How to add alert in react js?

Hi Friends 👋,

Welcome To aHoisting!

To add alert in react js, you can use window.alert. It will add alert in react js.

Today, I am going to show you, how to add alert 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. To do this, add the following line to the top of your component file.

import React from 'react';

Step 3: Create a Component..

you can use onClick={showAlert} and add alert in react js.

<div>
  <button onClick={showAlert}>Show Alert</button>
</div>

Define the add alert example.

The below code is an example of a React. You have to import React. and use window.alert to add alert in react js.

App.js

import React from 'react';

const App = () => {
  const showAlert = () => {
    window.alert('This is an alert message! aHoisting');
  };

  return (
    <div>
      <button onClick={showAlert}>Show Alert</button>
    </div>
  );
};

export default App;

In the above code example, I have used the window.alert attribute and add alert in react js.

Check the output of the above code example.

All the best 👍