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In React, a pure component is a component that implements the shouldComponentUpdate() lifecycle method to optimize performance by skipping unnecessary updates. Normally, when a component’s props or state changes, React will re-render the component to reflect the changes. However, this can be inefficient if the component does not actually need to be re-rendered, for example, … Read more

There are two main ways to create components in React: function components and class-based components. Function components are simple functions that accept props (short for “properties”) as an argument and return a JSX element. Here is an example of a function component that displays a greeting: Function components are a concise and easy way to … Read more

JSX (JavaScript XML) is a syntax extension for JavaScript that allows developers to write HTML-like code in their React components. It is similar to a template language, but it is actually transformed into regular JavaScript at build time and can be used within the JavaScript code of a React component. Using JSX makes it easier … Read more

Hello everyone, Today we will be discussing React. Like What is React and the features of React. React is a JavaScript library for building user interfaces. It was developed by Facebook and is often used for building single-page applications and mobile applications. One of the key features of React is the use of a virtual … Read more