Я новичок в Firebase. Я делаю простую форму входа с Javascript. и я хочу сохранить эти данные в базе данных реального времени firebase. но я получаю эту ошибку.
Uncaught TypeError: firebase.database не является функцией
Есть весь мой код, который находится внутри тега body. Но все еще получаю эту ошибку в моей консоли
<body>
<div class="row">
<div class="container">
<h2>Contact Form</h2>
<div class="alert alert-success success-message" style="display:none;">Form submitted successfully.</div>
<form id="contactForm">
<div class="form-group">
<label for="exampleFullName">Full Name</label>
<input type="text" class="form-control fullname" id="exampleFullName" placeholder="Enter Full Name" required>
</div>
<div class="form-group">
<label for="exampleEmail">Email</label>
<input type="email" class="form-control email" id="exampleEmail" placeholder="Enter Email" required>
</div>
<div class="form-group">
<label for="exampleSubject">Subject</label>
<input type="text" class="form-control subject" id="exampleSubject" placeholder="Enter Subject" required>
</div>
<div class="form-group">
<label for="exampleMessage">Message</label>
<textarea class="form-control message" id="exampleMessage" placeholder="Enter Message" cols="30" rows="10" required></textarea>
</div>
<button type="submit" class="btn btn-primary">Submit</button>
</form>
</div>
</div>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
<!-- The core Firebase JS SDK is always required and must be listed first -->
<script src="https://www.gstatic.com/firebasejs/7.14.2/firebase-app.js"></script>
<!-- TODO: Add SDKs for Firebase products that you want to use
https://firebase.google.com/docs/web/setup#available-libraries -->
<script src="https://www.gstatic.com/firebasejs/7.14.2/firebase-analytics.js"></script>
<script>
// Your web app's Firebase configuration
var firebaseConfig = {
apiKey: "xxxxxxxxxx",
authDomain: "xxxxxxxxxxxxxxxxxx",
databaseURL: "xxxxxxxxxxxxxxx",
projectId: "xxxxxxxxxxxxxxxxxx",
storageBucket: "xxxxxxxxxxxxxxxxx",
messagingSenderId: "xxxxxxxxxxxxxxxx",
appId: "xxxxxxxxxxxxxxxxxxxxxx",
measurementId: "xxxxxxxxxxxxxx"
};
// Initialize Firebase
firebase.initializeApp(firebaseConfig);
firebase.analytics();
// Reference messages collection
var messagesRef = firebase.database().ref('contactformmessages');
$('#contactForm').submit(function(e) {
e.preventDefault();
var newMessageRef = messagesRef.push();
newMessageRef.set({
name: $('.fullname').val(),
email: $('.email').val(),
subject: $('.subject').val(),
message: $('.message').val()
});
$('.success-message').show();
$('#contactForm')[0].reset();
});
</script>
</body>
Может кто-нибудь помочь?