eventTargetNodes[0] = eventTargetNodes[1] = eventTargetNodes[2] = null;
}
void throwError(String shortMsg, Throwable th, VoidDelegate<Throwable> errorHandler) {
if(th == null) th = new JsException(shortMsg);
if(errorHandler != null) {
errorHandler.voidDelegate(th);
} else {
onError(th);