Check whether HTML element has scrollbars

Question

What\'s the fastest way of checking whether an element has scroll bars?

One thing of course is checking whether element is larger than its viewport, which can easily

Answer 1

Try:

For vertical scroll bar

el.scrollHeight > el.clientHeight

For horizontal scrollbar

el.scrollWidth > el.clientWidth

I know this works for IE8 and Firefox 3.6+ at least.