Sending data to Firebase database from Javascript

Question

I am very new in javascript and Firebase Database, and I cant quite comprehend how to send data to my database from it. I am sending data from an html document and I know how to record the information in to a variable, but now I want to send it to firebase and I dont know how to initialize the Firebase Database from Javascript. Thank you.

the firebase docs is a good place to search. firebase.google.com/docs/database/web/start — OmarAguinaga
– OmarAguinaga, Commented Oct 5, 2017 at 18:02
I see that you are a very new user. New users are very important to us and we'd like to help you be more successful on this site. Please take a look at this Help Article about asking a good question that's likely to get a good answer. — TecBrat
– TecBrat, Commented Oct 5, 2017 at 18:15

Sumit Ridhal · Accepted Answer · 2017-10-05 18:50:54Z

3

You need to use JavaScript SDK of Firebase. Configure you app first.

<script src="https://www.gstatic.com/firebasejs/4.5.0/firebase.js"></script>
<script>
  // Initialize Firebase
  // TODO: Replace with your project's customized code snippet
  var config = {
    apiKey: "<API_KEY>",
    authDomain: "<PROJECT_ID>.firebaseapp.com",
    databaseURL: "https://<DATABASE_NAME>.firebaseio.com",
    storageBucket: "<BUCKET>.appspot.com",
    messagingSenderId: "<SENDER_ID>",
  };
  firebase.initializeApp(config);
</script>

To read data:

firebase.database().ref('/list').once('value').then(function(data) {
  // ...
});

read this documentation for more details:

Add Firebase to your JavaScript Project

answered Oct 5, 2017 at 18:50

Sumit Ridhal

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