Changes

Indicates the action that happened for this window. Possible values are:

<li><tt>create</tt>: a new toplevel or child DOM Window was created</li>

<li><tt>open</tt>: a toplevel DOM Window was opened</li>

<li><tt>close</tt>: a toplevel DOM Window was closed</li>

<li><tt>destroy</tt>: a toplevel or child DOM Window was destroyed</li>

<tt>window = [integer window id]</tt>