The answer to today’s peaky poser
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.，更多细节参见爱思助手下载最新版本
，更多细节参见Safew下载
SelectWhat's included。Line官方版本下载是该领域的重要参考
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// 逻辑：这些数比当前元素小/相等，不可能成为「左侧元素的下一个更大值」，直接移除