Availability

DOM Level 2 Events

Constants

The following constant defines the one legal value for the code property of an EventException object. Note that this constant is a static property of EventException, not a property of individual exception objects.

unsigned short UNSPECIFIED_EVENT_TYPE_ERR = 0

An Event object has a type property that is uninitialized, or is null or the empty string.

Properties

unsigned short code

An error code that provides some detail about what caused the exception. In the Level 2 DOM there is only one possible value for this field, defined by the constant above.

Description

An EventException is thrown by certain event-related methods to signal a problem of some sort. (In the DOM Level 2 specification, an exception of this type is thrown only by EventTarget.dispatchEvent( )).