1 var global = require('../internals/global');
2 var classof = require('../internals/classof');
3 var hasOwn = require('../internals/has-own-property');
4 var wellKnownSymbol = require('../internals/well-known-symbol');
5 var Iterators = require('../internals/iterators');
7 var ITERATOR = wellKnownSymbol('iterator');
8 var Object = global.Object;
10 module.exports = function (it) {
12 return O[ITERATOR] !== undefined
14 || hasOwn(Iterators, classof(O));