优化

‘liusuyi’

2023-09-02 a74a763d8efdda779b4c5e340f850c20a7f4ca9d

1
2
3
4
var nativeFunctionToString = require('./_function-to-string');
var WeakMap = require('./_global').WeakMap;
 
module.exports = typeof WeakMap === 'function' && /native code/.test(nativeFunctionToString.call(WeakMap));