JS Async: 02. Callback: set interval

by istiq20

HTML

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>Set Interval</title>
  </head>
  <body>
    <h1 id="header"></h1>
    <script>
      function setTime() {
        const header = document.getElementById("header");
        header.textContent = new Date().toString();
      }

      setInterval(setTime, 1000);
      document.writeln("Program Selesai");
    </script>
  </body>
</html>