Recent answers to Firefox 16 scrollbar hangshttps://support.mozilla.org/en-US/questions/9399222012-10-19T07:21:49-07:00I had also played with the interval and noticed that difference. I find the connection between the t2012-10-19T07:21:49-07:00shipscripthttps://support.mozilla.org/en-US/questions/939922#answer-375792<p>I had also played with the interval and noticed that difference. I find the connection between the two bizarre. Could the browser be attempting to set focus?
</p><p>In researching, I also found an earlier report on Mozilla (sorry, don't recall where) in which the "select" or "multi-select" wasn't scrolling entirely, and I suppose a fix to that issue might have had consequences in this new scenario. Or perhaps this is part of that issue in some way.
</p><p>Anyway, I'm not a Firefox geek and I don't have enough system resources to play with versions, so my best effort was to attempt to bring the problem to Mozilla. If someone here can manage the bug reporting, that would be great.&nbsp;:-)
</p>The Firefox 16 release notes bug list show at least one change related to select controls and scroll2012-10-19T05:12:43-07:00jscher2000https://support.mozilla.org/en-US/questions/939922#answer-375749<p>The Firefox 16 <a href="https://www.mozilla.org/en-US/firefox/16.0.1/releasenotes/buglist.html" rel="nofollow">release notes bug list</a> show at least one change related to select controls and scrolling: <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=770001" rel="nofollow">770001 – combobox invalidated when scrolled</a>. Someone might be able to do a before-and-after test with that change to see whether it's relevant.
</p>It appears that the interval length is relevant. Using a longer interval such as 500 milliseconds, y2012-10-19T05:04:31-07:00jscher2000https://support.mozilla.org/en-US/questions/939922#answer-375747<p>It appears that the interval length is relevant. Using a longer interval such as 500 milliseconds, you can move the scroll thumb briefly before it freezes again. It's difficult to imagine what computation is being affected by this precise combination of fields.
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