title
Node.js tutorial for beginners 2014 - an introduction to Node.js with Express.js

description
Node.js tutorial for beginners - 2014 Update This video is an introduction to Node js using the latest updates to the Express.js framework. Nodejs is an amazing web framework that makes web development and engineering tons of fun. Here's some other videos: Node, MongoDB & Mongoose: https://www.youtube.com/watch?v=5e1NEdfs4is Learn Angular.js in 30 Min! - Angular Tutorial for Beginners using UI-Router http://www.youtube.com/watch?v=QETUuZ27N0w Bootstrap Tutorial For Beginners - Responsive Design with Bootstrap 3 http://www.youtube.com/watch?v=no-Ntkc836w -~-~~-~~~-~~-~- Also watch: "Responsive Design Tutorial - Tips for making web sites look great on any device" https://www.youtube.com/watch?v=fgOO9YUFlGI -~-~~-~~~-~~-~-

detail
{'title': 'Node.js tutorial for beginners 2014 - an introduction to Node.js with Express.js', 'heatmap': [{'end': 176.963, 'start': 109.806, 'weight': 0.871}, {'end': 254.294, 'start': 192.167, 'weight': 0.755}, {'end': 381.676, 'start': 370.087, 'weight': 0.712}, {'end': 418.435, 'start': 403.177, 'weight': 0.849}], 'summary': 'This tutorial covers building a web app with node.js and express.js, detailing 2014 updates, installation, and package management, setting up the server, using nodemon for automatic reload, creating routes, template rendering, http status codes, node.js routing, and resources for implementing mongodb database.', 'chapters': [{'end': 227.199, 'segs': [{'end': 38.367, 'src': 'embed', 'start': 1.129, 'weight': 0, 'content': [{'end': 8.234, 'text': 'Hey, so this screencast is going to be short, cutting you into building a web application with Node.js,', 'start': 1.129, 'duration': 7.105}, {'end': 14.238, 'text': "and we're going to be using the Express.js framework, which is kind of the most popular framework and one of the easiest to learn.", 'start': 8.234, 'duration': 6.004}, {'end': 18.081, 'text': "It's really a tremendous combination and so we're going to be getting into it.", 'start': 14.779, 'duration': 3.302}, {'end': 22.544, 'text': "I've done a video on this before and a lot of people have done some great videos on this.", 'start': 18.501, 'duration': 4.043}, {'end': 29.726, 'text': 'but Express, really here mid 2014, made some changes to where it would be really difficult to follow along to previous videos,', 'start': 22.544, 'duration': 7.182}, {'end': 31.786, 'text': "because there's just a few key things that are different.", 'start': 29.726, 'duration': 2.06}, {'end': 38.367, 'text': "so we're going to be getting into those right now in this 2014 updated video on how to get started with Node.js.", 'start': 31.786, 'duration': 6.581}], 'summary': 'Short screencast on building a web app with node.js using express.js framework, updated for 2014.', 'duration': 37.238, 'max_score': 1.129, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/FqMIyTH9wSg/pics/FqMIyTH9wSg1129.jpg'}, {'end': 84.9, 'src': 'embed', 'start': 60.55, 'weight': 3, 'content': [{'end': 67.794, 'text': "NPM comes with Node and that's basically how you install dependencies and do package management and all that stuff.", 'start': 60.55, 'duration': 7.244}, {'end': 69.435, 'text': "It's really, really, truly great.", 'start': 67.834, 'duration': 1.601}, {'end': 70.916, 'text': "So let's go ahead.", 'start': 69.475, 'duration': 1.441}, {'end': 72.076, 'text': 'We have those both there.', 'start': 70.956, 'duration': 1.12}, {'end': 72.957, 'text': "So let's get into it.", 'start': 72.136, 'duration': 0.821}, {'end': 74.258, 'text': "Let's install our first package.", 'start': 72.997, 'duration': 1.261}, {'end': 80.241, 'text': "We're going to go NPM install dash G for global express generator.", 'start': 74.278, 'duration': 5.963}, {'end': 84.9, 'text': 'This is going to get us building express apps really quick.', 'start': 81.375, 'duration': 3.525}], 'summary': "Npm is used to install dependencies and manage packages in node, such as 'express generator' for building express apps quickly.", 'duration': 24.35, 'max_score': 60.55, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/FqMIyTH9wSg/pics/FqMIyTH9wSg60550.jpg'}, {'end': 176.963, 'src': 'heatmap', 'start': 109.806, 'weight': 0.871, 'content': [{'end': 117.028, 'text': "I don't have to