How to remove class attribute from div?

Question

I am using JavaScript and I want to add/remove a Class attribute if a button is clicked. I am able to add the class, but I don\'t know how to remove it. how can I do that?

Answer 1

For cross-browser support:

buttonCom.onclick = function() {
    box.className = ''; // IE
    box.removeAttribute('class'); // Others
};