Video enhancement script, supports all H5 video websites, such as: Bilibili, Douyin, Tencent Video, Youku, iQiyi, Xigua Video, YouTube, Weibo Video, Zhihu Video, Sohu Video, NetEase Open Course, Baidu network disk, Alibaba cloud disk, ted, instagram, twitter, etc. Full shortcut key control, support: double-speed playback/accelerated playback, video screenshots, picture-in-picture, full-screen web pages, adjusting brightness, saturation, contrast
如果视频是在内嵌框架页面里的，就没法网页全屏了...
不知道可不可以先把框架页面进行网页全屏，然后再把视频网页全屏？