text: if ('NodeList' in window && !NodeList.prototype.forEach) {
  	NodeList.prototype.forEach = function(callback, thisArg) {
  		thisArg = thisArg || window;
  		for (var i = 0; i < this.length; i++) {
  			callback.call(thisArg, this[i], i, this);
  		}
  	};
  }
  