Created attachment 328840 [details] reporter's testcase I see this in all Firefox versions I tried, but not in Opera and IE6. They don't show the mouse up alert at all.
Status: UNCONFIRMED → NEW
Component: General → Event Handling
Ever confirmed: true
Product: Firefox → Core
QA Contact: general → events
Version: unspecified → Trunk
This appears to be working as expected in Fx4.0b6
You need to log in before you can comment on or make changes to this bug.