Function Enumerate

lib/web/polyfill.js:1758–1762

(iterated)

!function(){
  function Enumerate(iterated){
    var keys = [], key;
    for(key in iterated)keys.push(key);
    set(this, ITER, {o: iterated, a: keys, i: 0});
  }
  createIterator(Enumerate, OBJECT, function(){
    var iter = this[ITER]
      , keys = iter.a