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18 lines
766 B
18 lines
766 B
'use strict'; |
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var $ = require('../internals/export'); |
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var $includes = require('../internals/array-includes').includes; |
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var addToUnscopables = require('../internals/add-to-unscopables'); |
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var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length'); |
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var USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 }); |
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// `Array.prototype.includes` method |
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// https://tc39.github.io/ecma262/#sec-array.prototype.includes |
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$({ target: 'Array', proto: true, forced: !USES_TO_LENGTH }, { |
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includes: function includes(el /* , fromIndex = 0 */) { |
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return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined); |
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} |
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}); |
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// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables |
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addToUnscopables('includes');
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