Methods

dispatchChangeEvent

Stability: experimental

Source:

• observable.js, line 35

on

Stability: experimental

Listen for a certain type of event.

Parameters:

Name	Type	Argument	Description
type	string | Array.<string>		The event type or array of event types.
listener	function		The listener function.
this	Object	<optional>	The object to use as this in listener.

Source:

• observable.js, line 58

Returns:

Unique key for the listener.

Type

goog.events.Key

once

Stability: experimental

Listen once for a certain type of event.

Parameters:

Name	Type	Argument	Description
type	string | Array.<string>		The event type or array of event types.
listener	function		The listener function.
this	Object	<optional>	The object to use as this in listener.

Source:

• observable.js, line 71

Returns:

Unique key for the listener.

Type

goog.events.Key

un

Stability: experimental

Unlisten for a certain type of event.

Parameters:

Name	Type	Argument	Description
type	string | Array.<string>		The event type or array of event types.
listener	function		The listener function.
this	Object	<optional>	The object to use as this in listener.

Source:

• observable.js, line 83

unByKey

Stability: experimental

Removes an event listener using the key returned by on() or once().

Parameters:

Name	Type	Description
key	goog.events.Key	Key.

Source:

• observable.js, line 93