do that So I can actually now run Express as a command and then give myself an app name.", 'start': 109.806, 'duration': 7.222}, {'end': 121.09, 'text': "I'll just call this XP 2014 so there we go.", 'start': 117.629, 'duration': 3.461}, {'end': 131.369, 'text': "I've actually generated an app now an ExpressJS application and And you see all I have to do is go cd xp2014 and do npm install.", 'start': 121.23, 'duration': 10.139}, {'end': 136.69, 'text': "Before I do npm install though, I want to show you what's actually taken place here.", 'start': 131.949, 'duration': 4.741}, {'end': 138.31, 'text': 'Let me open this in Sublime Text.', 'start': 136.73, 'duration': 1.58}, {'end': 141.611, 'text': "Show you what they've done for us.", 'start': 140.331, 'duration': 1.28}, {'end': 146.612, 'text': "They've built out the whole application, but they haven't loaded all the dependencies yet.", 'start': 141.651, 'duration': 4.961}, {'end': 152.394, 'text': "Instead, they've just put a package.json file, which is all that we're going to check into our GitHub repo anyway.", 'start': 146.672, 'duration': 5.722}, {'end': 155.94, 'text': "And then it's just a list of the dependencies that we need.", 'start': 153.457, 'duration': 2.483}, {'end': 162.248, 'text': "You can see it's running jade for templates, which I'm not actually a huge fan of jade templates, so I'm going to redo this.", 'start': 156.561, 'duration': 5.687}, {'end': 170.881, 'text': "And then once we run npm install, you'll see that it starts adding all the dependencies into the node modules folder.", 'start': 163.029, 'duration': 7.852}, {'end': 172.301, 'text': "And now we're good to go.", 'start': 171.301, 'duration': 1}, {'end': 175.103, 'text': "It's installed express for our application locally.", 'start': 172.362, 'duration': 2.741}, {'end': 176.963, 'text': "Uh, it's installed Jade.", 'start': 175.123, 'duration': 1.84}], 'summary': 'Generated an expressjs app named xp 2014 with dependencies installed via npm.', 'duration': 67.157, 'max_score': 109.806, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/FqMIyTH9wSg/pics/FqMIyTH9wSg109806.jpg'}, {'end': 162.248, 'src': 'embed', 'start': 131.949, 'weight': 2, 'content': [{'end': 136.69, 'text': "Before I do npm install though, I want to show you what's actually taken place here.", 'start': 131.949, 'duration': 4.741}, {'end': 138.31, 'text': 'Let me open this in Sublime Text.', 'start': 136.73, 'duration': 1.58}, {'end': 141.611, 'text': "Show you what they've done for us.", 'start': 140.331, 'duration': 1.28}, {'end': 146.612, 'text': "They've built out the whole application, but they haven't loaded all the dependencies yet.", 'start': 141.651, 'duration': 4.961}, {'end': 152.394, 'text': "Instead, they've just put a package.json file, which is all that we're going to check into our GitHub repo anyway.", 'start': 146.672, 'duration': 5.722}, {'end': 155.94, 'text': "And then it's just a list of the dependencies that we need.", 'start': 153.457, 'duration': 2.483}, {'end': 162.248, 'text': "You can see it's running jade for templates, which I'm not actually a huge fan of jade templates, so I'm going to redo this.", 'start': 156.561, 'duration': 5.687}], 'summary': 'The project has a partial application with package.json, using jade templates.', 'duration': 30.299, 'max_score': 131.949, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/FqMIyTH9wSg/pics/FqMIyTH9wSg131949.jpg'}], 'start': 1.129, 'title': 'Building web app with node.js and express.js and installing node.js and using npm for package management', 'summary': 'Covers building a web app with node.js and express.js, emphasizing 2014 updates and changes made by express mid-2014, and explains installing node.js, upgrading to the latest version, using npm for package management, and installing global packages such as express generator to quickly build express apps, including adding additional dependencies like hoganjs and less middleware.', 'chapters': [{'end': 38.367, 'start': 1.129, 'title': 'Building web app with node.js and express.js', 'summary': 'Introduces building a web application with node.js and express.js, emphasizing the 2014 updated video and changes made by express mid-2014.', 'duration': 37.238, 'highlights': ['The chapter emphasizes the 2014 updated video on building a web application with Node.js and Express.js.', 'The Express.js framework is highlighted as the most popular and one of the easiest to learn for building web applications.', 'The transcript mentions the changes made by Express mid-2014, making it difficult to follow along with previous videos.']