throw [JavaScript snippet]

function throw_if_2(a) {

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

  return a*2;
}

function main() {

  txt_out('bla');

  var e = "EEEE";

  try {
    throw_if_2(2);
  }
  catch (e) {
    txt_out("caught: " + e);
  }

  txt_out("e after catching: " + e);
}