scrollcallback
ScrollCallback is easy way to watch specific DOM-elements scrolling into and out of view and fires a callback for them.
$('.first-element').scrollcallback(function(e, direction){ alert('You have scrolled to a first element'); });
$('.second-element').scrollcallback({ inHandler: function(e, direction){ alert('You have scrolled to a second element'); }, outHandler: function(e, direction){ alert('You have scrolled from a second element'); } });
$('.third-element').scrollcallback({ inHandler: function(e, direction){ alert('You have scrolled to a third element'); }, outHandler: function(e, direction){ alert('You have scrolled from a third element'); }, context: '#context' });
License
Copyright (c) 2015 Pavel Khoroshkov. Licensed under the MIT license.