Preveri ali je drsnik do dna div-a

div-bottom-checker.js

$(document).ready(function(){
 
    $('div').bind('scroll',chk_scroll);
});
 
function chk_scroll(e)
{
    var elem = $(e.currentTarget);
    if (elem[0].scrollHeight - elem.scrollTop() == elem.outerHeight())
    {
        console.log("bottom");
    }
 
}