jQuery removeClass() but not certain classes

Question

How can I do remove all classes from an element except certain classes. I'm assuming we can't use not with removeClass(). Let say I have a <div class="aa bb cc dd ee ff"></div> and I want to remove all classes except aa dd. How can I do this.

Answer 1

Why don't you just replace the class attribute with the classes that you want like so

$('#yourElement').attr('class',"aa dd");