Since Firefox has both 'transitionProperty' and 'MozTransitionProperty' we have an issue. The script returns 'transitionProperty' except of expecting 'MozTransitionProperty' so when we try to bind callback event listener we get the problem as Firefox doesn't fire 'transitionProperty' event.
dmotz
commented
11 years ago
Since Firefox has both 'transitionProperty' and 'MozTransitionProperty' we have an issue. The script returns 'transitionProperty' except of expecting 'MozTransitionProperty' so when we try to bind callback event listener we get the problem as Firefox doesn't fire 'transitionProperty' event.