兴趣点

aijinhui

2024-02-28 cc8d75e6b28c10dd20f2d9f67648d9fe9289b1e3

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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));