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MutationEvent

Summary

Represents events for tracking modifications, insertions and deletions of attributes and nodes in the DOM. Mutation Events (W3C DOM Level 3 Events) have been deprecated in favor of Mutation Observers (W3C DOM4).

Do not use it in old or new projects.

Pages or Web apps using it may break at any time.

Inherits from EventEvent

Properties

attrChange
Gets a value that indicates what type of change occurred.
attrName
Gets the name of the attribute that changed.
newValue
Gets the new value of the attribute or text node.
prevValue
Gets the previous value of the attribute or text node.
relatedNode
Gets a second node related to a mutation event.

Methods

initMutationEvent
Initializes a new DOM mutation (modification) event that the createEvent method created.

Events

No events.

Inherited from Event

Properties

bubbles
Gets a value that indicates whether an event propagates up from the event target.
cancelable
Gets a value that indicates whether you can cancel an event’s default action.
currentTarget
Gets the event target that is currently being processed.
defaultPrevented
Gets whether the default action should be canceled.
eventPhase
Gets the event phase that is being evaluated.
isTrusted
Gets a value that indicates whether a trusted event source created an event.
target
Gets the element that is the original target of the event.
timeStamp
Gets the time, in milliseconds, when an event occurred.
type
Gets the name of an event.

Methods

initEvent
Initializes a new generic event that the createEvent method created.
preventDefault
Cancels the default action of an event, if possible.
stopImmediatePropagation
Prevents any further propagation of an event.
stopPropagation
Prevents propagation of an event beyond the current target.

Events

DOMContentLoaded
:

afterprint
:

afterupdate
:

beforeactivate
:

beforecopy
:

beforecut
:

beforeeditfocus
:

beforepaste
:

beforeprint
:

beforeunload
:

beforeupdate
:

bounce
:

cellchange
:

change
:

contextmenu
:

controlselect
:

copy
:

cut
Fires after a data selection is cut to the clipboard.
dataavailable
Fires when new data at a data source becomes available.
datasetchanged
Fires when content at a data source has changed.
datasetcomplete
Fires when data transfer from the data source has completed.
deactivate
Sets an active version of an object to not active.
error
Fires when an error occurs.
errorupdate
Executes any error handling associated with the event.

filterchange
:

finish
:

Notes

Mutation events occur when DOM nodes are inserted and removed, or when character data or attributes are modified. For more information, see initMutationEvent.

Related specifications

DOM Level 2 Events
Recommendation

See also

Related articles

Deprecated

Attributions