debian-mirror-gitlab/core-js/modules/es.array.join.js
2019-09-25 13:30:05 +05:30

19 lines
678 B
JavaScript

'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);
}
});