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.
直到有老粉丝在刷某个不知名的小程序时，觉得里面的漫剧剧情高度雷同，顺藤摸瓜找来私信提醒，她才惊觉自己觉得不太行的“弃稿”已经被做成几十集的视频大肆敛财。
。业内人士推荐新收录的资料作为进阶阅读
"I thought, I'm giving something back here," he said.
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
Photograph: Pete Cottell