完善通讯录

Tcsm

2023-08-29 48b191b57b42f1b570f5ff8841dd38137fd250e5

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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));