Add Class to HTML Tag On Click Using Jquery

In this tutorial we will see how to Add Class to HTML Tag On Click Using Jquery. The jQuery addClass() method are used for this purpose.

HTML Code

HTML Code is given below, This code contains HTML paragraph element and a button element.

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Add Class to HTML Tag On Click Using Jquery</title>
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>  
</head>
<body>
<p id="main">Add Class using JQuery!</p>
<button>Add Class</button>
</body>
</html>

CSS Code

CSS Code is given below, In this code we have defined CSS properties for our class 'text', which will be added to html tag using Jquery.

.text
 { background-color: blue;
   color: white;
   padding: 20px 10px;
 }

jQuery addClass() Method

The jQuery addClass() Method is used to add one or more classes to the selected html element.

This method doesn't remove the existing class from the html element, it simply adds more classes.

JQuery Code

JQuery Code is given below, In this code jQuery addClass() Method will add the new class to the paragraph element.

This is done on click event, which occurs when the button is clicked.

Take a look at the code given below.

<script>
$( "button" ).click(function() {
  $('#main').addClass('text');
});
</script>

Demo

Video Tutorial

Watch video tutorial on how to Add Class to HTML Tag On Click Using Jquery.

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