public/javascripts/yui/dom/dom-debug.js
function(el, className) {
            return Y.Dom.batch(el, Y.Dom._removeClass, className);
        }
function(el, className) {
            return Y.Dom.batch(el, Y.Dom._removeClass, className);
        }
function ( el , className ) { return Y . Dom . batch ( el , Y . Dom . _removeClass , className ) ; }
Removes a class name from a given element or collection of elements.
@method removeClass
@param {String | HTMLElement | Array} el The element or collection to remove the class from
@param {String} className the class name to remove from the class attribute
@return {Boolean | Array} A pass/fail boolean or array of booleans
Removes a class name from a given element or collection of elements .