React Online Compiler
🌐 React Online Compiler / Playground If you want to write, run, and test React code online without setting up a local environment, you can use React online compilers or playgrounds. These are great...
Category: React Hooks
Hooks allow functions to have access to state and other React features without using classes.
They provide a more direct API to React concepts like props, state, context, refs, and lifecycle.
React Custom Hooks
🧩 React Custom Hooks Custom Hooks are JavaScript functions that start with use and allow you to reuse stateful logic across multiple components.They let you extract common logic from components into reusable functions, keeping...
React useMemo Hook
🧠 React useMemo Hook The useMemo Hook is used to memoize expensive computations in React, so they are recomputed only when dependencies change.It helps optimize performance by avoiding unnecessary recalculations on every render. 🛠...
React useCallback Hook
⚡ React useCallback Hook The useCallback Hook is used to memoize functions in React so that they don’t get recreated on every render.It is mainly used for performance optimization, especially when passing functions to...
React useReducer Hook
⚙️ React useReducer Hook The useReducer Hook is an alternative to useState — useful when you have complex state logic or when multiple states depend on each other. It is commonly used for: ✔...
React useRef Hook
🎯 React useRef Hook The useRef Hook is used to store a mutable value that does NOT cause re-renders when updated.It can also be used to access DOM elements directly, similar to document.getElementById() in...
React useContext Hook
🌍 React useContext Hook The useContext Hook allows you to use global state across your React app without passing props manually through multiple components (called prop drilling). It is used with the React Context...
React useEffect Hooks
🔥 React useEffect Hook The useEffect Hook allows you to perform side effects in functional components. 📌 A side effect is anything that happens outside the normal UI rendering, such as: Fetching API data...
React useState Hook
🔹 React useState Hook The useState Hook allows you to add state to functional components.State is data that can change over time and causes the component to re-render when updated. ✅ Importing useState
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What Are React Hooks?
🧠 What Are React Hooks? React Hooks are special functions that allow you to use React state, lifecycle methods, and other features inside functional components — without needing class components. Hooks were introduced in...