SO - Order in jQ UI sortable

http://stackoverflow.com/q/8556493/1011582

by alx000

HTML

<ul>
    <li id="1">1</li>
    <li id="2">2</li>
</ul>
<ul>
    <li id="3">3</li>
    <li id="4">4</li>
    <li id="5">5</li>
    <li id="6">6</li>
</ul>
<ul>
    <li id="7">7</li>
    <li id="8">8</li>
    <li id="9">9</li>
</ul>
<div id="order"></div>

CSS

li {
    width: 50px;
    background-color: #bada55;
    margin: 5px;
}

ul {
border: 1px solid #000;
}

JavaScript

$("ul").sortable({        
    update: function (event, ui) {
        $("#order").text($(this).sortable('toArray').toString());
    }
});