JSFiddle - React, Tailwind, and code Playground

HTML

<li class="foo">
    <div>
        <ul>
            <li>
                <div>
                    <a href="#">Link</a>
                </div>
            </li>
        </ul>
    </div>
</li>

JavaScript

var $wrapper = $('li.foo'),
    $keep = $wrapper.find('a'),
    $result = $wrapper.empty().append($keep);

console.log($result[0].outerHTML);