兴趣点

aijinhui

2024-02-28 7019f217c9b986a465a8f3f82d0df8d9a9c3d6e1

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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));