JSFiddle - React, Tailwind, and code Playground

HTML

<div id="rightmenu"></div>

CSS

#rightmenu{
    border:1px solid black;
    height:100px;
    width:100px;
    position:absolute;
    left:30%;
}

JavaScript

var checker = new Boolean();
	checker = true;
    $("#rightmenu").click(function () { 
        var left = checker ? "10%" : "30%";
        $(this).animate({left: left},400);   
        checker = !checker;
    });