Using JSX and React #React #reactjs #javascript #Framework #programming

Using JSX and React  #React #reactjs #javascript #Framework #programming

  • Form creation is easy with JSX and sub-components, for example: – – To make this work, you must create the sub-components as attributes of the main component: – – To use some JavaScript to create a result for use in an attribute value, React just needs you to wrap it…
  • _disconnectFrom(userId); self.emit(events.DISCONNECT, userId); console.log(‘User disconnected’, userId); }); }); console.log(‘Connecting with username’, username); this.peer = new Peer(username, { host: location.hostname, port: 9000, path: ‘/chat’ }); this.peer.on(‘open’, function (userId) { self.setUsername(userId); }); this.peer.on(‘connection’, function (conn) { self.
  • First we use to establish signalling of a new user connected via the as so: – – js ChatServer.prototype.connect = function (username) { var self = this; this.setUsername(username); this.socket = io(); this.socket.on(‘connect’, function () { self.socket.on(events.CONNECT, function (userId) { if (userId === self.getUsername()) { return; } self.
  • _connectTo(userId); self.emit(events.CONNECT, userId); console.log(‘User connected’, userId); }); – – Then, to connect to the PeerServer, we use the following: – – We then listen for events via the method: – – We also have our JSX inside components in the directory.
  • Now it’s as simple as pushing your code to heroku: – – Once the push is finished, you will be able to start your web service with the following: – – Now just visit the URL provided, or as a shortcut use the command as so: – – You’ve learned…

What You’ll Be CreatingJSX is similar to a mix of XML and HTML. You use JSX within React code to easily create components for your apps. JSX transforms into JavaScript when React compiles the…
Continue reading “Using JSX and React #React #reactjs #javascript #Framework #programming”

React.js Overview via Alex Azarov  #webdev

React.js Overview via Alex Azarov  #webdev

  • Comparing React.js with Angular or other MVC frameworks makes no sense since React is just a representation.
  • Thus, a = b + c, and A will always depend on the values of B an C. – – React constantly works with the DOM, re-rendering it when conditions change (the part of the DOM that is changed by React.js is called a component).
  • Prior to React, such a practice would have seriously affected the application’s performance, but the developers of React.js approached this problem quite radically: they completely rewrote the DOM in JavaScript.
  • An important feature of React.js is the use of JSX.
  • There exist other extensions for React.js, however, considering the “weight” of the framework, their use should be minimized.

A discussion of the React.js web development framework, the pros and cons of this development tool, and who would be best suited using React in their projects.
Continue reading “React.js Overview via Alex Azarov  #webdev”

The Beginner’s Guide to ReactJS from @kentcdodds on @eggheadio

The Beginner's Guide to ReactJS - #react course by @kentcdodds

  • This course is for React newbies and those looking to get a better understanding of React fundamentals.
  • With a focus on React fundamentals, you’ll come out of this course knowing what problems React can solve for you and how it goes about solving those problems.
  • Each lesson in this course is just a single file which will help you keep your focus on learning React and not distracted by all the tools that make production applications work.
  • The course wraps up with a lesson on how to move from these files to a more production ready development environment and even how to deploy your app to a great service like Netlify.

This course is for React newbies and those looking to get a better understanding of React fundamentals. With a focus on React fundamentals, you’ll come out of this course knowing what problems React can solve for you and how it goes about solving those problems. You will have a good grasp on what JSX is and how it translates to regular JavaScript function calls and objects.
Each lesson in this course is just a single index.html file which will help you keep your focus on learning React and not distracted by all the tools that make production applications work. The course wraps up with a lesson on how to move from these index.html files to a more production ready development environment and even how to deploy your app to a great service like Netlify.
Enjoy!
Continue reading “The Beginner’s Guide to ReactJS from @kentcdodds on @eggheadio”

Ext JS to React: Class Instantiation and Code Style

  • Ext JS components are really just JavaScript functions which allow you to use the keyword: – – This means each class is native JavaScript.
  • Meaning, JSX enables you to outline not only the HTML and React component structure, but also call other JavaScript functions or even execute code statements right from within the JSX body.
  • Here is an example functional React component: – – This code sample highlights one of the major differences between Ext JS and React.
  • JSX is a very common strategy when creating React components.
  • Instead, each component is instantiated by React itself when you include the component class in returned JSX (i.e. in the example above).

