how to append a css class to an element by javascript?

Question

Suppose a HTML element\'s id is known, so the element can be refereced using:

document.getElementById(element_id);

Does a nati

Answer 1

classList is a convenient alternative to accessing an element's list of classes.. see http://developer.mozilla.org/en-US/docs/Web/API/Element.classList.

Not supported in IE < 10