if (n <= 1) return;
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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.。业内人士推荐safew官方版本下载作为进阶阅读
Jack Dorsey just halved the size of Block’s employee base — and he says your company is next