新增 财产备忘本

linwenling

2023-08-08 b3ddacf9a9742276e76c0aa8bfa67fcdd6e1d7fe

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var global = require('../internals/global');
var isCallable = require('../internals/is-callable');
 
var WeakMap = global.WeakMap;
 
module.exports = isCallable(WeakMap) && /native code/.test(String(WeakMap));