it's going to be forward slash, blogs, forward slash, whatever the id is right here.", 'start': 1530.919, 'duration': 3.962}, {'end': 1539.524, 'text': 'so we want to send a delete request to the endpoints.', 'start': 1535.541, 'duration': 3.983}, {'end': 1540.605, 'text': 'how do we do that?', 'start': 1539.524, 'duration': 1.081}, {'end': 1544.888, 'text': 'well, we use the fetch API and we specify that we want to send it to the end point.', 'start': 1540.605, 'duration': 4.283}, {'end': 1555.136, 'text': "that's the first arguments and then we pass in an object and this is like an options object for the fetch API to say what type of request we want to send Etc.", 'start': 1544.888, 'duration': 10.248}, {'end': 1559.82, 'text': 'the only thing we need to say is the method, which is going to be a delete request.', 'start': 1555.136, 'duration': 4.684}], 'summary': 'Using the fetch api to send a delete request to the specified endpoint.', 'duration': 28.901, 'max_score': 1530.919, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y1530919.jpg'}, {'end': 1636.695, 'src': 'embed', 'start': 1614.987, 'weight': 2, 'content': [{'end': 1623.31, 'text': 'so again, if this was all over your head, then definitely check out my modern javascript course first of all to understand all of this.', 'start': 1614.987, 'duration': 8.323}, {'end': 1625.911, 'text': "okay then so now we're sending this.", 'start': 1623.31, 'duration': 2.601}, {'end': 1629.192, 'text': 'when we click on this button, we need to handle this on the server.', 'start': 1625.911, 'duration': 3.281}, {'end': 1635.314, 'text': "so let's go back to our app.js file and we need now a handler for the delete request.", 'start': 1629.192, 'duration': 6.122}, {'end': 1636.695, 'text': "so let's do that down here.", 'start': 1635.314, 'duration': 1.381}], 'summary': 'Learning modern javascript course is recommended before handling server requests.', 'duration': 21.708, 'max_score': 1614.987, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y1614987.jpg'}], 'start': 1374.479, 'title': 'Javascript delete requests', 'summary': 'Covers sending delete requests in vanilla javascript on the front end, emphasizing code running in the browser, and explains handling delete requests by setting up event listeners, using the fetch api, and creating a server handler using app.delete in app.js.', 'chapters': [{'end': 1436.345, 'start': 1374.479, 'title': 'Vanilla javascript delete request', 'summary': 'Covers how to send a delete request in vanilla javascript on the front end, emphasizing that the code runs in the browser and not on the server, and suggests additional resources for learning front-end javascript.', 'duration': 61.866, 'highlights': ['The code runs in the browser when a delete request is sent, not on the server.', 'Emphasizes the need for prior knowledge of front-end JavaScript and asynchronous code.', 'Suggests free and premium resources for learning modern JavaScript.']}, {'end': 1690.821, 'start': 1436.345, 'title': 'Handling delete requests in javascript', 'summary': 'Explains how to handle delete requests in javascript by setting up event listeners, sending delete requests using the fetch api, and creating a corresponding server handler using app.delete in app.js.', 'duration': 254.476, 'highlights': ['Setting up event listeners to detect user clicks The speaker sets up an event listener to detect when a user clicks on an element by using the addEventListener method.', 'Sending delete requests using the fetch API The process of sending delete requests to the server is explained, including setting the endpoint and specifying the method as a delete request using the fetch API.', 'Creating a server handler for delete requests using app.delete in app.js The process of creating a server handler for delete requests is demonstrated by using the app.delete method and defining a callback function to handle the request in the app.js file.']}], 'duration': 316.342, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y1374479.jpg', 'highlights': ['Emphasizes the need for prior knowledge of front-end JavaScript and asynchronous code.', 'Sending delete requests using the fetch API The process of sending delete requests to the server is explained, including setting the endpoint and specifying the method as a delete request using the fetch API.', 'Creating a server handler for delete requests using app.delete in app.js The process of creating a server handler for delete requests is demonstrated by using the app.delete method and defining a callback function to handle the request in the app.js file.', 'Setting up event listeners to detect user clicks The speaker sets up an event listener to detect when a user clicks on an element by using the addEventListener method.', 'The code runs in the browser when a delete request is sent, not on the server.', 'Suggests free and premium resources for learning modern JavaScript.']