LLB: the intermediate representation
We replace setTimeout, setInterval, requestAnimationFrame, Date, Date.now(), and performance.now(). In practice, this covers the major JavaScript timing primitives most animation code relies on. The page thinks time is passing normally. In reality, time advances by exactly 1000/fps milliseconds per frame, and only when we tell it to.
，这一点在体育直播中也有详细论述
It’s hard to implement proper Unit Tests (i.e. tests based on behaviors);。下载安装 谷歌浏览器 开启极速安全的 上网之旅。是该领域的重要参考
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