Firebase Realtime Database: Uncaught TypeError: firebase.database is not a function

Question

I'm trying to add firebase realtime database to my website, but when i use firebase.database(); i get the following error:

btncnt.js:44 Uncaught TypeError: firebase.database is not a function

This is my code:

    var Config = {
        apiKey: "********************",
        authDomain: "**********.firebaseapp.com",
        databaseURL: "https://*************",
        projectId: "***********",
        storageBucket: "**********",
        messagingSenderId: "**************",
        appId: "************"
    };
    // Initialize Firebase
    firebase.initializeApp(Config);
    console.log(firebase);
    var database = firebase.database();

Why is firebase.database not a function?

You have to include the firebase core <script src="/__/firebase/6.3.4/firebase-app.js"></script> and firebase database <script src="/__/firebase/6.3.4/firebase-database.js"></script>, if you want to you firebase.database();. You can also include the entire SDK like this: <script src="/__/firebase/6.3.4/firebase.js"></script>. See this section by firebase. — Minding
– Minding, Commented Aug 4, 2019 at 12:25

Minding · Accepted Answer · 2019-08-04 13:53:42Z

3

You have to include the firebase core

<script src="/__/firebase/6.3.4/firebase-app.js"></script>

...and firebase database

<script src="/__/firebase/6.3.4/firebase-database.js"></script>

...if you want to use firebase.database();.

You can also include the entire SDK like this:

<script src="/__/firebase/6.3.4/firebase.js"></script>

See this firebase article for more information.

answered Aug 4, 2019 at 13:53

Minding

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