X Property Viewer

Viewer Controls

Event Controls

Event Receiver

document

d1

d11

d12

td1

td2

Event Types

mousemove

mouseover

mouseout

mousedown

mouseup

click

keydown

keyup

keypress

Test Elements

d1 - position:static
d11 - position:relative
d111 - position:static
t1 - position:relative 
 td1

p1 - position:static

d12 - position:absolute
d121 - position:static
t2 - position:static 
 td2

p2 - position:relative

Demo 1, demo 2, demo 3 and demo 4. The new Property Viewer also uses xFenster. Here is an experimental feature which was not implemented in revision 16.