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