JSFiddle - React, Tailwind, and code Playground

HTML

<div class="" onclick="myFunction()" >Teste</div>

JavaScript

var varOpenNav = true;

  function openNav() {
     alert("1");
  }

 function closeNav() {
   alert("2");
 }

 function myFunction() {
   if(varOpenNav){
     openNav();
     varOpenNav = false;
   }else{
      closeNav();
      varOpenNav = true;
   }
 }