mirror of https://github.com/jkjoy/sunpeiwen.git
13 lines
479 B
JavaScript
13 lines
479 B
JavaScript
|
// 21.1.3.7 String.prototype.includes(searchString, position = 0)
|
||
|
|
'use strict';
|
||
|
|
var $export = require('./_export');
|
||
|
|
var context = require('./_string-context');
|
||
|
|
var INCLUDES = 'includes';
|
||
|
|
|
||
|
|
$export($export.P + $export.F * require('./_fails-is-regexp')(INCLUDES), 'String', {
|
||
|
|
includes: function includes(searchString /* , position = 0 */) {
|
||
|
|
return !!~context(this, searchString, INCLUDES)
|
||
|
|
.indexOf(searchString, arguments.length > 1 ? arguments[1] : undefined);
|
||
|
|
}
|
||
|
|
});
|