// Each component enqueues a small chunk
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.
，这一点在爱思助手下载最新版本中也有详细论述
Nasa Apollo missions: Stories of the last Moon men，推荐阅读WPS官方版本下载获取更多信息
Artemis II moon rocket hauled off launch pad for repairs