What is the alternative to “scroll-linked positioning effect” to prevent performance issues?

Question

I get the following warning in firefox

This site appears to use a scroll-linked positioning effect. This may not work well with asynchronous panning;

Answer 1

I have the same problem here to javascript/jquery] .onscroll() then show the back to top button.

I solved this problem with a "switch boolean" and a timer:

(I had several solutions but it seems that this one is best)

With an ftm license (Free To Mankind license: show this script to anyone still programming):

 
  
  
  
 
 

 
 
  



  
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