1// 21.1.3.6 String.prototype.endsWith(searchString [, endPosition])
2'use strict';
3var $export = require('./_export');
4var toLength = require('./_to-length');
5var context = require('./_string-context');
6var ENDS_WITH = 'endsWith';
7var $endsWith = ''[ENDS_WITH];
8
9$export($export.P + $export.F * require('./_fails-is-regexp')(ENDS_WITH), 'String', {
10  endsWith: function endsWith(searchString /* , endPosition = @length */) {
11    var that = context(this, searchString, ENDS_WITH);
12    var endPosition = arguments.length > 1 ? arguments[1] : undefined;
13    var len = toLength(that.length);
14    var end = endPosition === undefined ? len : Math.min(toLength(endPosition), len);
15    var search = String(searchString);
16    return $endsWith
17      ? $endsWith.call(that, search, end)
18      : that.slice(end - search.length, end) === search;
19  }
20});
21