How to count the number of times a button is clicked using JavaScript ?

At times, it becomes necessary to monitor the number of times a user clicks a button. In this article, we are going to learn how to count the number of times a button is clicked using JavaScript

Below are the approaches to count the number of times a button is clicked using JavaScript

Using the onClick()

First, we will create an HTML button and a paragraph element where we display the button click count. When the button is clicked, the JavaScript function is called. We declare a count variable and initialize it to 0. When the user clicks the button, the count value increases by 1 and displays on the screen.

Example: This example shows the number of times a button is clicked.

Output:

Using addEventListener()

The addEventListener() is an inbuilt function in JavaScript which takes the event to listen for, and a second argument to be called whenever the described event gets fired.

Example: In this example, we will see the use of addEventListener() for tracking a button click:

Output:

Using a Closure

A closure is a feature of JavaScript that allows inner functions to access the outer scope of a function. 

Example: In this example, we will see the use of closure for tracking the button count.

Output: