打卡

Administrator

2023-08-10 b8275ff6375a174258ecf96eb38c819813e3fd84

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));