Virtual DOM
React uses a lightweight, in-memory representation of the actual DOM.
It updates only the parts of the DOM that have changed, improving performance.
React.js (or simply React) is a JavaScript library used for building user interfaces, particularly single-page applications where fast, interactive user experiences are important.
React uses a lightweight, in-memory representation of the actual DOM.
It updates only the parts of the DOM that have changed, improving performance.
React uses JSX, a syntax extension that looks like HTML but lets you write HTML-like code inside JavaScript.
Data flows from parent components to child components in a single direction, making the app more predictable.
You describe what the UI should look like for a given state, and React handles the rendering.