React enjoys the benefits of the latest ECMAScript conventions (with some transpiling magic from Babel) along with JSX syntax. In the following sections, we will look at how Ext JS components are instantiated along with how a functional component is used in a React app. We’ll also review common coding styles that differ between the two ecosystems. Just a note before we proceed, this blog post aims to discuss how React components are created and used, but doesn’t wade into the various ways components may be defined initially. We’ll dedicate our next blog post in the series to the topic of defining React components.
Continue reading “Ext JS to React: Class Instantiation and Code Style”

The Beginner’s Guide to ReactJS from @kentcdodds on @eggheadio

The Beginner's Guide to ReactJS - #react course by @kentcdodds

  • This course is for React newbies and those looking to get a better understanding of React fundamentals.
  • With a focus on React fundamentals, you’ll come out of this course knowing what problems React can solve for you and how it goes about solving those problems.
  • Each lesson in this course is just a single file which will help you keep your focus on learning React and not distracted by all the tools that make production applications work.
  • The course wraps up with a lesson on how to move from these files to a more production ready development environment and even how to deploy your app to a great service like Netlify.

This course is for React newbies and those looking to get a better understanding of React fundamentals. With a focus on React fundamentals, you’ll come out of this course knowing what problems React can solve for you and how it goes about solving those problems. You will have a good grasp on what JSX is and how it translates to regular JavaScript function calls and objects.
Each lesson in this course is just a single index.html file which will help you keep your focus on learning React and not distracted by all the tools that make production applications work. The course wraps up with a lesson on how to move from these index.html files to a more production ready development environment and even how to deploy your app to a great service like Netlify.
Enjoy!
Continue reading “The Beginner’s Guide to ReactJS from @kentcdodds on @eggheadio”

Using JSX and React #React #reactjs #javascript #Framework #programming

Using JSX and React  #React #reactjs #javascript #Framework #programming

  • Form creation is easy with JSX and sub-components, for example: – – To make this work, you must create the sub-components as attributes of the main component: – – To use some JavaScript to create a result for use in an attribute value, React just needs you to wrap it…
  • _disconnectFrom(userId); self.emit(events.DISCONNECT, userId); console.log(‘User disconnected’, userId); }); }); console.log(‘Connecting with username’, username); this.peer = new Peer(username, { host: location.hostname, port: 9000, path: ‘/chat’ }); this.peer.on(‘open’, function (userId) { self.setUsername(userId); }); this.peer.on(‘connection’, function (conn) { self.
  • First we use to establish signalling of a new user connected via the as so: – – js ChatServer.prototype.connect = function (username) { var self = this; this.setUsername(username); this.socket = io(); this.socket.on(‘connect’, function () { self.socket.on(events.CONNECT, function (userId) { if (userId === self.getUsername()) { return; } self.
  • _connectTo(userId); self.emit(events.CONNECT, userId); console.log(‘User connected’, userId); }); – – Then, to connect to the PeerServer, we use the following: – – We then listen for events via the method: – – We also have our JSX inside components in the directory.
  • Now it’s as simple as pushing your code to heroku: – – Once the push is finished, you will be able to start your web service with the following: – – Now just visit the URL provided, or as a shortcut use the command as so: – – You’ve learned…

What You’ll Be CreatingJSX is similar to a mix of XML and HTML. You use JSX within React code to easily create components for your apps. JSX transforms into JavaScript when React compiles the…
Continue reading “Using JSX and React #React #reactjs #javascript #Framework #programming”

React.Fragment and Semantic HTML

  • HTML is the backbone of the web and the code you write should be semantic.
  • You can’t do this – – You have to wrap the headings in a containing element – – Because of the necessary containing element, I’ve peeped a lot of code in the last year that when rendered looks like this: – – Because the components that rendered the above HTML…
  • We often ignore the generated HTML in favour of the cute component display we get with React Developer Tools.
  • One of the features that React 16 gave us was the ability to render an array of components without a containing element.
  • But… it doesn’t feel like HTML, and I don’t want to have to put all my elements in an array just to get them to render!

