[] var res = document.getAnonymousElementByAttribute(this, "anonid", "result"); document.getAnonymousElementByAttribute(this, "anonid", "listener"). addEventListener("XBLEvent", function(e) { res.firstChild.data = "[" + e.target.id + "]"; }, false); [] document.getAnonymousElementByAttribute(this, "anonid", "inner"). setAttribute("id", this.getAttribute('id') + "_inner"); var res = document.getAnonymousElementByAttribute(this, "anonid", "result"); document.getAnonymousElementByAttribute(this, "anonid", "listener"). addEventListener("XBLEvent", function(e) { res.firstChild.data = "[" + e.target.id + "]"; }, false);