JSFiddle - React, Tailwind, and code Playground
HTML
<span id="time"></span>
JavaScript
$(document).ready(function(){
var dt = new Date();
var time = dt.getHours() + ":" + dt.getMinutes();
$("#time").text(time);
setInterval(function(){
console.log("interval");
dt = new Date();
time = dt.getHours() + ":" + dt.getMinutes();
console.log(time)
$("#time").text(time);
},5000);
});