What Is useRef Hook? The useRef hook allows you to access DOM elements directly or store mutable values that persist across renders without causing re-renders. Basic Syntax const refContainer =…

What Is useEffect Hook? The useEffect hook allows functional components to perform side effects such as: Fetching data Updating the DOM Subscribing to events Timers and intervals It replaces lifecycle…

What Is useState Hook? The useState hook allows functional components in React to have state. It replaces the need for class components when managing data that changes over time. Basic…

Hooks are functions introduced in React 16.8 that allow you to use state and lifecycle features in functional components without using class components. Common React Hooks 1. useState Manages local…

Forms in React are typically handled using controlled components, where form inputs are bound to state. This allows React to fully control form data. Controlled Components Example import React, {…

Lists in React are created by using JavaScript’s map() function to iterate over an array and render components dynamically. Example: const numbers = [1, 2, 3, 4, 5]; const listItems…

Conditional rendering in React allows you to render different UI elements based on certain conditions, like state or props values. Using if Statement function Greeting(props) { const isLoggedIn = props.isLoggedIn;…

Handling Events in React In React, handling events is similar to HTML, but there are some key differences: Event names are written in camelCase You pass a function instead of…

Lifecycle methods are special functions in React class components that run at specific stages of a component’s life.They allow developers to control behavior during mounting, updating, and unmounting. Lifecycle Phases…

State is a built-in object in React used to store dynamic data in a component. Unlike props, state is local and can change over time. State determines how the UI…