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 Nic Chan:

[…] the will-change property landed in major browsers in August 2015, and I’ve been on the lookout for when to use it ever since. It might seem self-evident to apply it to commonly animated properties such

我在与 CSS 相关的性能方面存在一些盲点。一个例子就是 will-change 属性。这是一个很好的名称。你告诉浏览器某些特定属性（或 scroll-position 或内容）将会改变

.el {
  will-change: opacity;

CSS 中的 will-change 属性通过让浏览器知道哪些属性和元素即将被操作来优化动画，这可能会提高该特定操作的性能。

will-change: <animateable-feature= scroll-position | contents | <custom-ident

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