NodeList.forEach()

/**
 * NodeList.prototype.forEach() polyfill
 * https://developer.mozilla.org/en-US/docs/Web/API/NodeList/forEach#Polyfill
 */
if (window.NodeList && !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);
		}
	};
}