}, {'end': 2014.863, 'segs': [{'end': 1737.786, 'src': 'heatmap', 'start': 1690.821, 'weight': 0, 'content': [{'end': 1700.306, 'text': "we tack on the dot, then method and we take the results, and what we're going to do here is send back some json to the front end the browser.", 'start': 1690.821, 'duration': 9.485}, {'end': 1702.267, 'text': 'now, why are we not redirecting here?', 'start': 1700.306, 'duration': 1.961}, {'end': 1708.836, 'text': "Well, when we send an Ajax request, which is what this is, because we're doing it from JavaScript,", 'start': 1703.174, 'duration': 5.662}, {'end': 1711.397, 'text': "we're not doing it from a web form or anything like that.", 'start': 1708.836, 'duration': 2.561}, {'end': 1712.838, 'text': 'This is an Ajax request.', 'start': 1711.437, 'duration': 1.401}, {'end': 1719.1, 'text': 'When we send that type of request in node, we cannot use a redirect as a response.', 'start': 1713.318, 'duration': 5.782}, {'end': 1719.9, 'text': "We can't do that.", 'start': 1719.16, 'duration': 0.74}, {'end': 1723.942, 'text': 'We have to send maybe Jason or text data back to the browser.', 'start': 1719.94, 'duration': 4.002}, {'end': 1732.385, 'text': "Okay So what we're going to do is actually send some Jason data back to the browser, and that Jason data is going to have a redirect property.", 'start': 1724.422, 'duration': 7.963}, {'end': 1737.786, 'text': 'right now, when we receive that data back over here,', 'start': 1732.705, 'duration': 5.081}], 'summary': 'Node.js does not support redirecting ajax requests; it sends json or text data back to the browser.', 'duration': 24.468, 'max_score': 1690.821, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y1690821.jpg'}, {'end': 1802.595, 'src': 'embed', 'start': 1758.651, 'weight': 2, 'content': [{'end': 1768.418, 'text': "so if i go back to app.js, what i'm going to do inside here is say response, and the way we send some json back is by saying response.json.", 'start': 1758.651, 'duration': 9.767}, {'end': 1773.181, 'text': "now this is the typical response we'd use for an api where we can, you know,", 'start': 1768.418, 'duration': 4.763}, {'end': 1776.884, 'text': 'reach out with javascript to get data or delete data and all that kind of jazz.', 'start': 1773.181, 'duration': 3.703}, {'end': 1778.785, 'text': "so that's the reason i'm doing it this way.", 'start': 1776.884, 'duration': 1.901}, {'end': 1780.206, 'text': 'i want to show you how to do this.', 'start': 1778.785, 'duration': 1.421}, {'end': 1783.668, 'text': 'so response.json.', 'start': 1781.307, 'duration': 2.361}, {'end': 1790.671, 'text': "and in here we're going to pass an object and the redirect is going to be to forward slash blogs.", 'start': 1783.668, 'duration': 7.003}, {'end': 1798.253, 'text': "so what we're saying is after this is complete, when it's deleted, that then come back here and we'll send a response to the browser.", 'start': 1790.671, 'duration': 7.582}, {'end': 1802.595, 'text': "it's going to be adjacent object and we're going to pass that on the front end.", 'start': 1798.253, 'duration': 4.342}], 'summary': 'In app.js, we use response.json to send a json response, redirecting to /blogs after deletion.', 'duration': 43.944, 'max_score': 1758.651, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y1758651.jpg'}, {'end': 1921.199, 'src': 'heatmap', 'start': 1892.62, 'weight': 0.777, 'content': [{'end': 1896.123, 'text': 'the server deletes that document based on the id.', 'start': 1892.62, 'duration': 3.503}, {'end': 1900.246, 'text': 'it sends json as a response in this thing.', 'start': 1896.123, 'duration': 4.123}, {'end': 1907.67, 'text': 'right here we take that json, we pass it into a javascript object which we can use and we get access to that right here.', 'start': 1900.246, 'duration': 7.424}, {'end': 1909.992, 'text': "and then we're just logging that to the console.", 'start': 1907.67, 'duration': 2.322}, {'end': 1915.335, 'text': "okay, save it and let's refresh and give this a whirl.", 'start': 1909.992, 'duration': 5.343}, {'end': 1921.199, 'text': "i am going to cross my fingers because that was a large amount of code we did and i'm hoping we don't get an error.", 'start': 1915.335, 'duration': 5.864}], 'summary': 'Server deletes document based on id, sends json response, and logs to console.', 'duration': 28.579, 'max_score': 1892.62, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y1892620.jpg'}, {'end': 2005.697, 'src': 'heatmap', 'start': 1974.672, 'weight': 0.762, 'content': [{'end': 1977.854, 'text': "if we take a look over here, no, we don't get that response anymore.", 'start': 1974.672, 'duration': 3.182}, {'end': 1981.736, 'text': 'if we take a look over here, we can see that was the property right.', 'start': 1977.854, 'duration': 3.882}, {'end': 1988.542, 'text': 'so now, when we get this response back, hopefully we should redirect back to the blogs page.', 'start': 1982.697, 'duration': 5.845}, {'end': 1990.744, 'text': "so let's try this once more time.", 'start': 1988.542, 'duration': 2.202}, {'end': 1991.845, 'text': 'delete it.', 'start': 1990.744, 'duration': 1.101}, {'end': 1993.927, 'text': 'it deletes it, redirect us.', 'start': 1991.845, 'duration': 2.082}, {'end': 1996.41, 'text': 'awesome, all working.', 'start': 1993.927, 'duration': 2.483}, {'end': 2000.773, 'text': 'and now, my friends, we have handled pretty much everything we need to do.', 'start': 1996.41, 'duration': 4.363}, {'end': 2005.697, 'text': "we've got get requests, post requests and delete requests going on.", 'start': 2000.773, 'duration': 4.924}], 'summary': 'Handled get, post, and delete requests successfully.', 'duration': 31.025, 'max_score': 1974.672, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y1974672.jpg'}, {'end': 2014.863, 'src': 'embed', 'start': 1982.697, 'weight': 4, 'content': [{'end': 1988.542, 'text': 'so now, when we get this response back, hopefully we should redirect back to the blogs page.', 'start': 1982.697, 'duration': 5.845}, {'end': 1990.744, 'text': "so let's try this once more time.", 'start': 1988.542, 'duration': 2.202}, {'end': 1991.845, 'text': 'delete it.', 'start': 1990.744, 'duration': 1.101}, {'end': 1993.927, 'text': 'it deletes it, redirect us.', 'start': 