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.
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文 | 伯虎财经（bohuFN），作者 | All too well
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将豆腐切成麻将大小的方块，轻轻埋入柏树灰中，让其酣睡一夜。这个过程中柏树灰将豆腐完全浸渍，豆腐在柏树灰中尽情呼吸，吸收其间的矿物质和碱性成分，同时挥发部分水分，为炒制做准备。浸渍一夜，时长刚刚好。