优化

liusuyi

2024-05-25 1253e030e4b805f9f8adc3c664ad9de014670ad9

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var $ = require('../internals/export');
 
// `Number.isNaN` method
// https://tc39.es/ecma262/#sec-number.isnan
$({ target: 'Number', stat: true }, {
  isNaN: function isNaN(number) {
    // eslint-disable-next-line no-self-compare -- NaN check
    return number != number;
  }
});