Provide more features for youtube shorts, including
Progress bar (with time display, draggable)
Volume control
Auto scroll control
Left and right keys can control progress
Up and down keys can (if you have installed a plugin that takes over volume control, such as "Html5 Video Speed Control", you can control the volume), if you have not installed such a plugin, the up and down keys can scroll Shorts up/down
Without setInterval causing performance issues, using requestAnimationFrame, and only rendering the required parts, greatly reduces performance consumption
更好的 Youtube Shorts
为 youtube shorts 提供了更多功能，包括
进度条（含时间显示，可以拖动）
音量控制
自动滚动控制
左右键可以控制进度
上下键可以（如果你安装了类似 Html5 Video Speed Control 这样的接管音量控制的插件，则可以控制音量），如果没有安装这样的插件，则上下键可以向上/向下滚动 Shorts