}, {'end': 227.199, 'start': 38.367, 'title': 'Installing node.js and using npm for package management', 'summary': 'Explains how to install node.js and upgrade to the latest version, use npm for package management, and install global packages such as express generator to quickly build express apps, including adding additional dependencies like hoganjs and less middleware.', 'duration': 188.832, 'highlights': ['The chapter explains how to install Node.js and upgrade to the latest version, use NPM for package management, and install global packages such as Express generator to quickly build Express apps, including adding additional dependencies like HoganJS and less middleware.', 'NPM comes with Node and is used for installing dependencies and package management.', "Installing the global package 'express generator' allows for quickly building Express apps and generating the scaffolding with the command 'npm install -g express generator'.", "The process of installing dependencies is demonstrated, including modifying the package.json file for specifying dependencies and using 'npm install' to load all the dependencies into the node modules folder."]}], 'duration': 226.07, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/FqMIyTH9wSg/pics/FqMIyTH9wSg1129.jpg', 'highlights': ['Express.js framework is highlighted as the most popular and easiest to learn for building web applications.', 'Chapter emphasizes the 2014 updated video on building a web application with Node.js and Express.js.', "The process of installing dependencies is demonstrated, including modifying the package.json file for specifying dependencies and using 'npm install' to load all the dependencies into the node modules folder.", "Installing the global package 'express generator' allows for quickly building Express apps and generating the scaffolding with the command 'npm install -g express generator'.", 'NPM comes with Node and is used for installing dependencies and package management.']}, {'end': 609.738, 'segs': [{'end': 277.532, 'src': 'embed', 'start': 248.627, 'weight': 0, 'content': [{'end': 254.294, 'text': "So now I'm running a web server and I'm running a very, very basic web application on my machine.", 'start': 248.627, 'duration': 5.667}, {'end': 259.66, 'text': 'One of the cool things about Express is it runs as the web server itself.', 'start': 255.175, 'duration': 4.485}, {'end': 269.171, 'text': "So it's really different from PHP or any of these other technologies in that it loads your whole application in memory.", 'start': 259.839, 'duration': 9.332}, {'end': 277.532, 'text': 'And then it sits as the server waiting for HTTP requests to come through and then it responds to those.', 'start': 269.907, 'duration': 7.625}], 'summary': 'Running a basic web server with express, loading application in memory and responding to http requests.', 'duration': 28.905, 'max_score': 248.627, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/FqMIyTH9wSg/pics/FqMIyTH9wSg248627.jpg'}, {'end': 369.446, 'src': 'embed', 'start': 324.546, 'weight': 1, 'content': [{'end': 325.607, 'text': 'So it runs the debugger.', 'start': 324.546, 'duration': 1.061}, {'end': 329.71, 'text': 'And then it also requires my app.js file.', 'start': 326.388, 'duration': 3.322}, {'end': 333.572, 'text': 'And then it starts up the web server listening on port 3000.', 'start': 330.17, 'duration': 3.402}, {'end': 337.854, 'text': 'If I wanted to run multiple express applications at once, I could simply change this to port 9000.', 'start': 333.572, 'duration': 4.282}, {'end': 339.795, 'text': 'Let me cancel this.', 'start': 337.854, 'duration': 1.941}, {'end': 341.155, 'text': 'Start it up again.', 'start': 340.375, 'duration': 0.78}, {'end': 343.817, 'text': 'And now I can go port 9000.', 'start': 341.176, 'duration': 2.641}, {'end': 344.877, 'text': 'And there we go.', 'start': 343.817, 'duration': 1.06}, {'end': 347.627, 'text': "We're running on port 9000.", 'start': 344.897, 'duration': 2.73}, {'end': 352.851, 'text': "You'll also notice whenever