JSFiddle - React, Tailwind, and code Playground

pulsometro

by abubelinha

HTML

<script src="https://cdn.rawgit.com/davidshimjs/qrcodejs/master/qrcode.min.js"></script>
<button style="font-size: 45px;" id="tap" onclick="contataps();">
Dalle</button>
<div id=divcontador style="height:250px;overflow:scroll;"></div>
<div id="qrcode"></div><div id="myurl">
</div>

JavaScript

var myurl=window.location.href;
myurl=document.URL;
myurl="https://jsfiddle.net/abubelinha/3t7h6hgq/";
new QRCode(
"qrcode", {
text: myurl ,
width: 74, height: 74
});
document.getElementById("myurl").innerHTML = myurl;

var d = new Date();
var inicio = d.getTime();
var previo=inicio;
document.getElementById("divcontador").innerHTML = inicio;
function contataps() {
	var d = new Date();
  var n = d.getTime();
  var incr=n-previo;
  previo=n;
	var contador = document.getElementById("divcontador");
  contador.innerHTML+="<li>"+n+" (+"+incr+")</li>"
  // https://stackoverflow.com/questions/270612/scroll-to-bottom-of-div
  contador.scrollTop = contador.scrollHeight;
}