新增 财产备忘本

linwenling

2023-08-08 b3ddacf9a9742276e76c0aa8bfa67fcdd6e1d7fe

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