Clear Thinking in Data, Cloud, and AI

To remove a class from an element, you use the remove() method of the classList property of the element.

Suppose you have a <div> element as follows:

<div class="primary visible info">Item</div>

To remove the visible class from the div element, you use the following code:

const div =  document.querySelector('div');
div.classList.remove('info');

The remove() method also allows you to remove multiple classes at once, like this:

const div = document.querySelector('div');
div.classList.remove('info','primary');

Here is another example using jQuery selector;

Let’s say we have these classes;

 <span class="position-absolute top-0 start-100 translate-middle badge rounded-pill bg-danger" id="spanCount">
    99+
    <span class="visually-hidden">unread messages</span>
 </span>

We are going to select span HTML element with an id of “spanCount”. We will remove badge rounded-pill and bg-danger classes;

const spanElement = $("span#spanCount");
console.log(spanElement)
$("span#spanCount").removeClass("badge rounded-pill bg-danger");

Sources

jQuery selectors

Add, Remove classes

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