main
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Last change
on this file since 79a0317 was 79a0317, checked in by stefan toskovski <stefantoska84@…>, 3 days ago |
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F4 Finalna Verzija
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Property mode
set to
100644
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File size:
973 bytes
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| 1 | 'use strict';
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| 2 | /* eslint-disable es/no-array-prototype-indexof -- required for testing */
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| 3 | var $ = require('../internals/export');
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| 4 | var uncurryThis = require('../internals/function-uncurry-this-clause');
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| 5 | var $indexOf = require('../internals/array-includes').indexOf;
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| 6 | var arrayMethodIsStrict = require('../internals/array-method-is-strict');
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| 7 |
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| 8 | var nativeIndexOf = uncurryThis([].indexOf);
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| 9 |
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| 10 | var NEGATIVE_ZERO = !!nativeIndexOf && 1 / nativeIndexOf([1], 1, -0) < 0;
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| 11 | var FORCED = NEGATIVE_ZERO || !arrayMethodIsStrict('indexOf');
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| 12 |
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| 13 | // `Array.prototype.indexOf` method
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| 14 | // https://tc39.es/ecma262/#sec-array.prototype.indexof
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| 15 | $({ target: 'Array', proto: true, forced: FORCED }, {
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| 16 | indexOf: function indexOf(searchElement /* , fromIndex = 0 */) {
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| 17 | var fromIndex = arguments.length > 1 ? arguments[1] : undefined;
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| 18 | return NEGATIVE_ZERO
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| 19 | // convert -0 to +0
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| 20 | ? nativeIndexOf(this, searchElement, fromIndex) || 0
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| 21 | : $indexOf(this, searchElement, fromIndex);
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| 22 | }
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| 23 | });
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