Introduction to React.js | Components

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Introduction to React.js | Components

React.js is the JavaScript library for building user interfaces.
React.js consists of components and there are two main types of components.
The basic type of component is a class component which inherits from React.Component.
The second type of component is function component.
It takes parameter as input and JavaScript extension as output.

When you create a react.js file, you get a Default parent Component named APP as shown below:

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