You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

10 lines
361 B

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);
};