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.

How to Change Image on Hover with JavaScript How to Disable Button by Class Name in JavaScript How To Change Image Size with JavaScript How to change Image opacity with JavaScript How to Change image src on click with JavaScript How to get the lang attribute value in JavaScript How to Get attribute Value using JavaScript How To Check if Attribute Exists or not with JavaScript How To Count number of links on Page with JavaScript How To Scroll Page to Bottom using JavaScript How To Detect Shift Key Press with JavaScript Change Text Color On Hover with JavaScript Hide and Show div using JavaScript Get Button text with JavaScript Get textarea value with JavaScript Get table row Height with JavaScript Auto Increase width of input field with JavaScript Set Textarea maxLength with JavaScript Set Textarea Value with JavaScript JavaScript Count list items JavaScript set input field value Count Button Clicks with JavaScript Scroll Page to the Top on Click with JavaScript Change id of Element with JavaScript JavaScript Change li Text Color