JSFiddle - React, Tailwind, and code Playground

HTML

<li class="dropdown">
    <a href="/software" target="" data-toggle="">Software</a>
    <ul class="dropdown-menu">
        <li id="row" class="dropdown-submenu">
            <a href="/" target="">_Software One</a>
            <ul class="dropdown-menu">
                <li id="row" class="dropdown-submenu">
                    <a href="/" target="">Sub Category</a>
                    <ul class="dropdown-menu">
                        <li>
                            <a href="/" target="">Sub Sub Category</a>
                        </li>
                    </ul>
                </li>
                <li>
                    <a href="/" target="">Sub Category</a>
                </li>
                <li id="row" class="dropdown-submenu">
                    <a href="/" target="">Sub Sub Category</a>
                    <ul class="dropdown-menu">
                        <li>
                            <a href="/" target="">Sub Sub Category</a>
                        </li>
                    </ul>
                </li>

                <li>
                    <a href="/" target="">Sub Category</a>
                </li>
            </ul>
        </li>
        <li id="row" class="dropdown-submenu">
            <a href="/" target="">_Software Two</a>
            <ul class="dropdown-menu">
                <li id="row" class="dropdown-submenu">
                    <a href="/" target="">Sub Category</a>
                    <ul class="dropdown-menu">
                        <li>
                            <a href="/" target="">Sub Sub Category</a>
                        </li>
                        <li>
                            <a href="/" target="">Sub Sub Category</a>
                        </li>
                    </ul>
                </li>
            </ul>
        </li>
        <li>
            <a href="/" target="">Category One</a>
        </li>

        <li>
            <a href="/" target="">Category Two</a>
        </li>

    </ul>

</li>

CSS

a{ text-decoration: none;}

JavaScript

$(function() {
  $('.dropdown-submenu').html($('.dropdown-submenu').html().replace(/\_/g,''));
});