Change An Element's Class With JavaScript
Here we consider how to Change An Element's Class With JavaScript.
In JavaScript, we can select an element by using document.getElementById("Id").
For Adding a class in JavaScript, we can make use of className.
For Removing a class In JavaScript, we can make use of className.replace.
Here is an example. Lets consider a div with ID divID.

By using className and className.replace, we can Change An Element's Class.
In Jquery, we can make use of addClass and removeClass for Changing the Class.
Adding a Class in Jquery can be done as follows.
$('#divID').addClass('ClassName')
Removing a Class in Jquery can be done as follows.
$('#divID').removeClass('ClassName')