Steps to create React Project

Step 1: Use this command in the terminal to initialize a react project.

npx create-react-app project_name

Step 2: After creating your react project move into the folder to perform different operations.

cd project_name

How to pass a parameter to an event handler or callback ?

In React, to pass a parameter to an event handler or callback simply means to execute that function or code when the event is triggered. It links the events to the respective functions.

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Prerequisites:

React JS Event Handlers React JS Class Component...

Approach

We will define a function to create a window alert and link it to the click event using an event handler. When the event triggers the corresponding function will be executed creating an alert on the browser screen....

Steps to create React Project

Step 1: Use this command in the terminal to initialize a react project....

Project Structure:

Example 1:This example uses an event handler that sends a Welcome message i.e. Alert whenever you click the button....