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What is React?

React is an open-source Javascript library for building user interfaces maintained by Facebook, Instagram, and a community of individual corporations. React is a declarative, efficient, and flexible JavaScript library for building user interfaces.

React is used on the likes of websites of Netflix, Imgur, Buffer, Bleacher Report, Feedly, Airbnb, SeatGeek, HelloSign, Walmart.

Why React?

React makes it painless to create interactive UIs. It allows you to design simple views for each state in your application, and React will efficiently update and render just the right components when your data changes. React is component based, meaning you can build encapsulated components that manage their own state, then compose them to make complex UIs.

The benefits in a nutshell:

  • You can always tell how your component will render by looking at one source file.
  • Bundling Javascript and HTML into JSX makes components easily understandable.
  • You can render React on the server.
  • Since component logic is written in JavaScript instead of templates, you can easily pass rich data through your app and keep state out of the DOM.
  • Declarative views make your code more predictable and easier to debug.Works great for teams, strongly enforcing UI and workflow patterns
  • UI code is readable and maintainable

Componentized UI is the future of web development, and you need to start doing it now.

Learning React can be daunting. Documentation is not accessible, or good by any means. The documentation can be overwhelming to look at, much less get your head around. It may help to have development experience with an intermediate level of expertise in JavaScript, and some exposure to any server technology (J2EE, .NET, Ruby etc). There are some difficult React concepts to get your head around, such as elements, components, props, and state. Fortunately, there are easier ways to learn ReactJS.

How can I start learning it?

There are many ways you can start learning React. There are many online training courses available to learn React – one example is Zeolearn.

Zeolearn brings a full-fledged instructor-led online course that will take you from the basics to the advanced concepts of React.js and teach you the ropes of building rich internet applications using React.js, Flux and Redux. To summarise:

  • Instructor led live online classes
  • Intensive, hands on sessions for a thorough grasp of concepts
  • Training by industry experts
  • Learn to build large scale rich applications with React.js
  • Learn from the comfort of your home
  • 24 hours immersive Hands-on training sessions