How do I easily find the distance between a point on the page and the bottom of the browser window using JavaScript?

javascript jquery positioning dimensions
Brant Bobby picture Brant Bobby · Dec 30, 2010 · Viewed 13.7k times · Source

A view in my web app has a table which may be extremely long, so I wrapped it in a div with overflow: auto; max-height: 400px; so users can scroll through it while keeping the other controls on the page visible.

I want to use a bit of JavaScript to dynamically adjust the max-height CSS property so the div stretches to the bottom of the browser window. How can I determine this value? jQuery solutions are fine.

The table doesn't start at the top of the page, so I can't just set the height to 100%.

Answer

mrtsherman picture mrtsherman · Dec 30, 2010

Something like this would work I think:

var topOfDiv = $('#divID').offset().top;
var bottomOfVisibleWindow = $(window).height();
$('#divID').css('max-height', bottomOfVisibleWindow - topOfDiv - 100);

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