schangxiang@126.com
2025-09-19 df5675b4e548eff2dbab6c780b173c346551f508
1
2
3
4
5
6
7
'use strict';
 
/* http://www.ecma-international.org/ecma-262/6.0/#sec-number.isnan */
 
module.exports = function isNaN(value) {
    return value !== value;
};