兴趣点

aijinhui

2024-02-28 7019f217c9b986a465a8f3f82d0df8d9a9c3d6e1

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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));