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JSX: Creating Reusable UI Components with JSX and React

6 min readApr 19, 2023
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JSX is a JavaScript syntax extension that allows you to write markup right in your JavaScript code. It was designed by Facebook to be used with their popular React library, and it has since become a common tool for developing dynamic and data-driven user interfaces in web applications. In this article, we will take a look at the advantages of using JSX in React projects, as well as some tips and best practices for making the most of this powerful technology.

What is JSX?

JSX is a shorthand for JavaScript XML. It’s a JavaScript syntax extension that lets you create XML-like syntax in your code, which later will be transformed into standard JavaScript code via a build tool like Babel. JSX is basically a method of writing HTML-like syntax in JavaScript code, allowing you to describe the content and attributes of your user interface elements in a more expressive and flexible way.

How does JSX work?

JSX looks like HTML, but it is not the same. JSX is essentially simply syntactic sugar for function calls. When you write JSX, you are essentially constructing a JavaScript object that represents the component you are defining.

Here is an example of how JSX works:

import React from 'react';

function App() {…

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Carolina Ramirez
Carolina Ramirez

Written by Carolina Ramirez

Frontend Developer | Tech writer and enthusiast | Always learning, always improving

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