finally [JavaScript snippet]

function throw_if_2(a) {

  if (a == 2) {
    throw "a == 2";
  }

  return a*2;
}

function pass_on(a) {

  txt_out('going to pass ' + a);

  try {
    throw_if_2(a);
  }
  catch (e) {
    txt_out("caught: " + e);
  }
  finally {
    txt_out('I have finally passed ' + a + ' to throw_if_2');
  }
}

function main() {
  pass_on(1);
  txt_out('');
  pass_on(2);
}