Vue Js Convert username and password to base64

<!DOCTYPE html>
<html lang="en">
<head>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
    <div id="app">
        <h1>Vue js convert username and passpwrd to base64</h1>
        <h2>Login Form</h2>
        <form @submit.prevent="submitForm">
            <label for="username">Username:</label>
            <input type="text" id="username" v-model="username">
            <br>
            <label for="password">Password:</label>
            <input type="password" id="password" v-model="password">
            <br>
            <button type="submit">Submit</button>
            <p v-if="result">Base64 string: {{result}}</p>
        </form>
    </div>
    <script type="module">
        const app = new Vue({
            el: "#app",
            data() {
                return {
                    username: 'admin',
                    password: 'password',
                    result: ''
                };
            },
            methods: {
                submitForm() {
                    const base64Credentials = btoa(`${this.username}:${this.password}`);
                    this.result = base64Credentials
                    // You can now use the base64Credentials variable to send the encoded credentials to the server
                }
            }
        })
    </script>
    <style scoped>
        /* Center the content */
        #app {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

/* Style the heading tags */
        h1,
        h2 {
            text-align: center;
            font-weight: normal;
        }

h1 {
            font-size: 2rem;
        }

h2 {
            margin-top: 2rem;
            font-size: 1.5rem;
        }

/* Style the form */
        form {
            margin-top: 2rem;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

label {
            font-size: 1.2rem;
        }

input[type="text"],
        input[type="password"] {
            padding: 0.5rem;
            border: 2px solid #ccc;
            border-radius: 4px;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }

button[type="submit"] {
            background-color: #4CAF50;
            color: white;
            padding: 0.5rem 1rem;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 1.2rem;
        }

button[type="submit"]:hover {
            background-color: #3e8e41;
        }
    </style>
</body>

</html>