var firebaseConfig = {
    apiKey: "AIzaSyBHMiAD60UYu1V-R-5SxoKViiZVTMVk7wc",
    authDomain: "students-6cafd.firebaseapp.com",
    databaseURL: "https://students-6cafd.firebaseio.com",
    projectId: "students-6cafd",
    storageBucket: "students-6cafd.appspot.com",
    messagingSenderId: "988005708211",
    appId: "1:988005708211:web:17b9d1b1d7198821"
  };
  // Initialize Firebase
  firebase.initializeApp(firebaseConfig);
  
  var database = firebase.database()
  
  var ref = database.ref("students")
  
  // name : azer , age : 20

  function createData(name , age){
      var student = {
      name : name ,
      age : age
    }
    return student
  }
  
  var azer = createData("azer" , 20)
  
  ref.push(azer)