What is the error when connecting Firebase?

M

Morrowind2020-05-20 23:46:53

JavaScript

Morrowind, 2020-05-20 23:46:53

Hello.
I've been suffering for several days with a banal Firebase connection.

I act according to the manual and Google, but it turns out so-so.
What am I doing wrong?
Or does firebase need to import libraries in nodejs ? Beyond npm packages.

Error in the browser console: ReferenceError: require is not defined
If you expand it in more detail, it complains about the same line of imports: var firebase = require('firebase')

html clearly does not like import from the app.js file
Attempts to replace 1 line in JS with require ('firebase/app') and require('firebase/database') didn't work.
ES6 import swears even worse in the console.

HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://www.gstatic.com/firebasejs/7.14.4/firebase-app.js"></script>
    <script type = "text/javascript" src = "app.js"></script>
</head>
<body>
    
</body>
</html>

In app.js itself

var firebase = require('firebase')

var firebaseConfig = {
    apiKey:'#####",
    authDomain:'#####',
    databaseURL:'#####',
    projectId:'#####',
    storageBucket:'#####',
    messagingSenderId:'#####",
    appId:'#####"'
  };
  // Initialize Firebase
  firebase.initializeApp(firebaseConfig);

  let test = firebase.database()
  console.log(test)

Thanks in advance!

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