This article describes the simple implementation of JavaScript to return to the top button effect of following the scrollbar floating. Share it for your reference, as follows:
A relatively excellent version that only displays more than one screen height, and follows the scroll bar floating back to the top button special effect code.
The operation effect is shown in the figure below:
The complete example code is as follows:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>test</title><style>body{ height:2000px;}.rTop{ width:100px; height:25px; text-align:center; font-size:small; line-height:25px; border:1px solid #999; position:fixed; right:0; bottom:0; border-bottom-color:#333; border-right-color:#333; margin:5px; cursor:pointer; display:none}</style></head><body><div id="rTop">Return to top</div><script> window.onscroll=function(){ if(document.body.scrollTop||document.documentElement.scrollTop>0){ document.getElementById('rTop').style.display="block" }else{ document.getElementById('rTop').style.display="none" } }</script></body></html>For more information about JavaScript related content, please check out the topics of this site: "Summary of JavaScript switching effects and techniques", "Summary of JavaScript search algorithm skills", "Summary of JavaScript animation effects and techniques", "Summary of JavaScript errors and debugging techniques", "Summary of JavaScript data structures and algorithm skills", "Summary of JavaScript traversal algorithms and techniques", and "Summary of JavaScript mathematical operations usage"
I hope this article will be helpful to everyone's JavaScript programming.