Getting started with Firebase Realtime Database https://www.youtube.com/watch?v=noB98K6A0TY&index=2&list=PLl-K7zZEsYLmnJ_FpMOZgyg6XcIGBu2OX

app.js

(function(){
  
	// Initialize firebase
 	const config = {
 	}
 	firebase.initializeApp(config);
	
	
	// Get Elements
	const preObject = document.getElementById("object");
	
	// Create References
	const dbRefObject = firebase.database().ref().child('Object');
	
	// Sync object changes
	dbRefObject.on('value', snap => {
		preObject.innerText = = JSON.stringify(snap.val(), null, 3);
	});
 
})