What is react js? What is props? What is useRef hook and use context hook

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Accepted Answer

React JS is a JavaScript library for building user interfaces.

React JS is a declarative, efficient, and flexible JavaScript library.
It allows developers to build reusable UI components.
React uses a virtual DOM to efficiently update and render components.
Props are used to pass data from a parent component to a child component.
Props are read-only and cannot be modified by the child component.
useRef hook is used to create a mutable reference that persists across component renders.
It can be used to access DOM elements or store mutable values.
useContext hook is used to access the value of a context created by the useContext API.
It allows components to consume context without wrapping them in a context consumer.

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