Does anyone know if jQuery UI\'s Sortable has built-in functionality to keep the original dropped item in it\'s original list?
For example, you have two lists (one \'sou
You can see my solution in action on jsfiddle. I simply amended this jQuery draggable/droppable interaction to suit your needs.
HTML
<div class="demo">
    <h2>List 1</h2>
    <ul>
        <li class="draggable ui-state-highlight">Drag me down</li>
        <li class="draggable ui-state-highlight">Drag me down</li>
    </ul>
    <h2>List 2</h2>
    <ul id="sortable">
        <li class="ui-state-default">Item 1</li>
        <li class="ui-state-default">Item 2</li>
        <li class="ui-state-default">Item 3</li>
        <li class="ui-state-default">Item 4</li>
        <li class="ui-state-default">Item 5</li>
    </ul>
</div>
jQuery
$(function() {
    $("#sortable").sortable({
        revert: true
    });
    $(".draggable").draggable({
        connectToSortable: "#sortable",
        helper: "clone",
        revert: "invalid"
    });
    $("ul, li").disableSelection();
});
CSS
.demo ul { list-style-type: none; margin: 0; padding: 0; margin-bottom: 20px; }
.demo li { margin: 5px; padding: 5px; width: 150px; border: 1px solid black; }