JSX ( JavaScript XML)
JSX stands for JavaScript XML. It is a syntax extension for JavaScript, often used with React to describe what the UI should look like. JSX may remind you of a template language, but it comes with the full power of JavaScript.
Syntax
const element = (
<div>
<h1>Hello, world!</h1>
<p>This is a JSX element.</p>
</div>
);
Features of JSX
- Embedding Expressions: JSX allows embedding JavaScript expressions within curly braces, that enable dynamic content rendering.
- Components: JSX supports the creation of reusable components, facilitating modular development and code organization.
- Conditional Rendering: JSX supports conditional rendering through JavaScript expressions, allowing components to render different content based on conditions.
Example: Illustration of JSX code.
Javascript
import React from 'react' ; // Pure JSX component const JSXComponent = () => { const greeting = 'Hello, JSX!' ; return ( <div> <h1>{greeting}</h1> <p>This is a pure JSX component.</p> </div> ); }; export default JSXComponent; |
Output:
How does JSX differ from HTML ?
JSX, a syntax extension for JavaScript, allows the creation of user interfaces similar to HTML but within JavaScript. Unlike HTML, JSX enables the embedding of JavaScript expressions and facilitates the creation of reusable components, promoting a more dynamic and efficient approach to web development.
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