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？快多少？JS 库有没有办法绕过这个瓶颈？ Josh W. Comeau ...

Topics XHTML, Programmierung, HTML (Document markup language), HTML, CSS (märkspråk), Internet software, JavaScript (Computer language), Web sites -- Design, JAVA (programspråk), XHTML (Document ...

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传统 html2canvas、SVG foreignObject 均为临时hack，存在静态无交互、性能差、隐私隐患等问题，无法兼顾开发效率与渲染能力。而 WICG 推出的 HTML-in-Canvas 原生提案，彻底解决了这一行业痛点。

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