public/javascripts/yui/element/element.js
function(key, value, silent){
            this._configs = this._configs || {};
            var config = this._configs[key];
            
            if (!config) {
                return false;
            }
            
            return config.setValue(value, silent);
        }
function(key, value, silent){
            this._configs = this._configs || {};
            var config = this._configs[key];
            
            if (!config) {
                return false;
            }
            
            return config.setValue(value, silent);
        }
function ( key , value , silent ) { this . _configs = this . _configs || { } ; var config = this . _configs [ key ] ; if ( ! config ) { return false ; } return config . setValue ( value , silent ) ; }
Sets the value of a config.
@method set
@param {String} key The name of the attribute
@param {Any} value The value to apply to the attribute
@param {Boolean} silent Whether or not to suppress change events
@return {Boolean} Whether or not the value was set.
Sets the value of a config .