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							// 20.1.2.4 Number.isNaN(number)
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							var $export = require('./_export');
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							$export($export.S, 'Number', {
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							  isNaN: function isNaN(number) {
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							    // eslint-disable-next-line no-self-compare
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							    return number != number;
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							  }
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							});
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