React is a JavaScript library for building user interfaces. React is used to build single-page applications. React allows us to create reusable UI components. Start learning React now

React.js cheatsheet React is a JavaScript library for building user interfaces. This guide targets React v15 to v16.

React Components Components are independent and reusable bits of code. They serve the same purpose as JavaScript functions, but work in isolation and return HTML. Components come in two …

React limits the number of renders to prevent an infinite loop. Typically, this means that you’re unconditionally setting state during render, so your component enters a loop: render, set state (which …

2 days ago · JSX is a powerful syntax extension in React that makes writing and managing UI components easier and more readable. It lets developers write HTML-like code directly inside …

What is React Router? React Router is a library that provides routing capabilities for React applications. Routing means handling navigation between different views. React Router is the standard routing …

The React useState Hook allows us to track state in a function component. State generally refers to data or properties that need to be tracking in an application.

In React, form elements like <input>, <textarea>, and <select> work a bit differently from traditional HTML. In standard HTML, form elements maintain their own value based on user input.

Jul 23, 2025 · To write comments in React for JavaScript code, like functions and classes, we will be using JavaScript comments. We can use single-line as well as multiline comments using JavaScript.

Feb 21, 2026 · Description Let's decompose a traditional anonymous function down to the simplest arrow function step-by-step. Each step along the way is a valid arrow function. Note: Traditional …