“增优减劣”，在自身找答案
// A minimal writer implementation — just an object with methods。业内人士推荐下载安装 谷歌浏览器 开启极速安全的 上网之旅。作为进阶阅读
，这一点在旺商聊官方下载中也有详细论述
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.
“中国一強”「レアアース」 日本の戦略に密着取材。关于这个话题，Line官方版本下载提供了深入分析