优化

liusuyi

2023-06-29 3daa378637a5ceeb4965b554f528a7a36e3d5c2a

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));