React Js Tutorial Point

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  • React is a front-end library developed by Facebook.
  • It is used for handling the view layer for web and mobile apps.
  • ReactJS allows us to create reusable UI components.

It is currently one of the most popular JavaScript libraries and has a strong foundation and large community behind it. This tutorial will help JavaScript developers who look ahead to deal with ReactJS for the first time. We will try to introduce every concept by showing simple code examples that can be easily understood. After finishing all the chapters, you will feel confident working with ReactJS. As a bonus we will introduce additional elements that work well with ReactJS to help you learn the best practices and follow the modern JavaScript trends.

If you want to work with ReactJS, you need to have solid knowledge of JavaScript, HTML5, and CSS. Even though ReactJS doesn't use HTML, the JSX is similar so your HTML knowledge will be very helpful.

We will explain this more in one of the next chapters. We will also use EcmaScript 2015 syntax so any knowledge in this area can be helpful. ReactJS Tutorial. ReactJS Useful Resources. Selected Reading. ReactJS is JavaScript library used for building reusable UI components.


According to React official documentation, following is the definition −.

Making an Interactive Component

React is a library for building composable user interfaces.

It encourages the creation of reusable UI components, which present data that changes over time.

Lots of people use React as the V in MVC.

Inspecting the Starter Code

React abstracts away the DOM from you, offering a simpler programming model and better performance.

React can also render on the server using Node, and it can power native apps using React Native.

React implements one-way reactive data flow, which reduces the boilerplate and is easier to reason about than traditional data binding.

What Is React?

JSX − JSX is JavaScript syntax extension.

It isn't necessary to use JSX in React development, but it is recommended.

Components − React is all about components.

Setup Option 2: Local Development Environment

You need to think of everything as a component.

This will help you maintain the code when working on larger scale projects.

Unidirectional data flow and Flux − React implements one-way data flow which makes it easy to reason about your app.

Implementing Time Travel

Flux is a pattern that helps keeping your data unidirectional.

License − React is licensed under the Facebook Inc.

Documentation is licensed under CC BY 4.0.