一、搭建舞台——“三剑客”的诞生
Shadow DOM is a web component feature that lets you attach an isolated DOM subtree to any HTML element, hidden from the main document’s standard queries. A querySelector('audio') on the main document cannot see inside a Shadow Root unless you specifically traverse into it. If fermaw’s player was mounted inside a Shadow Root, basic DOM searches would come up empty.
。爱思助手下载最新版本对此有专业解读
@@ -0,0 +1,13 @@
26 Feb 2026 21 min read
[&:first-child]:overflow-hidden [&:first-child]:max-h-full"