JS special effects

The return to top code appears after the scroll bar appears on the page

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The scroll bar appears after the height in the iframe is set to 100%_html/css_WEB-ITnose

24Jun2016

A scroll bar appears after setting the height to 100% in an iframe

I want to realize that the top navigation and bottom copyright are placed at the top and bottom of the web page respectively, and there is no drop-down scroll bar on the right side. _html/css_WEB-ITnose

24Jun2016

I want to realize that the top navigation and bottom copyright are placed at the top and bottom of the web page respectively, and there is no drop-down scroll bar on the right side.

Please help Baidu know that after clicking on the page to log in, you can still see the covered page after the gray shadow appears in the background_html/css_WEB-ITnose

24Jun2016

Please help Baidu know that after clicking on the page to log in, you can still see the covered page after the gray shadow appears in the background.

I wonder if anyone has encountered this problem. Set the width of a layer to 100% and set a background image. Browse in the browser, shrink the window until the scroll bar appears, and then drag the scroll bar to the right, and the area on the right becomes It is blank, how to solve it? _html/css_WEB-ITnose

24Jun2016

HTML Study Notes 2 (Back to Top and Back to Bottom)_html/css_WEB-ITnose

24Jun2016

HTML Learning Notes 2 (Back to Top and Back to Bottom)

'Cancelable' Smooth Scrolling

27Mar2025

Here's the situation: Your site offers a "scroll back to top" button, and you've implemented smooth scrolling. As the page scrolls back to the top, users see

07Jan2025

The "Back to Top" button on long pages is a simple yet useful navigation feature. This button allows users to quickly return to the top of the page without scrolling excessively. Check out the Codepen demo below: Full text: Back to top button CSS code snippet with smooth scrolling

CSS implementation back to top and smooth transition

04Apr2025

Implementing a back to top button with a smooth transition effect in CSS requires the following steps: Add an element with id="back-to-top"; set the button to fixed positioning, add styles (including initial transparency of 0); set the transparency to 1 when the button is hovered, and add a smooth transition effect; add scroll detection for the button using JavaScript, display the button when scrolling more than 100 pixels, and scroll smoothly to the top when clicking the button.

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