JSFiddle - React, Tailwind, and code Playground

HTML

<header>
    <button id="nav-button">Toggle menu</button>
</header>
<div id="slidermenu">Menu</div>

CSS

body, html {
    margin: 0;
}
header {
    height: 30px;
    background-color: lime;
}
#nav-button {
    position: absolute;
    right: 10px;
    top: 5px;
}
#slidermenu {
    position: fixed;
    width: 300px;
    height: 100%;
    top: 30px;
    background-color: tomato;
    right: -300px;
}

JavaScript

$('#nav-button').click(function () {
    $("#slidermenu").stop();

    animateToPosition = "0px";
    if ($("#slidermenu").hasClass("open")) {
        animateToPosition = "-300px";
    }

    $("#slidermenu").toggleClass("open");

    $("#slidermenu").animate({
        right: animateToPosition
    }, 200);

});