Using JSX in React: A Step-by-Step Guide

Published on : May 14,2023
Using JSX in React: A Step-by-Step Guide

Here's an article on using JSX in React:

React is a powerful library for building user interfaces in JavaScript. One of the most popular features of React is JSX, which allows you to write HTML-like syntax directly in your JavaScript code. In this article, we'll explore how to use JSX in React and create dynamic web pages.

 

Step 1: Create a new React project

To get started, let's create a new React project using create-react-app. Open your terminal and run the following command:

npx create-react-app opencodesolution-jsx

This will create a new React project in a directory called opencodesolution-jsx. Navigate into the new directory by running:

cd opencodesolution-jsx

 

Step 2: Create a new React component

Next, let's create a new React component called JSXExample. Open the src/App.js file and replace its contents with the following code:

import React from 'react';

function JSXExample() {
  const name = 'OpenCodeSolution';
  const element = <h1>Hello, {name}!</h1>;

  return element;
}

export default JSXExample;

In this code, we've created a new React component that uses JSX syntax to create a new element with the variable name interpolated into it.

 

Step 3: Render the JSXExample component

Finally, let's render the JSXExample component inside the App component. Open the src/index.js file and replace its contents with the following code:

import React from 'react';
import ReactDOM from 'react-dom';
import JSXExample from './App';

ReactDOM.render(
  <React.StrictMode>
    <JSXExample />
  </React.StrictMode>,
  document.getElementById('root')
);

This code renders the JSXExample component inside the React.StrictMode component and mounts it to the root element in the HTML document.

 

Step 4: Run the React application

To run the React application, open your terminal and run the following command:

npm start

 

This will start a development server and open the application in your default browser. You should see the text "Hello, OpenCodeSolution!" rendered in the browser.

Congratulations, you have successfully used JSX in React! With this technique, you can easily write HTML-like syntax in your JavaScript code and create dynamic web pages.

Categories : React

Tags : JavaScript web development react frontend development jsx dynamic web pages react components

Praful Sangani
Praful Sangani
I'm a passionate full-stack developer with expertise in PHP, Laravel, Angular, React Js, Vue, Node, Javascript, JQuery, Codeigniter, and Bootstrap. I enjoy sharing my knowledge by writing tutorials and providing tips to others in the industry. I prioritize consistency and hard work, and I always aim to improve my skills to keep up with the latest advancements. As the owner of Open Code Solution, I'm committed to providing high-quality services to help clients achieve their business goals.


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