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15 lines
594 B
15 lines
594 B
'use strict'; |
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var $export = require('./_export'); |
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var $indexOf = require('./_array-includes')(false); |
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var $native = [].indexOf; |
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var NEGATIVE_ZERO = !!$native && 1 / [1].indexOf(1, -0) < 0; |
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$export($export.P + $export.F * (NEGATIVE_ZERO || !require('./_strict-method')($native)), 'Array', { |
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// 22.1.3.11 / 15.4.4.14 Array.prototype.indexOf(searchElement [, fromIndex]) |
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indexOf: function indexOf(searchElement /* , fromIndex = 0 */) { |
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return NEGATIVE_ZERO |
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// convert -0 to +0 |
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? $native.apply(this, arguments) || 0 |
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: $indexOf(this, searchElement, arguments[1]); |
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} |
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});
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