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dou4cc

为什么不许 JS 监听其 GC?

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  •   dou4cc · Dec 9, 2016 · 2825 views
    This topic created in 3442 days ago, the information mentioned may be changed or developed.

    比如 WeakMap 为了不让 JS 知道 GC 何时触发不许被遍历。

    原帖: https://www.zhihu.com/question/53455366

    1 replies    2016-12-09 22:55:21 +08:00
    clarkok
        1
    clarkok  
       Dec 9, 2016
    http://stackoverflow.com/questions/20508628/why-will-es6-weakmaps-not-be-enumerable

    大意是说这样一定程度上可以防止攻击者探测系统当前状态,减少一个 side channel
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