I make a change I have to cancel and reboot this application.", 'start': 347.627, 'duration': 5.224}, {'end': 356.715, 'text': "That's pretty annoying and it's going to get old really quick.", 'start': 353.332, 'duration': 3.383}, {'end': 360.638, 'text': "So there's this great utility called nodemon that we can use.", 'start': 357.435, 'duration': 3.203}, {'end': 364.581, 'text': 'You can go npm install g nodemon.', 'start': 361.358, 'duration': 3.223}, {'end': 369.446, 'text': 'which is going to monitor your folder structure for changes.', 'start': 365.683, 'duration': 3.763}], 'summary': 'Running web server on port 3000, can switch to port 9000. recommend using nodemon to monitor for changes.', 'duration': 44.9, 'max_score': 324.546, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/FqMIyTH9wSg/pics/FqMIyTH9wSg324546.jpg'}, {'end': 400.574, 'src': 'heatmap', 'start': 370.087, 'weight': 0.712, 'content': [{'end': 375.091, 'text': "And as you make file changes, it's automatically going to cancel and reload your app, which is great.", 'start': 370.087, 'duration': 5.004}, {'end': 381.676, 'text': 'So now I can go node mon and then bin www.', 'start': 375.691, 'duration': 5.985}, {'end': 383.037, 'text': 'So there you go.', 'start': 382.076, 'duration': 0.961}, {'end': 384.558, 'text': "I'm going to listen to any file changes.", 'start': 383.057, 'duration': 1.501}, {'end': 387.761, 'text': 'If I hit save, let me go ahead and hit save here.', 'start': 384.619, 'duration': 3.142}, {'end': 390.744, 'text': "And you'll notice it restarted my server.", 'start': 387.781, 'duration': 2.963}, {'end': 392.285, 'text': 'Save, save.', 'start': 391.504, 'duration': 0.781}, {'end': 400.574, 'text': 'So if I had a console log here, then it now is going to log whenever I hit File, Save.', 'start': 392.305, 'duration': 8.269}], 'summary': 'Automatic app reload on file changes using node mon and bin www.', 'duration': 30.487, 'max_score': 370.087, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/FqMIyTH9wSg/pics/FqMIyTH9wSg370087.jpg'}, {'end': 427.744, 'src': 'heatmap', 'start': 403.177, 'weight': 0.849, 'content': [{'end': 409.905, 'text': "So now we're running Nodemon, as we hit Save, it's gonna automatically restart our app, and that's gonna be a lot nicer for us.", 'start': 403.177, 'duration': 6.728}, {'end': 413.269, 'text': "So let's get into building out our Express app.", 'start': 410.345, 'duration': 2.924}, {'end': 415.732, 'text': "It's scaffolded in, it's working great.", 'start': 413.629, 'duration': 2.103}, {'end': 418.435, 'text': "Let's actually look at this app.js.", 'start': 416.693, 'duration': 1.742}, {'end': 422.819, 'text': 'Once again, www, this is just the server, has nothing to do with our application.', 'start': 418.515, 'duration': 4.304}, {'end': 427.744, 'text': "All it does is load the debugger and load in our app and now we're good to go.", 'start': 422.979, 'duration': 4.765}], 'summary': 'Using nodemon for automatic app restart, building express app.', 'duration': 24.567, 'max_score': 403.177, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/FqMIyTH9wSg/pics/FqMIyTH9wSg403177.jpg'}], 'start': 227.279, 'title': 'Building an express app', 'summary': 'Discusses building an express app, setting up the server, using nodemon for automatic app reload, and creating routes and template rendering.', 'chapters': [{'end': 277.532, 'start': 227.279, 'title': 'Running a basic web application with express', 'summary': "Discusses running a basic web application using express, highlighting the process of running the app, listening on port 3000, and express's functionality as a web server.", 'duration': 50.253, 'highlights': ['Express runs as the web server itself, loading the whole application in memory and then responding to HTTP requests.', 'Running the web application involves running the bin www file, which listens on port 3000, allowing access via localhost:3000.', 'The process demonstrates running a basic web application on the local machine using Express.']