JSFiddle - React, Tailwind, and code Playground

by erickeno

HTML

<h2>what time is is it <a id="counter"> 0</a></h2>

<input type="button" id="startButton" value="Click Me"></input>

JavaScript

var counter = 0;
$("#startButton").click(function () {
    var updateCounter = function () {
        if (counter <= 19) {
            counter++;
            document.getElementById("counter").firstChild.nodeValue = counter;
        } else {
            clearInterval();
            document.getElementById("counter").firstChild.nodeValue = "";
        }

    }

    timer2 = setInterval(updateCounter, 1000);

});