1.3 Returns whether event.stopImmediatePropagation() was ever called on this event object.

This property was introduced in DOM level 3.

Checks whether event.stopImmediatePropagation() was called.

" + msg + "" );
}

$("button").click(function(event) {
  immediatePropStopped(event);
  event.stopImmediatePropagation();
  immediatePropStopped(event);
});
]]>

click me

]]>