What is React? What is its advantages and disadvantages?

1. What is React?

• It is a front-end Javascript library developed by Facebook in 2011
• It uses the component based approach which helps in building reusable UI components

2. What are features of React?

• It uses virtual DOM
• It uses server-side rendering (this is a technique for rendering a client-side single page application on the server and then sending a fully rendered paged to the client)
• It follow uni-directional data flow or data binding (state is passed to the view and child components)

3. What are some major advantages of React?

• It increases the application’s performance
• It can be conveniently used on the client as well as server side
• It is easy to integrate with other frameworks like Meteor, Angular, etc.
• Writing UI test cases become extremely easy

4. What are some limitations of React?

• It is just a library, not a full-blown framework
• It is a large library and takes time to understand
• Coding gets complex as it uses inline templating and JSX