os0x

(function extend_NodeList(proto){
	if(Object.defineProperty){
		Object.getOwnPropertyNames(Array.prototype).filter(function(prop){
			return typeof Array.prototype[prop] === 'function';
		}).forEach(extend_by_array);
	}
	function extend_by_array(name){
		if (name in NodeList.prototype){
			return;
		}