blob: 80baed9ad81d2280df5b12930839613d14fe3411 [file] [log] [blame]
// 21.1.3.6 String.prototype.endsWith(searchString [, endPosition])
'use strict';
var $export = require('./_export')
, toLength = require('./_to-length')
, context = require('./_string-context')
, ENDS_WITH = 'endsWith'
, $endsWith = ''[ENDS_WITH];
$export($export.P + $export.F * require('./_fails-is-regexp')(ENDS_WITH), 'String', {
endsWith: function endsWith(searchString /*, endPosition = @length */){
var that = context(this, searchString, ENDS_WITH)
, endPosition = arguments.length > 1 ? arguments[1] : undefined
, len = toLength(that.length)
, end = endPosition === undefined ? len : Math.min(toLength(endPosition), len)
, search = String(searchString);
return $endsWith
? $endsWith.call(that, search, end)
: that.slice(end - search.length, end) === search;
}
});