JSFiddle - React, Tailwind, and code Playground

by _sir

HTML

<ul class="vertical-links">
    <li><a href="#">TELEVIZORI</a>

        <ul class="submenu">
            <li><a>LED</a>

            </li>
            <li><a>Plazma</a>

            </li>
        </ul>
    </li>
    <li><a href="#">AUDIO VIDEO</a>

        <ul class="submenu">
            <li><a>DVD Player</a>

            </li>
            <li><a>Linije</a>

            </li>
        </ul>
    </li>
</ul>

CSS

.vertical-active {
    background:#0F6;
}

JavaScript

$(document).ready(function (e) {
    $(".vertical-links a").on("mouseenter mouseleave", function(){
        $(this).toggleClass('vertical-active');
    });    
});