How to make div FIXED at the bottom when scroll down? [closed]

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I've created a fiddle at

fiddle Link

All that I want is make the DIV#sticker FIXED at the bottom when scroll down until its bottom border (the bottom red border in my example) reaches the bottom of the browser window. How can I do that?

Thanks in advance!

Answer 1

You just need to calculate scroll offset + window height, to get the bottom part of the window, and then check if that is greater than element offset + element height. Also, you have to remove bottom margin from the element, if you really want it pinned down to the bottom border.

Code is something like this:

$(document).ready(function() {
    var s = $("#sticker");
    var pos = s.offset().top+s.height(); //offset that you need is actually the div's top offset + it's height
    $(window).scroll(function() {
        var windowpos = $(window).scrollTop(); //current scroll position of the window
        var windowheight = $(window).height(); //window height
        if (windowpos+windowheight>pos) s.addClass('stick'); //Currently visible part of the window > greater than div offset + div height, add class
        else s.removeClass('stick');
    });
});

I have edited your html a bit, so you can see it properly (added more scroll), but you can see the fiddle at http://jsfiddle.net/2UGgc/33/ or full-screen version at http://jsfiddle.net/2UGgc/33/show/