优化

‘liusuyi’

2023-08-04 4753a47b1b5d538940a5509b504f1eaecc5a9f66

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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));