JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.microsoft.com/ajax/jquery.validate/1.7/jquery.validate.js"></script>
<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.2/themes/ui-lightness/jquery-ui.css">

<form id="form1" runat="server">
    
    
    <div id="multiDropMenu">
        <ul id="menu">
            <li><a href="#" id="places">Places</a>
                <ul id="dropdown1">
                    <li><a href="http://google.com">To Go</a></li>
                    <li><a href="#">To See</a></li>
                </ul>
            </li>
            <li><a href="#">Transportation</a></li>
        </ul>
    </div>
    
</form>

CSS

.dropdownhoverIn
{
    background-color: White;
    color: #39C;
}

JavaScript

$("#menu li").hover(function() {
    $(this).find("ul a").addClass("dropdownhoverIn");
    $(this).find("ul").slideToggle(250);
});