}, {'end': 609.738, 'start': 277.992, 'title': 'Building an express app', 'summary': 'Discusses building an express app, including setting up the server, using nodemon for automatic app reload, and creating routes and template rendering.', 'duration': 331.746, 'highlights': ['Using nodemon for automatic app reload The utility nodemon is introduced to automatically monitor folder structure for changes and cancel and reload the app as file changes are made.', 'Setting up the server and changing port The process of setting up the web server and changing the port number from 3000 to 9000 is described, allowing multiple Express applications to run simultaneously.', 'Creating routes and template rendering The creation of routes using router.get for responding to get requests and the use of res.render for template rendering is explained.']}], 'duration': 382.459, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/FqMIyTH9wSg/pics/FqMIyTH9wSg227279.jpg', 'highlights': ['Express runs as the web server itself, loading the whole application in memory and then responding to HTTP requests.', 'Using nodemon for automatic app reload The utility nodemon is introduced to automatically monitor folder structure for changes and cancel and reload the app as file changes are made.', 'Setting up the server and changing port The process of setting up the web server and changing the port number from 3000 to 9000 is described, allowing multiple Express applications to run simultaneously.']}, {'end': 922.886, 'segs': [{'end': 667.468, 'src': 'embed', 'start': 637.113, 'weight': 0, 'content': [{'end': 645.082, 'text': "Now it's going to always give me a 200 status or I can go a 400 and that's going to give me a 400 status.", 'start': 637.113, 'duration': 7.969}, {'end': 650.406, 'text': "So that's always going to get a 400 there or once again, 404, 500.", 'start': 646.003, 'duration': 4.403}, {'end': 655.713, 'text': "If you just give it a first argument and it's a number, then that's going to be your HTTP status.", 'start': 650.407, 'duration': 5.306}, {'end': 667.468, 'text': 'If I want to start giving it a JSON object, There we go.', 'start': 656.354, 'duration': 11.114}], 'summary': 'The transcript discusses http status codes, including 200, 400, 404, and 500, and mentions using json objects.', 'duration': 30.355, 'max_score': 637.113, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/FqMIyTH9wSg/pics/FqMIyTH9wSg637113.jpg'}, {'end': 757.277, 'src': 'embed', 'start': 725.646, 'weight': 3, 'content': [{'end': 730.81, 'text': "So there you go, my app, 33 years old, so I'm passing a title and age and you guys can figure out the rest as you go along.", 'start': 725.646, 'duration': 5.164}, {'end': 737.275, 'text': "So that's pretty much how you're going to render your templates and how you're going to send your responses.", 'start': 731.351, 'duration': 5.924}, {'end': 744.04, 'text': "And so what we've done is we've kind of built our router, we've added a get request.", 'start': 738.256, 'duration': 5.784}, {'end': 749.911, 'text': "Let's say we wanted to respond to an API post I can do post right there.", 'start': 744.08, 'duration': 5.831}, {'end': 757.277, 'text': 'And then I can access all the post variables by going rec.query.name.', 'start': 749.931, 'duration': 7.346}], 'summary': 'App age 33, implementing router, handling post requests', 'duration': 31.631, 'max_score': 725.646, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/FqMIyTH9wSg/pics/FqMIyTH9wSg725646.jpg'}, {'end': 922.886, 'src': 'embed', 'start': 886.573, 'weight': 2, 'content': [{'end': 892.302, 'text': "So if I actually did slash users here, it would not work because it'd be looking for users slash users.", 'start': 886.573, 'duration': 5.729}, {'end': 899.633, 'text': 'And that would be what happens if I namespace it to a particular routing.', 'start': 895.246, 'duration': 4.387}, {'end': 903.248, 'text': "So that's pretty much your introduction to Node.js.", 'start': 900.305, 'duration': 2.943}, {'end': 907.972, 'text': 'If I flew through too quickly, then you might just want to rewatch the video.', 'start': 903.348, 'duration': 4.624}, {'end': 909.393, 'text': 'I try to be as quick as possible.', 'start': 908.012, 'duration': 1.381}, {'end': 916.24, 'text': 'I do have another video that I will link to in the description on how to implement a MongoDB database using Mongoose.', 'start': 910.094, 'duration': 6.146}, {'end': 919.643, 'text': "And I'll also add an annotation for that somewhere around here.", 'start': 917.02, 'duration': 2.623}, {'end': 921.044, 'text': "If you're not on mobile, you'll