a function to check if a certain element is scrollable, but is NOT showing scrollbars. Useful to use as a test for when you might want to implement another scrolling solution, such as iScroll for iPad.

isItScrollableWithoutVisibleScrollbars.js

function isItScrollableWithoutVisibleScrollbars(e) {return e&&(e.scrollHeight>e.offsetHeight)&&!(e.offsetWidth>e.scrollWidth);}

test.js

// example usage

if ( isItScrollableWithoutVisibleScrollbars(plwrap) ) {
	playlistScroll = new iScroll('playlist');
}