1 // 21.1.3.7 String.prototype.includes(searchString, position = 0)
3 var $export = require('./_export')
4 , context = require('./_string-context')
5 , INCLUDES = 'includes';
7 $export($export.P + $export.F * require('./_fails-is-regexp')(INCLUDES), 'String', {
8 includes: function includes(searchString /*, position = 0 */){
9 return !!~context(this, searchString, INCLUDES)
10 .indexOf(searchString, arguments.length > 1 ? arguments[1] : undefined);