Nov 28, 2016 · element.classList.remove("my-class"); If you need to support Internet Explorer 9 or lower: Add a space plus the name of your new class to the className property of the …

How can I change the class of an HTML element in response to an onclick or any other events using JavaScript?

3 ways to add a class to a DOM element in JavaScript There are multiple ways of doing this. I will show you three ways to add classes and clarify some benefits of each way. You can use any …

Since element.className property is of type string, you can use regular String object functions found in any JavaScript implementation: If you want to add a class, first use String.indexOf in …

Suppose a HTML element's id is known, so the element can be refereced using: document.getElementById(element_id); Does a native Javascript function exist that can be …

Tener en cuenta que lo que tienes es una clase y no un id para que identifique a tu elemento, retornará un arreglo al hacer getElementsByClassName por eso el uso del for. Con JavaScript …

Cross Platform if possible, how can I select classes in Javascript (but not Jquery please -MooTools is fine though-) on code that I can't add an ID? Specifically, I want to add the class …

Learn how to trigger an event when a class changes in JavaScript with practical examples and solutions.

How to add class to parent in javascript? Asked 9 years ago Modified 8 years ago Viewed 54k times

I am writing some vanilla JavaScript to create a nice navigation menu. I am stuck on adding an active class. I am getting elements by class name NOT by id. The below code works if …