btn.setLabel(btn.getLabel() + "."); alert(event + "\n\nClicked on: " + this.getLabel()); atom1.setLabel(atom1.getLabel() + "."); // test delegate function var f = function(e) { alert(e + '\n\nclick received at delegate function\n\n'); } // test delegate object var d = { hello : 'world', click : function(e) { alert(e + '\n\nclick received at delegate object\n\n' + this.hello); } }