LeoMcA/gist:5789701

## gistfile1.html
<!doctype>
<html>
  <head>
    <meta charset="utf8">
    <title>Lotto!</title>
    <style>
      input {
        width: 50px;
      }

      #results {
        width: 500px;
        height: 500px;
        overflow: scroll;
      }
    </style>
  </head>
  <body>
    <label>Bets: <input class="bets" value="1"><input class="bets" value="2"><input class="bets" value="3"><input class="bets" value="4"><input class="bets" value="5"><input class="bets" value="6"></label>
    <label>Iterations: <input id="iterations" value="1"></label>
    <label>Min random number: <input id="min-rand" value="1"></label>
    <label>Max random number: <input id="max-rand" value="49"></label>
    <button>CLICK ME!</button>

    <div id="results">
    </div>

    <script>

      function $ (selector) {
        return document.querySelector(selector);
      }

      function addToResults (html) {
        $("#results").insertAdjacentHTML("beforeend", html+"<br>");
      }

      function getRandomInt (min, max) {
        return Math.floor(Math.random() * (max - min + 1)) + min;
      }

      function drawNumbers (times, min, max) {
        var numbers = new Array();

        while (numbers.length < times) {
          var rand = getRandomInt(min,max);
          var match = false;
          numbers.forEach(function (val) {
            if (val == rand) match = true;
          });
          if (!match) numbers.push(rand);
        }

        return numbers;
      }

      function getBets () {
        var bets = new Array(6);
        for (var i = 0; i < bets.length; i++) {
          bets[i] = document.querySelectorAll(".bets")[i].value;
        }
        return bets;
      }

      function iterateNumbers (numbers, bet) {
        for (var x = 0; x < numbers.length; x++) {
          if (bet == numbers [x]) return true;
        }
        return false;
      }

      function iterateBets (bets, numbers) {
        var match = false;
        for (var i = 0; i < bets.length; i++) {
          match = iterateNumbers(numbers, bets[i]);
          if (!match) return false;
        }
        return true;
      }

      function iterateUntilMatch () {
        var start = Date.now();
        var bets = getBets();
        var iterations = 0;
        var min = parseInt($("#min-rand").value);
        var max = parseInt($("#max-rand").value);
        while (true) {
          var numbers = drawNumbers(6, min, max);
          var match = iterateBets(bets, numbers);
          if (match) {
            var end = Date.now();
            addToResults(iterations+" iterations, took: "+(end-start)+"ms");
            break;
          }
          iterations++;
        }
        return iterations;
      }

      function iterateIterations () {
        var start = Date.now();
        var results = Array();
        var sum = 0;
        for (var x = 0; x < parseInt($("#iterations").value); x++) {
          var iterations = iterateUntilMatch();
          results.push(iterations);
        }
        results.forEach(function (val) {
          sum += val;
        });
        var mean = sum/results.length;
        var end = Date.now();
        addToResults("Mean: "+mean+" iterations, took: "+(end-start)+"ms");
      }

      $("button").addEventListener("click", iterateIterations);

    </script>
  </body>
</html>
	<!doctype>
	<html>
	<head>
	<meta charset="utf8">
	<title>Lotto!</title>
	<style>
	input {
	width: 50px;
	}

	#results {
	width: 500px;
	height: 500px;
	overflow: scroll;
	}
	</style>
	</head>
	<body>
	<label>Bets: <input class="bets" value="1"><input class="bets" value="2"><input class="bets" value="3"><input class="bets" value="4"><input class="bets" value="5"><input class="bets" value="6"></label>
	<label>Iterations: <input id="iterations" value="1"></label>
	<label>Min random number: <input id="min-rand" value="1"></label>
	<label>Max random number: <input id="max-rand" value="49"></label>
	<button>CLICK ME!</button>

	<div id="results">
	</div>

	<script>

	function $ (selector) {
	return document.querySelector(selector);
	}

	function addToResults (html) {
	$("#results").insertAdjacentHTML("beforeend", html+"<br>");
	}

	function getRandomInt (min, max) {
	return Math.floor(Math.random() * (max - min + 1)) + min;
	}

	function drawNumbers (times, min, max) {
	var numbers = new Array();

	while (numbers.length < times) {
	var rand = getRandomInt(min,max);
	var match = false;
	numbers.forEach(function (val) {
	if (val == rand) match = true;
	});
	if (!match) numbers.push(rand);
	}

	return numbers;
	}

	function getBets () {
	var bets = new Array(6);
	for (var i = 0; i < bets.length; i++) {
	bets[i] = document.querySelectorAll(".bets")[i].value;
	}
	return bets;
	}

	function iterateNumbers (numbers, bet) {
	for (var x = 0; x < numbers.length; x++) {
	if (bet == numbers [x]) return true;
	}
	return false;
	}

	function iterateBets (bets, numbers) {
	var match = false;
	for (var i = 0; i < bets.length; i++) {
	match = iterateNumbers(numbers, bets[i]);
	if (!match) return false;
	}
	return true;
	}

	function iterateUntilMatch () {
	var start = Date.now();
	var bets = getBets();
	var iterations = 0;
	var min = parseInt($("#min-rand").value);
	var max = parseInt($("#max-rand").value);
	while (true) {
	var numbers = drawNumbers(6, min, max);
	var match = iterateBets(bets, numbers);
	if (match) {
	var end = Date.now();
	addToResults(iterations+" iterations, took: "+(end-start)+"ms");
	break;
	}
	iterations++;
	}
	return iterations;
	}

	function iterateIterations () {
	var start = Date.now();
	var results = Array();
	var sum = 0;
	for (var x = 0; x < parseInt($("#iterations").value); x++) {
	var iterations = iterateUntilMatch();
	results.push(iterations);
	}
	results.forEach(function (val) {
	sum += val;
	});
	var mean = sum/results.length;
	var end = Date.now();
	addToResults("Mean: "+mean+" iterations, took: "+(end-start)+"ms");
	}

	$("button").addEventListener("click", iterateIterations);

	</script>
	</body>
	</html>