1991.845, 'duration': 2.082}, {'end': 1996.41, 'text': 'awesome, all working.', 'start': 1993.927, 'duration': 2.483}, {'end': 2000.773, 'text': 'and now, my friends, we have handled pretty much everything we need to do.', 'start': 1996.41, 'duration': 4.363}, {'end': 2005.697, 'text': "we've got get requests, post requests and delete requests going on.", 'start': 2000.773, 'duration': 4.924}, {'end': 2014.863, 'text': 'so now I want to move away from this and in the next video I want to talk about MVC and the Express router, just to tidy everything up a bit.', 'start': 2005.697, 'duration': 9.166}], 'summary': 'Successfully handled get, post, and delete requests. next, discussing mvc and express router in the next video.', 'duration': 32.166, 'max_score': 1982.697, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y1982697.jpg'}], 'start': 1690.821, 'title': 'Sending json response in node.js', 'summary': 'Focuses on sending json response to the front end in node.js, explaining the necessity due to ajax requests, and demonstrating how to include a redirect property in the json data. it also covers handling json response data, converting it to a javascript object, and successfully handling get, post, and delete requests.', 'chapters': [{'end': 1831.443, 'start': 1690.821, 'title': 'Sending json response in node.js', 'summary': 'Discusses sending json response to the front end in node.js, explaining the need for it due to ajax requests and demonstrating how to include a redirect property in the json data sent to the browser.', 'duration': 140.622, 'highlights': ['When making an Ajax request in Node.js, a redirect cannot be used as a response, necessitating the sending of JSON or text data back to the browser for a redirect.', "The JSON data sent to the browser includes a 'redirect' property containing the URL to where the redirection should occur upon receiving the response.", "The response.json method is used to send JSON data back to the front end, specifically passing an object with the 'redirect' property set to '/blogs' to redirect the browser after completion."]}, {'end': 2014.863, 'start': 1831.443, 'title': 'Handling response data and redirecting', 'summary': 'Covers handling json response data, converting it to a javascript object, and redirecting the user after a successful delete request. it also mentions successful handling of get requests, post requests, and delete requests.', 'duration': 183.42, 'highlights': ['Handling JSON response data and converting it to a JavaScript object Explains the process of converting JSON response data to a JavaScript object for use, demonstrating successful handling of server responses.', 'Redirecting the user after a successful delete request Describes the process of redirecting the user after a successful delete request, ensuring a seamless user experience.', 'Successful handling of get requests, post requests, and delete requests Mentions successful handling of get requests, post requests, and delete requests, indicating comprehensive understanding and implementation of request handling.']}], 'duration': 324.042, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/VVGgacjzc2Y/pics/VVGgacjzc2Y1690821.jpg', 'highlights': ['When making an Ajax request in Node.js, a redirect cannot be used as a response, necessitating the sending of JSON or text data back to the browser for a redirect.', "The JSON data sent to the browser includes a 'redirect' property containing the URL to where the redirection should occur upon receiving the response.", "The response.json method is used to send JSON data back to the front end, specifically passing an object with the 'redirect' property set to '/blogs' to redirect the browser after completion.", 'Handling JSON response data and converting it to a JavaScript object Explains the process of converting JSON response data to a JavaScript object for use, demonstrating successful handling of server responses.', 'Redirecting the user after a successful delete request Describes the process of redirecting the user after a successful delete request, ensuring a seamless user experience.', 'Successful handling of get requests, post requests, and delete requests Mentions successful handling of get requests, post requests, and delete requests, indicating comprehensive understanding and implementation of request handling.']}], 'highlights': ['The tutorial covers different http requests (get, post, delete, put) used in web development and their handling on the server.', 'The typical route structure of a simple, CRUD application involves post, get, and delete requests for different data types or resources.', 'Route parameters are variable parts of a route that can change, allowing for dynamic handling of different requests, such as retrieving specific blog entries or deleting them.', 'The process of handling a post request involves sending the request to the server, adding necessary data to the request body, and accessing the form data on the server.', 'The need to handle post requests after previously handling get requests in the application.', 'The details page now successfully displays titles and contents upon clicking, demonstrating improved functionality and user experience.', 'Sending delete requests using the fetch API The process of sending delete requests to the server is explained, including setting the endpoint and specifying the method as a delete request using the fetch API.', 'When making an Ajax request in Node.js, a redirect cannot be used as a response, necessitating the sending of JSON or text data back to the browser for a redirect.']}