HTML is the backbone of the web and the code you write should be semantic. Writing React is not an excuse to forget this.
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Vue.js vs. React.js: Comparing Two JavaScript UI Component Libraries

  • At a time where large MVC (model-view-controller) frameworks were cutting edge, two-way data binding was considered a feature, and SSR was mostly used for static webpages, React reversed the trend, focusing on building applications from encapsulated view components, one-way data binding, and using SSR on dynamic web pages via the…
  • Dependency tracking gives Vue’s virtual DOM a slight edge over React out of the box, because it can selectively re-render the child components that are actually affected by a change in state by default — no additional coding required.
  • In React, JSX breaks with the convention of keeping JavaScript and HTML separate, by providing a declarative XML-like syntax that allows you to create self-contained UI components that encapsulate all the instructions required to render them within the view: – – The React code above will render into a simple…
  • Under the React umbrella, we have Flux, the application architecture pattern Facebook developed as a state management solution to avoid issues like the infamous phantom unseen message bug, and Redux, a framework agnostic library for providing a simplified implementation of the Flux pattern, which replaces MVC (model-view-controller).
  • Both Vue and React are cutting edge UI component libraries that make use of a virtual DOM, embrace the components based future of web development, support SSR, and Universal JavaScript.

In this article, we’ll explore some of the key differences between the React.js and Vue.js JavaScript libraries, and learn which might be the best fit for your next web project.
Continue reading “Vue.js vs. React.js: Comparing Two JavaScript UI Component Libraries”

The Beginner’s Guide to ReactJS from @kentcdodds on @eggheadio

Learning The Beginner’s Guide to ReactJS from the man himself, @kentcdodds.  @utjs @octanner

  • This course is for React newbies and those looking to get a better understanding of React fundamentals.
  • With a focus on React fundamentals, you’ll come out of this course knowing what problems React can solve for you and how it goes about solving those problems.
  • Each lesson in this course is just a single file which will help you keep your focus on learning React and not distracted by all the tools that make production applications work.
  • The course wraps up with a lesson on how to move from these files to a more production ready development environment and even how to deploy your app to a great service like Netlify.

This course is for React newbies and those looking to get a better understanding of React fundamentals. With a focus on React fundamentals, you’ll come out of this course knowing what problems React can solve for you and how it goes about solving those problems. You will have a good grasp on what JSX is and how it translates to regular JavaScript function calls and objects.
Each lesson in this course is just a single index.html file which will help you keep your focus on learning React and not distracted by all the tools that make production applications work. The course wraps up with a lesson on how to move from these index.html files to a more production ready development environment and even how to deploy your app to a great service like Netlify.
Enjoy!
Continue reading “The Beginner’s Guide to ReactJS from @kentcdodds on @eggheadio”

Articles On- Rise of #ReactJS #Development in 2018 – React JSX

Articles On- Rise of #ReactJS #Development in 2018 - React JSX

  • With React JSX it becomes extremely easy to code UI test cases due to its Virtual DOM system which is implemented in the JSX.
  • Also, with the help of React JSX you can use and reuse components throughout the applications.
  • The implementation of JSX provides a number of advantages through React which make it such a powerful tool for User Interface creation.
  • JSX is one of the unique features of React which is making it so popular.
  • It is evident that using JSX through React does not only provide various advantages but the changeover from other UI development platform like HTML to JSX is extremely easy and convenient.

React.js is what you need to develop mobile apps with awesome UI/UX. Learn React.js development whole process by industry experts to make your dream project.
Continue reading “Articles On- Rise of #ReactJS #Development in 2018 – React JSX”