JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#mainMenu" class="menuLink">Main</a>

<div id="mainMenu" class="menu">
    <ul>
        <li class="menuItem"><a href="#">item 1</a>
        </li>
        <li class="menuItem"><a href="#">item 2</a>
        </li>
        <li class="menuItem"><a href="#">item 3</a>
        </li>
        <li class="menuItem"><a href="#">item 4</a>
        </li>
        <li class="menuItem"><a href="#">item 5</a>
        </li>
    </ul>
</div> <a href="#menuTwo" class="menuLink">Menu 2</a>

<div id="menuTwo" class="menu">
    <ul>
        <li class="menuItem"><a href="#">item 1</a>
        </li>
        <li class="menuItem"><a href="#">item 2</a>
        </li>
        <li class="menuItem"><a href="#">item 3</a>
        </li>
        <li class="menuItem"><a href="#">item 4</a>
        </li>
        <li class="menuItem"><a href="#">item 5</a>
        </li>
    </ul>
</div>

CSS

#mainMenu {
    background-color: lightblue;
}
#menuTwo {
    background-color: lightgreen;
}
.menu {
    display: none;
    border: 1px solid black;
}

JavaScript

$(document).ready(function () {
    //Attach a handler to the document for clicks.
    $(document).on("click", function (e) {
        //Get the click's target and convert to $ object.
        $target = $(e.target);
        //Find out if the click occurred on a menu.
        $parents = $target.closest(".menu");
        if ($parents.length > 0) {
            console.log(["Menu click", e]);
            return;
        } else {
            //If it wasn't on a menu close the open menu.
            console.log(["Non-menu click", e]);
            $('.menu').hide();
        }
    });

    //Handle showing the menu.
    $('.menuLink').on("click", function (e) {
        //Close all other menus.
        $('.menu').hide();
        console.log("Started");
        e.stopPropagation();
        e.preventDefault();
        var targetMenu = $(e.target).attr("href");
        $(targetMenu).show();
    });
});