H5 CSS 悬浮滚动条 All In One

H5 CSS 悬浮滚动条 All In One

HTML5 & CSS3 悬浮滚动条 / floating scroll bar

悬浮滚动条：实现原理

1. 默认隐藏滚动条
2. 鼠标悬浮再显示滚动条

overflow

scroll
Content is clipped if necessary to fit the padding box. Browsers always display scrollbars whether or not any content is actually clipped, preventing scrollbars from appearing or disappearing as content changes. Printers may still print overflowing content.

auto
Depends on the user agent. If content fits inside the padding box, it looks the same as visible, but still establishes a new block formatting context. Desktop browsers provide scrollbars if content overflows.

overlay Deprecated 🗑️ 👎

Behaves the same as auto, but with the scrollbars drawn on top of content instead of taking up space.

https://developer.mozilla.org/en-US/docs/Web/CSS/overflow

overflow-y

https://developer.mozilla.org/en-US/docs/Web/CSS/overflow-y

custom scrollbar

demos

custom float scrollbar

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