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- // 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)
- , $$ = arguments
- , endPosition = $$.length > 1 ? $$[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;
- }
- });
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