mh108
2/5/2019 - 8:07 PM

DevTools Debugger Test Case

rollDoubles.js
content_copyfile_download
// jshint esversion: 6

let rollDie = function() {
  return Math.floor(Math.random() * 6 + 1);
};

//return the number of rolls to hit double n's
let rollDoubles = function(n) {
  let rollCount = 0,
    d1,
    d2;

  //roll until double n's
  do {
    d1 = rollDie();
    d2 = rollDie();
    ++rollCount;
  } while (d1 != n && d2 != n);

  return rollCount;
};

let n = prompt("enter n (1..6)");
alert(`Double ${n}'s in ${rollDoubles(n)} rolls.`);
console.log(`Double ${n}'s in ${rollDoubles(n)} rolls.`);
rollDoubles.html
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<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <title>Doubles Debug</title>
</head>

<body>
  <h2>Doubles Debug Demo</h2>
  <p>Reload the page to Run the Code.</p>
  <script src="rollDoubles.js"></script>
</body>

</html>