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How To Configure Firebase Database Rules?

Initialize the Real-time Database JavaScript SDK -
You must specify your Real-time Database URL when initializing your JavaScript SDK. You can find your Real-time Database URL with ProjectId i.e.
-        https://fir-demo-63b26.firebaseio.com/

Initialize your SDK using below code-

// Set the configuration for your app
<script src="https://www.gstatic.com/firebasejs/4.4.0/firebase.js"></script>
<script>
  // Initialize Firebase
  var config = {
    apiKey: "AIza33ACyqBfafJ32Rtt5R12MVvXSBvHa6fD1Q4X",
    authDomain: "fir-demo-63b26.firebaseapp.com",
    databaseURL: "https://fir-demo-63b26.firebaseio.com",
    projectId: "fir-demo-63b16",
    storageBucket: "fir-demo-63b26.appspot.com",
    messagingSenderId: "44244534636121"
  };
  firebase.initializeApp(config);
</script>


Add Firebase to your web app looks like –



Stayed Informed - Firebase Tutorial for Android and IOS

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