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Articles tagged with #javascript
What is an API ?(Application Programming Interface) An API is a bridge that allows two programs or services to talk to each other by sending and receiving structured data (usually JSON). In MERN: Backend (Node.js + Express + MongoDB) provides the ...
Intoduction To React Router DOM React Router is a popular library for handling navigation in React applications. It enables SPA (Single Page Application) that update the UI without reloading the page. Installations and Basic setup 1. Install react...
Lazy Loading, Server-Side Rendering (SSR) vs Client-Side Rendering (CSR), and SEO Performance in React 🚀
State State is a built-in object in React components that stores dynamic data. State is mutable (can be changed using setState or useState). Changing state re-renders the component. Props Props (short for “Properties”) are used to pass data ...
Class Components vs Functional Components Class Components (older appraoch to write reactJS code) Require ES6 class syntax. Use this.state and this.setState() to manage state. Have lifecycle methods (componentDidMount, componentDidUpdate, etc.). ...
React hooks are the special functions introduced in React 16.8 that let you use state and other React features without using class component - Some of the popular react hooks like - useState(), useEffect() , useContext(). useState() The useState ho...