Vue Js Create Random Token

<!DOCTYPE html>
<html lang="en">
<head>
  <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
  <div id="app">
    <h2>Vue Js Create Random Token</h2>
    <button @click="generateToken">Generate Token</button>
    <p v-if="token">Random Token: {{ token }}</p>
  </div>
  <script type="module">
    const app = new Vue({
      el: "#app",
      data() {
        return {
          token: '',
        };
      },
      methods: {
        generateRandomToken(length) {
          const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
          const charactersLength = characters.length;
          let token = '';

if (typeof window !== 'undefined' && window.crypto) {
            const randomValues = new Uint32Array(length);
            window.crypto.getRandomValues(randomValues);

for (let i = 0; i < length; i++) {
              token += characters.charAt(randomValues[i] % charactersLength);
            }
          } else {
            // Fallback to Math.random() for environments without window.crypto support
            for (let i = 0; i < length; i++) {
              const randomIndex = Math.floor(Math.random() * charactersLength);
              token += characters.charAt(randomIndex);
            }
          }

return token;
        },
        generateToken() {
          const randomToken = this.generateRandomToken(10);
          this.token = randomToken;
        },
      },
    });
  </script>
  <style scoped>
    #app {
      display: flex;
      flex-direction: column;
      align-items: center;
      margin-top: 50px;
    }

h2 {
      font-size: 24px;
      margin-bottom: 20px;
    }

button {
      padding: 10px 20px;
      background-color: #4CAF50;
      color: white;
      border: none;
      border-radius: 4px;
      cursor: pointer;
      font-size: 16px;
      transition: background-color 0.3s ease;
    }

button:hover {
      background-color: #45a049;
    }
  </style>

</body>

</html>