JSFiddle - React, Tailwind, and code Playground

HTML

<p id="timer"></p>

JavaScript

$(document).ready(function() {
    var input = 120;
    function calculateTime(timer){
        var timer = timer;
        var mins = Math.floor(timer/60);
        var secs = timer % 60;
        var time = (mins < 10 ? "0" : "" ) + mins + ":" + (secs < 10 ? "0" : "" ) + secs;
        return time;
    };
    
  setInterval(function(){
      data = calculateTime(input)
      if(input > 0){
      $("#timer").text(data);
       input--;
      }
      else{
      $("#timer").text("Time Out, Njoy Coding in JavaScript")
      }
      
    }, 5000);
});

<!-- Timer Created by Santosh Mohanty([email protected]) -->