DOM 2 UI, Mouse & Mutation Events support in Opera Presto 2.12

Opera Presto has full support for DOM 2 Events with no exceptions.

• The work on DOM 3 Events has restarted at the W3C.
• We expect to have no exceptions when it becomes a recommendation.

Opera Presto provides support for DOM 2 UI, Mouse and Mutation Events as described in the following table.

Object/Attribute/Method	Module	Support
EventTarget	Event	Yes
addEventListener()	Event	Yes
removeEventListener()	Event	Yes
dispatchEvent()	Event	Yes
EventListener	Event	Yes
Event	Event	Yes
CAPTURING_PHASE	Event	Yes
AT_TARGET	Event	Yes
BUBBLING_PHASE	Event	Yes
type	Event	Yes
target	Event	Yes
currentTarget	Event	Yes
eventPhase	Event	Yes
bubbles	Event	Yes
cancelable	Event	Yes
timeStamp	Event	Yes
stopPropagation()	Event	Yes
preventDefault()	Event	Yes
initEvent()	Event	Yes
cancelBubble	JavaScript	Yes
data	JavaScript	Yes
fromElement	JavaScript	Yes
keyCode	JavaScript	Yes
offsetX	JavaScript	Yes
offsetY	JavaScript	Yes
reason	JavaScript	Yes
returnValue	JavaScript	Yes
srcElement	JavaScript	Yes
which	JavaScript	Yes
x	JavaScript	Yes
y	JavaScript	Yes
EventException	Event	Yes
UNSPECIFIED_EVENT_TYPE_ERR	Event	Yes
code	Event	Yes
DocumentEvent	Event	Yes
createEvent()	Event	Yes
UIEvent	UI Event	Yes
view	UI Event	Yes
detail	UI Event	Yes
initUIEvent()	UI Event	Yes
MouseEvent	Mouse Event	Yes
screenX	Mouse Event	Yes
screenY	Mouse Event	Yes
clientX	Mouse Event	Yes
clientY	Mouse Event	Yes
ctrlKey	Mouse Event	Yes
shiftKey	Mouse Event	Yes
altKey	Mouse Event	Yes
metaKey	Mouse Event	Yes
button	Mouse Event	Yes
relatedTarget	Mouse Event	Yes
initMouseEvent()	Mouse Event	Yes
MutationEvent	Mutation Event	Yes
MODIFICATION	Mutation Event	Yes
ADDITION	Mutation Event	Yes
REMOVAL	Mutation Event	Yes
relatedNode	Mutation Event	Yes
prevValue	Mutation Event	Yes
newValue	Mutation Event	Yes
attrName	Mutation Event	Yes
attrChange	Mutation Event	Yes
initMutationEvent()	Mutation Event	Yes