How to add new div on button click in react js?

Hi Friends 👋,

Welcome To aHoisting!

To add new div on button click in react js, you can use setDivs([...divs, <div key={divs.length}>New Div {divs.length + 1}</div>]);. It will add new div on button click in react js.

Today, I am going to show you, how to add new div on button click in react js.

Table of contents

• Install and create a new React app.
• Import react component.
• Create a Component.

Let’s start with the first step.

Step 1: Install and create a new React app.

First you have to install the React project. You should use create-react-app command to create a new React project.

npx create-react-app my-app
cd my-app
npm start

Step 2: Import react component.

After installing, you have to import your React component.

import React, { useState } from "react"; 

Step 3: Create a Component.

You can use setDivs([...divs, <div key={divs.length}>New Div {divs.length + 1}</div>]); to add new div on button click in react js.

<div>
   <button onClick={addDiv}>Add Div</button>
      <div>
        {divs.map((div, index) => (
        <React.Fragment key={index}>{div}</React.Fragment>
    ))}
  </div>
</div>

Add new div on button click example.

The below code is an example of a React. You have to import react and set setDivs([...divs, <div key={divs.length}>New Div {divs.length + 1}</div>]); to add new div on button click in react js.

App.js

import React, { useState } from "react";

function App() {
  // Step 1: Set up state to hold an array of divs
  const [divs, setDivs] = useState([]);

  // Step 2: Handle button click to add a new div
  const addDiv = () => {
    setDivs([...divs, <div key={divs.length}>New Div {divs.length + 1}</div>]);
  };

  return (
    <div>
      <button onClick={addDiv}>Add Div</button>

      {/* Step 3: Render the divs */}
      <div>
        {divs.map((div, index) => (
          <React.Fragment key={index}>{div}</React.Fragment>
        ))}
      </div>
    </div>
  );
}

export default App;

In the above code example, I have used the setDivs([...divs, <div key={divs.length}>New Div {divs.length + 1}</div>]); to add new div on button click in react js.

Check the output of the above code.

All the best 👍