index.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <h1>Hi There!</h1>

    <img src="./cat.jpeg" width="300" height="300" />

    <script>
      async function registerServiceWorker() {
        if ("serviceWorker" in navigator) {
          try {
            const registration = await navigator.serviceWorker.register(
              "sw.js"
            );
            console.log(
              "Service Worker registered with scope:",
              registration.scope
            );
          } catch (error) {
            console.error("Service Worker registration failed:", error);
          }
        }
      }

      registerServiceWorker();
    </script>
  </body>
</html>