Programmer's Guide > Interfaces > W3C Event interface > PhaseType enumeration
  
PhaseType enumeration
An integer indicating which phase of event flow is being processed.
The PhaseType enumeration has the following constants of type unsigned short.
CAPTURING_PHASE = 1
The current event phase is the capturing phase.
AT_TARGET = 2
The event is currently being evaluated at the target EventTarget.
BUBBLING_PHASE = 3
The current event phase is the bubbling phase.