see that.", 'start': 919.683, 'duration': 1.361}, {'end': 922.886, 'text': 'And have yourself a great day.', 'start': 921.745, 'duration': 1.141}], 'summary': 'Introduction to node.js, additional video on mongodb implementation with mongoose available in description.', 'duration': 36.313, 'max_score': 886.573, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/FqMIyTH9wSg/pics/FqMIyTH9wSg886573.jpg'}], 'start': 611.819, 'title': 'Http status codes and node.js routing', 'summary': 'Explains the use of http status codes like 200, 304, 400, 404, and 500, and introduces node.js routing, covering setting up routes, handling requests, accessing parameters, and mentions resources for implementing mongodb database.', 'chapters': [{'end': 667.468, 'start': 611.819, 'title': 'Understanding http status codes', 'summary': 'Explains how to set http status codes, including 200, 304, 400, 404, and 500, in a server response and the use of json objects for http status.', 'duration': 55.649, 'highlights': ['The chapter covers setting HTTP status codes such as 200, 304, 400, 404, and 500 in a server response.', 'It explains that providing a JSON object as an argument can also set the HTTP status.']}, {'end': 922.886, 'start': 668.549, 'title': 'Introduction to node.js routing', 'summary': 'Covers the basics of setting up routes and handling requests in node.js, including rendering templates, accessing request parameters, and handling different types of requests such as get and post, with an emphasis on the nimble and light nature of node.js. the chapter also briefly mentions further resources for learning about implementing a mongodb database using mongoose.', 'duration': 254.337, 'highlights': ['Emphasis on the nimble and light nature of Node.js None', 'Basics of rendering templates and accessing request parameters None', 'Handling different types of requests such as get and post None', 'Brief mention of further resources for learning about implementing a MongoDB database using Mongoose None']}], 'duration': 311.067, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/FqMIyTH9wSg/pics/FqMIyTH9wSg611819.jpg', 'highlights': ['The chapter covers setting HTTP status codes such as 200, 304, 400, 404, and 500 in a server response.', 'It explains that providing a JSON object as an argument can also set the HTTP status.', 'Brief mention of further resources for learning about implementing a MongoDB database using Mongoose.', 'Basics of rendering templates and accessing request parameters.', 'Handling different types of requests such as get and post.', 'Emphasis on the nimble and light nature of Node.js.']}], 'highlights': ['Express.js framework is highlighted as the most popular and easiest to learn for building web applications.', "The process of installing dependencies is demonstrated, including modifying the package.json file for specifying dependencies and using 'npm install' to load all the dependencies into the node modules folder.", "Installing the global package 'express generator' allows for quickly building Express apps and generating the scaffolding with the command 'npm install -g express generator'.", 'NPM comes with Node and is used for installing dependencies and package management.', 'Express runs as the web server itself, loading the whole application in memory and then responding to HTTP requests.', 'Using nodemon for automatic app reload The utility nodemon is introduced to automatically monitor folder structure for changes and cancel and reload the app as file changes are made.', 'Setting up the server and changing port The process of setting up the web server and changing the port number from 3000 to 9000 is described, allowing multiple Express applications to run simultaneously.', 'The chapter covers setting HTTP status codes such as 200, 304, 400, 404, and 500 in a server response.', 'It explains that providing a JSON object as an argument can also set the HTTP status.', 'Basics of rendering templates and accessing request parameters.', 'Handling different types of requests such as get and post.', 'Emphasis on the nimble and light nature of Node.js.', 'Chapter emphasizes the 2014 updated video on building a web application with Node.js and Express.js.', 'Brief mention of further resources for learning about implementing a MongoDB database using Mongoose.']}