Remove Class from HTML Tag OnClick JavaScript

In this tutorial we will see How To Remove Class from HTML Tag OnClick in JavaScript. HTML DOM classList Property and remove() Method can be used to remove the class from HTML Tag.

HTML DOM classList Property

The HTML DOM classList Property returns the names of all Classes of HTML tag.

In this example classList Property is used to get all classes of the selected HTML tag. Then we can remove any particular class from that HTML tag.

HTML DOM remove() Method

The HTML DOM remove() Method removes the specific HTML element or node from the DOM.

In this example remove() Method is used to remove particular class from HTML tag.

HTML Code

HTML Code is given below, In this code we have one button element and a paragraph element with class named 'text' and id named 'main-text'.

<!DOCTYPE html>
<html>
<head>
    <title>Remove Class from HTML Tag OnClick JavaScript</title>
    <style>
      .text {color: red;}
    </style>
</head>
<body>
  <p id='main-text' class="text">Click on Button to Remove my Class.</p>
  <button onclick="removeClass()">Click Me!</button>       
</body>
</html>

JavaScript Code

Take a look at the JavaScript code, we have a function named removeClass(), which will be executed once onclick event occurs for the button tag.

In the function, getElementById() method is used to select the paragraph tag, then classList() method is used to get it's class. This class is then removed using remove() method.

<script>
function removeClass()
{
 var e = document.getElementById("main-text");
 e.classList.remove("text");
}
</script>

Demo

Video Tutorial

Watch video tutorial on How To Remove Class from HTML Tag with JavaScript OnClick.

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