JSFiddle - React, Tailwind, and code Playground

HTML

<div id="time"></div>

JavaScript

var dt = new Date();
var time = dt.getHours() + ":" + dt.getMinutes();

$("#time").text(time);

setInterval(function(){
    
    dt = new Date();
    time = dt.getHours() + ":" + dt.getMinutes();
    console.log(time);
    $("#time").text(time);
    
},5000);