jiangping
2025-04-25 1e0c8c2a1a3e67cf95a4ccc60012cc3c6dad26be
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'use strict';
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;
  }
});