Finding these optimization opportunities can itself be a significant undertaking. It requires end-to-end understanding of the spec to identify which behaviors are observable and which can safely be elided. Even then, whether a given optimization is actually spec-compliant is often unclear. Implementers must make judgment calls about which semantics they can relax without breaking compatibility. This puts enormous pressure on runtime teams to become spec experts just to achieve acceptable performance.
It can be slow at times。关于这个话题，雷电模拟器官方版本下载提供了深入分析
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听闻一桩事：某人在网上对他人点名道姓批骂，之前还有所克制，后来见人没有回应，他胆子壮大了，连篇累牍，捏造事实，什么话伤人，就拣什么话来骂。没想到，人家一纸诉状给告了，某人便急了，急忙去求情，请人宽容：大人不记小人过。那模样，全然没有了当初网骂的嚣张气焰。，推荐阅读服务器推荐获取更多信息