Sigma-Web-Dev-Course/Video 83/Solutions/12_solve.html at a61400de658dc44c11c33d0a865027c3b4d18e09 · CodeWithHarry/Sigma-Web-Dev-Course · GitHub

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<!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>
  <button class="login">Login</button>
  <script>

    async function authentication(user) {
      return new Promise(resolve => {
        document.querySelector(".login").innerHTML = "Logged In";
        setTimeout(() => {
          if (localStorage.getItem('user')) {
            localStorage.removeItem('user');
          }
          resolve("Token expired");
        }, 5000);
      })
    }

    document.querySelector(".login").addEventListener("click", () => {
      let name = prompt("Enter your username");
      let pwd = prompt("Enter your password");
      let user = { name: name, pass: pwd };
      localStorage.setItem('user', JSON.stringify(user));
      authentication(user).then(resolve => {
        document.querySelector(".login").innerHTML = "Login";
        alert(resolve);
      })
    })
  </script>
</body>

</html>