newlineboolean.js

function booleanWithNewline () {
  return //make a newline
    true;
}

function booleanWithoutNewLine (){
  return true;
}

function resultWithNewline () {
  var result = 
    true;
  return //make a newline
    result;
}

function resultWithoutNewline () {
  var result = 
    true;
  return result;
}

function booleanWithParenthesis (){
  return (
    true
  );
}

typeof (booleanWithNewline()); // undefined
typeof (booleanWithoutNewLine()); // boolean
typeof (resultWithNewline()); // this is also undefined
typeof (resultWithoutNewline()); // boolean
typeof (booleanWithParenthesis()); // boolean