public/javascripts/yui/element/element.js
function(){
            this._configs = this._configs;
            var keys = [], key;

            for (key in this._configs) {
                if ( Lang.hasOwnProperty(this._configs, key) && 
                        !Lang.isUndefined(this._configs[key]) ) {
                    keys[keys.length] = key;
                }
            }
            
            return keys;
        }
function(){
            this._configs = this._configs;
            var keys = [], key;

            for (key in this._configs) {
                if ( Lang.hasOwnProperty(this._configs, key) && 
                        !Lang.isUndefined(this._configs[key]) ) {
                    keys[keys.length] = key;
                }
            }
            
            return keys;
        }
function ( ) { this . _configs = this . _configs ; var keys = [ ] , key ; for ( key in this . _configs ) { if ( Lang . hasOwnProperty ( this . _configs , key ) && ! Lang . isUndefined ( this . _configs [ key ] ) ) { keys [ keys . length ] = key ; } } return keys ; }
Returns an array of attribute names.
@method getAttributeKeys
@return {Array} An array of attribute names.
Returns an array of attribute names .