Provided your current check is firing when scrolled to the page’s bottom, you can try some basic arithmetics: if ($(window).scrollTop() >= ($(document).height() – $(window).height())*0.7){ //where 0.7 corresponds to 70% –^ Make sure to add a check to don’t fire multiple simultaneous Ajax requests, if you didn’t already. This is rather out of the scope of … Read more
You are able to get a visual performance boost by implementing will-change on elements. It is supported in recent browsers (excluding edge and no IE). The will-change CSS property hints to browsers how an element is expected to change. Browsers may set up optimizations before an element is actually changed. These kinds of optimizations can … Read more
there is a method in the window object called scrollTo(). If you set the behavior to ‘smooth’ the page will handle the smooth scroll. example (scroll to top of page): window.scrollTo({ left: 0, top: 0, behavior: ‘smooth’ }); And with fallback example: try { window.scrollTo({ left: 0, top: 0, behavior: ‘smooth’ }); } catch (e) … Read more
The whole point of an anchor link is to scroll a page to a particular point. So if you don’t want that to happen, you need to attach an onclick handler and return false. Even just adding it as an attribute should work: <a href=”#button1″ id=”button1″ onclick=”return false”>button 1</a> A side of effect of the … Read more
Nowadays in 2021 there’s a nice simple only-css solution with :target and scroll-margin-top :target { scroll-margin-top: 100px; } It works in all major browsers References: https://developer.mozilla.org/en-US/docs/Web/CSS/scroll-margin-top https://developer.mozilla.org/en-US/docs/Web/CSS/%3Atarget
TLDR; Since this answer has drawn some attention, I’ve just developed an npm package based on it to allow everyone to use it as an independent package/library in their projects. I also wrote a story on the Hackernoon and went through the details about this answer (This is published in more than 10 languages, so … Read more
Got it. Used the event DragOver of the ListBox, used the function found here to get the scrollviewer of the listbox and after that its just a bit of juggling with the Position. private void ItemsList_DragOver(object sender, System.Windows.DragEventArgs e) { ListBox li = sender as ListBox; ScrollViewer sv = FindVisualChild<ScrollViewer>(ItemsList); double tolerance = 10; double … Read more