优化

‘liusuyi’

2023-06-02 75499090564614ed79f31a61c2434699882ee29d

1
2
3
4
5
6
var global = require('../internals/global');
var isCallable = require('../internals/is-callable');
 
var WeakMap = global.WeakMap;
 
module.exports = isCallable(WeakMap) && /native code/.test(String(WeakMap));