onunload Property
Returns or sets a Variant that represents the value of the onunload attribute that is the name of the script to run when the onunload event fires.
expression.onunload
*expression * Required. An expression that returns one of the objects in the Applies To list.
Example
The following example sets the onunload attribute for the BODY element in the active document.
ActiveDocument.body.onunload = "script()"
Applies to | FPHTMLBody Object | FPHTMLFrameSetSite Object | FPHTMLWindow2 Object | FPHTMLWindowProxy Object | IHTMLBodyElement Object | IHTMLFrameSetElement Object | IHTMLWindow2 Object