1function handleRequest(request, response) {
2  response.processAsync();
3
4  timer = Components.classes["@mozilla.org/timer;1"].createInstance(
5    Components.interfaces.nsITimer
6  );
7  timer.init(
8    function() {
9      response.write("Here the content. But slowly.");
10      response.finish();
11    },
12    5000,
13    Components.interfaces.nsITimer.TYPE_ONE_SHOT
14  );
15}
16