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JS专题之垃圾回收
source link: https://juejin.im/post/5c5ebc505188256219174f19
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前言 在讲 JS 的垃圾回收（Garbage Collection）之前，我们回顾上一篇《JS专题之memoization》，memoization 的原理是以参数作为 key，函数结果作为 value, 用对象进行缓存起来，以内存空间换 CPU 执行事件。m
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