omad/shuffle.html

## shuffle.html
<html>
<head>
    <title></title>
    <script src="//code.jquery.com/jquery-1.11.0.min.js"></script>
</head>
<body>
    <h1>Shuffle Table</h1>
    <ol>
        <li>Copy your selection from Excel into the text area below</li>
        <li>Press the shuffle button. (go on, press it a few times if you want)</li>
        <li>Copy everything in the text area and paste back into Excel</li>
    </ol>

    <textarea name="" id="table" cols="80" rows="20"></textarea>
    <button type="button" id="shuffle">Shuffle</button>
    <p>
        by Damien Ayers
    </p>
</body>
<script>

    $("#shuffle").on("click", function() {

        var table = $("#table");
        var newText = "";

        var lines = table.val().split("\n");

        for (var i = 0; i < lines.length; i++) {
            var cells = lines[i].split("\t");

            newText += shuffle(cells).join("\t");
            newText += "\n";
        }

        table.val(newText);
    });

function shuffle(array) {
    var counter = array.length, temp, index;

    // While there are elements in the array
    while (counter > 0) {
        // Pick a random index
        index = Math.floor(Math.random() * counter);

        // Decrease counter by 1
        counter--;

        // And swap the last element with it
        temp = array[counter];
        array[counter] = array[index];
        array[index] = temp;
    }

    return array;
}

</script>
</html>
	<html>
	<head>
	<title></title>
	<script src="//code.jquery.com/jquery-1.11.0.min.js"></script>
	</head>
	<body>
	<h1>Shuffle Table</h1>
	<ol>
	<li>Copy your selection from Excel into the text area below</li>
	<li>Press the shuffle button. (go on, press it a few times if you want)</li>
	<li>Copy everything in the text area and paste back into Excel</li>
	</ol>

	<textarea name="" id="table" cols="80" rows="20"></textarea>
	<button type="button" id="shuffle">Shuffle</button>
	<p>
	by Damien Ayers
	</p>
	</body>
	<script>

	$("#shuffle").on("click", function() {

	var table = $("#table");
	var newText = "";

	var lines = table.val().split("\n");

	for (var i = 0; i < lines.length; i++) {
	var cells = lines[i].split("\t");

	newText += shuffle(cells).join("\t");
	newText += "\n";
	}

	table.val(newText);
	});

	function shuffle(array) {
	var counter = array.length, temp, index;

	// While there are elements in the array
	while (counter > 0) {
	// Pick a random index
	index = Math.floor(Math.random() * counter);

	// Decrease counter by 1
	counter--;

	// And swap the last element with it
	temp = array[counter];
	array[counter] = array[index];
	array[index] = temp;
	}

	return array;
	}

	</script>
	</html>