IE8 - doesn't unstick at bottom of parent

[Deneva-Inc]

The sticky element doesn't unstick at bottom of parent element and maintains position:fixed in IE8.

[jhume]

Same problem here.

[jhume]

For anyone who really needs IE support and can't wait for a fix, I've had good success with https://github.com/davist11/jQuery-Stickem

[ross-gratton]

Hi Guys,
I have encountered this same issue, the issue that in IE8 parent.css("border-top-width") is returning a string, so border_top = parseInt(parent.css("border-top-width"), 10); is NaN.

Make the following change to fix: (around line 64)
parent_top = parent.offset().top + border_top + padding_top;
to
parent_top = parent.offset().top + padding_top;
if (!isNaN(border_top)){ parent_top += border_top; }

I'm not sure how to request this get added in as a fix.

[jpotterm]

I have the same problem. Another fix might be changing

border_top = parseInt(parent.css("border-top-width"), 10);

to

border_top = parseInt(parent.css("border-top-width"), 10) || 0;

However this isn't 100% correct because in IE8 border_top will be 0 even if border-top-width is set to medium.

A simple workaround for this bug is just to add this to your CSS:

* {
    border-top-width: 0;
}