19 lines
679 B
JavaScript
19 lines
679 B
JavaScript
'use strict';
|
|
var $ = require('../internals/export');
|
|
var IndexedObject = require('../internals/indexed-object');
|
|
var toIndexedObject = require('../internals/to-indexed-object');
|
|
var arrayMethodIsStrict = require('../internals/array-method-is-strict');
|
|
|
|
var nativeJoin = [].join;
|
|
|
|
var ES3_STRINGS = IndexedObject != Object;
|
|
var STRICT_METHOD = arrayMethodIsStrict('join', ',');
|
|
|
|
// `Array.prototype.join` method
|
|
// https://tc39.es/ecma262/#sec-array.prototype.join
|
|
$({ target: 'Array', proto: true, forced: ES3_STRINGS || !STRICT_METHOD }, {
|
|
join: function join(separator) {
|
|
return nativeJoin.call(toIndexedObject(this), separator === undefined ? ',' : separator);
|
|
}
|
|
});
|