chat-server/qq-imsvr/node_modules/core-js/modules/web.dom.iterable.js

var $iterators    = require('./es6.array.iterator')
  , redefine      = require('./_redefine')
  , global        = require('./_global')
  , hide          = require('./_hide')
  , Iterators     = require('./_iterators')
  , wks           = require('./_wks')
  , ITERATOR      = wks('iterator')
  , TO_STRING_TAG = wks('toStringTag')
  , ArrayValues   = Iterators.Array;

for(var collections = ['NodeList', 'DOMTokenList', 'MediaList', 'StyleSheetList', 'CSSRuleList'], i = 0; i < 5; i++){
  var NAME       = collections[i]
    , Collection = global[NAME]
    , proto      = Collection && Collection.prototype
    , key;
  if(proto){
    if(!proto[ITERATOR])hide(proto, ITERATOR, ArrayValues);
    if(!proto[TO_STRING_TAG])hide(proto, TO_STRING_TAG, NAME);
    Iterators[NAME] = ArrayValues;
    for(key in $iterators)if(!proto[key])redefine(proto, key, $iterators[key], true);
  }
}