Back to Basics - Event Propagation by Simple Example

    Its very common to ask this question in interviews related to flex but some on the application development background dont even bother to know these minor things. It doesnt deny them from getting onboard as well. But this has been the most favorite topic of Ananth (my Ex-director @ Flex Team). Okay, here is the glimpse of it in few words:

Capture phase: Flash Player checks every node from the root of the tree to the direct parent of the target node to see whether it has a listener registered to
handle the event.
Target phase: The event is dispatched to the target node.
Bubbling phase: Flash Player carries out a check in a reverse manner with respect to that of the capturing phase (starting from the direct parent of the target node to the root of the tree).

Here is a lay-man's sample:

There is obviously a lot more to it, but this is only a basic...