| 'use strict'; |
| var $ = require('../internals/export'); |
| var IndexedObject = require('../internals/indexed-object'); |
| var toIndexedObject = require('../internals/to-indexed-object'); |
| var sloppyArrayMethod = require('../internals/sloppy-array-method'); |
| |
| var nativeJoin = [].join; |
| |
| var ES3_STRINGS = IndexedObject != Object; |
| var SLOPPY_METHOD = sloppyArrayMethod('join', ','); |
| |
| // `Array.prototype.join` method |
| // https://tc39.github.io/ecma262/#sec-array.prototype.join |
| $({ target: 'Array', proto: true, forced: ES3_STRINGS || SLOPPY_METHOD }, { |
| join: function join(separator) { |
| return nativeJoin.call(toIndexedObject(this), separator === undefined ? ',' : separator); |
| } |
| }); |