JSFiddle - React, Tailwind, and code Playground

HTML

<div id="worked">03:31:14</div>

JavaScript

$(document).ready(function(e) {
    var $worked = $("#worked");
    function update() {
        var myTime = $worked.html();
        var ss = myTime.split(":");
        var dt = new Date();
        dt.setHours(ss[0]);
        dt.setMinutes(ss[1]);
        dt.setSeconds(ss[2]);
        var dt2 = new Date(dt.valueOf() + 1000);
        var ts = dt2.toTimeString().split(" ")[0];
        $worked.html(ts);
        setTimeout(update, 1000);            
    }
    
    setTimeout(update, 1000);
});