JSFiddle - React, Tailwind, and code Playground

HTML

<div id="cssmenu"><a href="#" id="aboutlink">About</a></div><div id="aboutcontainer">djdsidjkjd<br><br></div><div id="goback">Go back</div>

JavaScript

$('#aboutcontainer').hide();
$('#goback').hide();

function menuclick(menuitem, menucontent) {
   $('"#' + menuitem + '"').click(function() {
      $('#cssmenu').hide();
      $('"#' + menucontent + '"').show();
      $('#goback').show();
   })
};


      menuclick(aboutlink, aboutcontainer);