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JavaScript WeakMap 详解：原理、应用与性能优化

原创 最新推荐文章于 2026-09-20 12:31:55 发布 · 176 阅读 WeakMap 是 JavaScript 中一种特殊的键值对集合，它与常规 Map 的关键区别在于键必须是对象且持有弱引用。这意味着当键对象没有其他引用时 ...
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Replace Object.expando and WeakMapping with JS WeakMap

RPC's JDO/JPA support uses a WeakMapping class to be able to cache serialized payloads of server-only objects that will be needed when sending that same outer object back to the server again. In the ...