What are the application scenarios for fixed positioning?

Common application scenarios for fixed positioning include "navigation bar", "advertising banner/floating box", "return to top button", "sidebar", "message prompt box" and "floating sharing button" Type: 1. Keep the navigation bar at the top or bottom of the page; 2. Fix the advertising banner or floating box at a certain position on the page to attract the user's attention and provide relevant information; 3. Change "Return to Top" The button is fixed to the side or bottom of the browser window; 4. Fixed the sidebar to the side of the page so that it remains visible when the user scrolls the page, etc.

# Operating system for this tutorial: Windows 10 system, Dell G3 computer.

Fixed positioning has many application scenarios in web design. The following are some of the common application scenarios:

1. Navigation bar :

   Fixed positioning allows the navigation bar to always remain at the top or bottom of the page, no matter how the user scrolls the page. This allows users to access the navigation menu at any time and improves user experience.

2. Advertising banner/floating box:

   Fixed positioning can fix the advertising banner or floating box at a certain position on the page to attract the user's attention and provide relevant information. For example, display fixed ads in the sidebar or corner of the page.

3. Back to top button:

   In long pages, you can use fixed positioning to fix the "Back to top" button to the side or bottom of the browser window. This way the user doesn't have to manually scroll to the top of the page and can just click the button to get back to the top.

4. Sidebar:

   Fixed positioning allows you to pin the sidebar to one side of the page so that it remains visible as the user scrolls the page. This provides a convenient way to quickly navigate and access other pages if the site has a lot of content.

5. Message prompt box:

   Fixed positioning can fix important message prompt boxes at a certain position on the page to ensure that users can see and notice them. This is useful for situations where important information, reminders or warnings need to be conveyed to the user.

6. Floating sharing button:

   In article pages or product pages, you can use fixed positioning to fix the floating sharing button to the side or bottom of the page. This way users can click the button at any time to easily share content to social media platforms.

The above are just some common application scenarios. In fact, fixed positioning can play more roles in web design according to specific needs, improving user experience and page interactivity.

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