JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.16/jquery-ui.min.js"></script>
<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.16/themes/base/jquery-ui.css">
<link rel="stylesheet" href="http://static.jquery.com/ui/css/demo-docs-theme/ui.theme.css">
<div class="demo">

<ol id="selectable">
    <li class="ui-state-default">1</li>
    <li class="ui-state-default">2</li>
    <li class="ui-state-default">3</li>
    <li class="ui-state-default">4</li>
    <li class="ui-state-default">5</li>
    <li class="ui-state-default">6</li>
    <li class="ui-state-default">7</li>
    <li class="ui-state-default">8</li>
    <li class="ui-state-default">9</li>
    <li class="ui-state-default">10</li>
    <li class="ui-state-default">11</li>
    <li class="ui-state-default">12</li>
</ol>

</div><!-- End demo -->

CSS

#feedback { font-size: 1.4em; }
    #selectable .ui-selecting { background: #FECA40; }
    #selectable .ui-selected { background: #F39814; color: white; }
    #selectable { list-style-type: none; margin: 0; padding: 0; }
    #selectable li { margin: 3px; padding: 1px; float: left; width: 100px; height: 80px; font-size: 4em; text-align: center; }

JavaScript

var _selectRange = false, _deselectQueue = [];
$(function() {
    $( "#selectable" ).selectable({
        selecting: function (event, ui) {
            if (event.detail == 0) {
                _selectRange = true;
                return true;
            }
            if ($(ui.selecting).hasClass('ui-selected')) {
                _deselectQueue.push(ui.selecting);
            }
        },
        unselecting: function (event, ui) {
            $(ui.unselecting).addClass('ui-selected');
        },
        stop: function () {
            if (!_selectRange) {
                $.each(_deselectQueue, function (ix, de) {
                    $(de)
                        .removeClass('ui-selecting')
                        .removeClass('ui-selected');
                });
            }
            _selectRange = false;
            _deselectQueue = [];
        }
    });
});