加入日志

zhangjian

2023-08-05 25fa475f29791e80a2b533f8f52a9459bcce6a96

1
2
3
4
5
6
7
8
9
10
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;
  }
});