Chat App with Firebase - index.js - 1

index.js

var firebaseConfig = {
  apiKey: "xxx-xxx-xxx-xxx-xxx-xxx-xxx-xxx",
  authDomain: "xxx-xxx-xxx-xxx-xxx-xxx-xxx-xxx",
  databaseURL: "xxx-xxx-xxx-xxx-xxx-xxx-xxx-xxx",
  projectId: "xxx-xxx-xxx-xxx-xxx-xxx-xxx-xxx",
  storageBucket: "xxx-xxx-xxx-xxx-xxx-xxx-xxx-xxx",
  messagingSenderId: "xxx-xxx-xxx-xxx-xxx-xxx-xxx-xxx",
  appId: "xxx-xxx-xxx-xxx-xxx-xxx-xxx-xxx",
};

firebase.initializeApp(firebaseConfig);

const db = firebase.database();

const username = prompt("Please Tell Us Your Name");