HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Refresh max-age</title>
</head>
<body>
  <h1>Sliding session</h1>
  <button type="button" id="run">Refresh session</button>
  <pre id="out"></pre>
  <script>
    var oneHour = 60 * 60;

    function touchSession() {
      document.cookie = "session=token-abc; max-age=" + oneHour + "; path=/; SameSite=Lax";
      return "Session expiration refreshed\n\n" + document.cookie;
    }

    document.getElementById("run").addEventListener("click", function () {
      document.cookie = "session=token-abc; max-age=" + oneHour + "; path=/; SameSite=Lax";
      document.getElementById("out").textContent = touchSession();
    });
  </script>
</body>
</html>

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