Generate two buttons on all pages, one for smoothly scrolling back to the top and one for continuous scrolling to the bottom. Click again to stop scrolling to the bottom.
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给勤务员加鸡腿 
「 修改自Greasyfork用户脚本 为网页添加置顶和置底按钮，方便在长页面中快速移动到顶部或底部。 增加向下滚动时按钮变色，3秒内无滚动自动停止 」
Download：Github | ⭐Greasy Fork
该脚本修改自 金衍丞
