React JSX for Beginners: How to Build Dynamic Components

Introduction

One of the main components of React, a popular JavaScript library for creating user interfaces, is JSX, a syntactic extension that enables you to express HTML-like elements in your JavaScript code. This article will assist you in starting to construct dynamic, responsive components if you are new to React and JSX.

Let’s look into JSX’s operation first. A transpiler like Babel transforms (converts) JSX into JavaScript when it is used in a React component. Here is an illustration of a straightforward React component created with JSX:

import React from 'react';

function Greet(props) {
  return <h1>Good afternoon, {props.name}</h1>;
}

export default Greet;

The ‘Greet’ function in this example is a fundamental React component that accepts a single ‘props’ (short for ‘properties’) object as an input. The return statement’s JSX is translated to JavaScript, which appears as…