Quiz Button

https://codepen.io/joe_bacal/pen/qXNOYN

html

<button onclick="quizMe()">Take the Quiz!</button>

javascript

function quizMe(){
  var theirAnswer = prompt('What color is the sky?');
  if (theirAnswer == 'blue' || theirAnswer == 'Blue'){
    alert('You got it right!');
  } else {
    alert('Sorry, you got it wrong.');
  }
}