HTML version of luck tester

luck_tester.html

<input id="button" type="button" value="WHAT'S MY LUCK!?!" onclick="return window.run()" />
<h1 id="results"></h1>
<script type="text/javascript">
  var count = 0;
  var result = '';
  window.run = function() {
    console.log('running');
    var rand = Math.floor((Math.random() * 292000000)) + 1;
    var check = 0;
    while(true) {
      check = Math.floor((Math.random() * 292000000)) + 1;
      if(check === rand) {
        break;
      }
      rand = Math.floor((Math.random() * 292000000)) + 1;
      count++;
    }
    result = 'You spent ' + (count * 2).toLocaleString('en-US', {
      style: 'currency',
      currency: 'USD'
    });
    result = result + '<br />Your luck is 1 in ' + count
    result = result + '<br />Given the 1.5B payout you made ' + (1500000000 - (count * 2)).toLocaleString('en-US', {
      style: 'currency',
      currency: 'USD'
    });
    document.getElementById('results').innerHTML=result;
    document.getElementById('button').value='TRY AGAIN?';
  }
</script>