JSFiddle - React, Tailwind, and code Playground

by huppen

HTML

<div id="text">

</div>

JavaScript

var datetime;
function lastupdate() {
  var currenttime = new Date();
  		var minutes = currenttime.getMinutes();
      minutes = minutes > 9 ? minutes : '0' + minutes;
      datetime = currenttime.getHours() + ":" + minutes;
  //console.log(datetime);
  $("#text").text("Stand der Daten: " + datetime + " Uhr");
}

lastupdate();

function compare() {
  var a = datetime; //aktuelle Zeit
  var b = "12:23";
  var aa1 = a.split(":");
  var aa2 = b.split(":");

  var c = aa2[0]-aa1[0];
  console.log(aa2[0] + "-" + aa1[0] + " = " + c);
  
}

compare();