JSFiddle - React, Tailwind, and code Playground

HTML

<nav id="siteNav">
    <ul>
        <li class="nav1"><a href="#landing" title="Home">Home</a>

            <li class="nav2"><a href="#products" title="Products">Products</a>

                <li class="nav3"><a href="#about-us" title="About Us">About Us</a>

                    <li class="nav4"><a href="#sign-up" title="Sign Up">Sign Up</a>

                        <li class="nav5"><a href="" title="Videos">Videos</a>

    </ul>
</nav>

JavaScript

$(window).bind("hashchange", function (e) {
    alert()
});