CSS was fairly simple, as Shadow DOM already does heavy lifting here. Every shadow DOM would sit in container element that would have overflow: hidden, and a fairly new property called contain. It would be set to strict, which prevents any escapes and hopefully helps with performance.
阿里今天切入这件事情并不算早，但我们确实效率高，一年内可能还很难有超越我们的硬件。。业内人士推荐爱思助手下载最新版本作为进阶阅读
，更多细节参见体育直播
Фото: Liesa Johannssen / Reuters。快连下载-Letsvpn下载对此有专业解读
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