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 element. First, …

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 given method …

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 substituted wit...

I have a function that checks the age of a form submission and then returns new content in a div depending on their age. Right now I am just using getElementById to replace the HTML content. BUt …

3 I want to trying adding class using javascript, I know there is a lot of topic about this in stackoverflow but some of them is too complicated for me to understand, let say I have this simple code this is …

Add Class to Object on Page Load Asked 14 years, 9 months ago Modified 8 years, 2 months ago Viewed 148k times

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

Nov 4, 2014 · I'm looking for a fast and secure way to add and remove classes from an html element without jQuery. It also should be working in early IE (IE8 and up).

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 used to …

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 order to check if …