GitHub - Deveo/ember-sliding-sticky: A `position: sticky` alternative that works inside parents with `overflow: hidden`
jQuery Plugin To Make Element Sticky Within A Container - Sticky | Free jQuery Plugins
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the new code – position sticky: scroll-to-top-then-fixed in pure CSS
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css - Can I keep a DIV always on the screen, but not always in a fixed position? - Stack Overflow
GitHub - oplaner4/jquery.smartSticky: Free, easy to use, javascript library for toggling between original and fixed position, because of limited support of sticky position even in newer browsers.