yegs

Function.prototype.bind = function() {  var __method = this, args = $A(arguments), object = args.shift();  return function() {    return __method.apply(object, args.concat($A(arguments)));  }}Function.prototype.bindAsEventListener = function(object) {  var __method = this, args = $A(arguments), object = args.shift();  return function(event) {    return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments)));  }}var $A = Array.from = function(iterable) {  if (!iterable) return [];  if (iterable.toArray) {    return iterable.toArray();  } else {    var results = [];    for (var i = 0, length = iterable.length; i < length; i++)      results.push(iterable[i]);    return results;  }}