firebase.auth.RecaptchaVerifier is not a constructor error

Question

Trying to add the Firebase script in my html, after initializing Firebase app with firebase.initializeApp(config);.

So then I have this :

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Answer 1

Solved by changing version of the imported files with : (thanks a lot Frank)

      <script src="https://www.gstatic.com/firebasejs/5.7.0/firebase-app.js"></script>
      <script src="https://www.gstatic.com/firebasejs/5.9.0/firebase-firestore.js"></script>
      <script src="https://www.gstatic.com/firebasejs/5.7.0/firebase-storage.js"></script>
      <script src="https://www.gstatic.com/firebasejs/5.9.0/firebase-auth.js"></script>
      <script src="https://www.gstatic.com/firebasejs/5.9.0/firebase-database.js"></script>
      <script src="https://www.gstatic.com/firebasejs/5.9.0/firebase-messaging.js"></script>
      <script src="https://www.gstatic.com/firebasejs/5.9.0/firebase-functions.js"></script>