On iOS safari, one-finger panning doesn’t generate any events until the user stops panning. An onscroll event is only generated when the page stops moving and redrawn.   I need a way to detect real time scrolling. Specifically, I want to make a sti...

i have a "body" with onScroll="Scroll()". Scroll method should, well, scroll some div as user scrolls the page.  Scroll():  function Scroll() {     var el = document.getElementById('controlBox');     var ScrollTop = document.b...

I have built a React component which is suppose to call the function on window scroll event.  I would like to call the function, "getCards('default'), when the user scroll to 90% of the scroll height.  The component looks as shown in belo...

Is it possible to shrink both the height and the width of a div simultaneously while scrolling down a page? For example, as the user scrolls down, the div size goes from 400px by 400px to 200px by 200px while staying in the center of the page? I know...

I have a script on my site that works in every browser, except Internet Explorer. Can someone explain why this doesn't work?     var header = document.getElementById('header'); var picturebg = document.getElementsByClassName('pictureb...

I want to detect if a browser supports onscroll immediately?.. The problem is that older IOS versions of IOS support onscroll, but it gets triggered at the end of the scrolling. However I can't think of a way to detect this?...

I know how to get the scrollTop of a page, I use this simple JS function (code copied around):  function GetScrolledTop()  {    //I never work in IE quirkmode, I always use DOCTYPE as 1st line, so I don't need to test for document.body.scrollTop...

How has Facebook built this fixed-on-scroll box (sticky sidebar) on their new prasentation site for the new newsfeed?    I know many of the solutions for doing this but this one is special. The switching between position: relative and position: fixe...

I want to postion a DIV inside a page such that it is visible to the user even if the user vertically scrolls the page.   The page has a heading at the top of the page which is 75 px tall. Now when the user is at the top of the page and has not scrol...

Hi guys I am using the scroll function on this script but it fires each time a user scrolls. I want it to only fire once when the user scrolls down to #ror. I tried using the fired variable to check if it has already been fired but that didn't se...