text: fuddify("Be very quiet, I'm hunting rabbits.");
  fuddify("You screwy rabbit.");
  fuddify("Rabbit tracks!");
  
  function fuddify(speech) {
  	// if it's not a string, return an error message
  	if (typeof speech !== "string") {
  		console.error("Nice twy, wabbit!");
  		return;
  	}
  
  	// otherwise, make it sound like Elmer Fudd
  	speech = speech.replace(/r/g, "w");
  	speech = speech.replace(/R/g, "W");
  
  	return speech;
  }
  
  var utterance = fuddify("You screwy rabbit");
  utterance;
  
  //long form of isEven function
  function isEven(num) {
  	if (num % 2 === 0) {
  		return true;
  	} else {
  		return false;
  	}
  }
  
  //short hand of isEven function
  function isEven(num) {
  	return num % 2 === 0;
  }
  
  12 % 2;
  isEven(44);
  
  // More info:
  // https://developer.mozilla.org/en-US/docs/JavaScript/Guide/Functions
  // https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Statements/function
  