'use strict'; // 22.1.3.13 Array.prototype.join(separator) var $export = require('./_export') , toIObject = require('./_to-iobject') , arrayJoin = [].join; // fallback for not array-like strings $export($export.P + $export.F * (require('./_iobject') != Object || !require('./_strict-method')(arrayJoin)), 'Array', { join: function join(separator){ return arrayJoin.call(toIObject(this), separator === undefined ? ',' : separator); } });