JS 动画慢的真正的原因只有一个：JS 动画跑在 main thread 上，跟应用里的所有其他 JS 抢 CPU。 做前端动画的，几乎都听过这句话："CSS 动画比 JavaScript 快，能用 CSS 就别用 JS。" 但很少有人追问：为什么快 ...

Secure Ad Serving (HTTPS): All third-party served creatives and their components (images, stylesheets, JavaScript, tracking pixels, etc.) must be secure (HTTPS) to ensure compliance and correct ...

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很多人问我为啥批量上报埋点信息的时候，用的是 requestIdleCallback 而不是 requestAnimationFrame，今天就解答一下。 之前我写了一个埋点库 sunshine-track ，很多人问我为啥批量上报埋点信息的时候，用的是 requestIdleCallback 而不是 requestAnimationFrame，今天就解答一下。

大家好，我是林三心，用最通俗易懂的话讲最难的知识点是我的座右铭，基础是进阶的前提是我的初心~ 之前我写了一个埋点库 sunshine-track，很多人问我为啥批量上报埋点信息的时候，用的是 requestIdleCallback而不是 requestAnimationFrame，今天就解答一下 在前端性能 ...

Why this particular requestAnimationFrame polyfill? Because most (all?) of the other ones have a hidden flaw: they can't handle multiple, simultaneous animations. See a fuller explanation on this blog ...

It will replace native implementation if it does exist but still will use it if possible. So you can use window.requestAnimationFrame and window.cancelAnimationFrame after this safely. Optionally you ...