JSFiddle - React, Tailwind, and code Playground
by marsone
HTML
<link rel="stylesheet" href="http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css">
<ul id="menu">
<li id="first_li" class="ui-state-disabled"><a href="#">Aberdeen</a>
</li>
<li id="second_li"><a href="#">Ada</a>
</li>
<li><a href="#">Adamsville</a>
</li>
<li><a href="#">Addyston</a>
</li>
<li> <a href="#">Delphi</a>
<ul>
<li><a href="#">Ada</a>
</li>
<li><a href="#">Saarland</a>
</li>
<li><a href="#">Salzburg</a>
</li>
</ul>
</li>
<li><a href="#">Saarland</a>
</li>
<li> <a href="#">Salzburg</a>
<ul>
<li><a href="#">Perch</a>
</li>
</ul>
</li>
<li class="ui-state-disabled"><a href="#">Amesville</a>
</li>
</ul>
CSS
.ui-menu {
width: 150px;
}
JavaScript
$(function () {
var newLi = document.createElement('li');
var newLink = document.createElement('a');
newLink.appendChild(document.createTextNode('Abracadabra'));
newLink.setAttribute('href', '#');
newLi.appendChild(newLink);
console.log(newLink);
console.log(newLi);
// add the newly created li and its content into the Menu
my_li = document.getElementById("second_li");
menu=document.getElementById("menu");
menu.insertBefore(newLi, my_li);
$("#menu").menu();
});