JSFiddle - React, Tailwind, and code Playground

HTML

<div>start</div>

JavaScript

for(var i=6;i>=0;i--)
            {
               
                setTimeout((function(i)
                      {
                          
                    $("div").delay(4000).html(i);
                    alert(i); //if commented unable to see the countdown
                    
                      })
                    (i),4000);
                //alert(1);
                
            }