Uncaught ReferenceError: Firebase is not defined

In the heading, include the following:

<head>
    <script src='https://cdn.firebase.com/js/client/2.2.1/firebase.js'></script>
    <script src='https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js'></script>
  </head>

That'll solve the problem.


There is a guide on how to migrate to the new version.
You can find it at: https://firebase.google.com/support/guides/firebase-web

And here is the relevant snippet for you

enter image description here


if you are using firebase web api then its very important to include core firebase SDK first in the body tag, this SDK provide firebase accessibility. as shown in image .

,After that we have to include all related api code . which is availible

1 theses will helpful for you ,and it will surly solve your problem ,which is firebase is not defined ,you don't need to add any other script's

2

Tags:

Javascript

Firebase

Firebase Realtime Database

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