Merge branch 'master' of http://139.186.142.91:10010/r/productDev/gtzxingli...

MrShi

4 天以前 34437176cfbc2dc30f786601f5abf27d605e2c15

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'use strict';
var wellKnownSymbol = require('../internals/well-known-symbol');
var Iterators = require('../internals/iterators');
 
var ITERATOR = wellKnownSymbol('iterator');
var ArrayPrototype = Array.prototype;
 
// check on default Array iterator
module.exports = function (it) {
  return it !== undefined && (Iterators.Array === it || ArrayPrototype[ITERATOR] === it);
};