I wrote this code to receive all comments from the database and then print them one by one in the console. The code is:

import {
  getDatabase,
  ref,
  child,
  get,
} from "https://www.gstatic.com/firebasejs/9.8.0/firebase-database.js";

const dbRef = ref(getDatabase());

get(child(dbRef, `comentarios/`))
  .then((snapshot) => {
    if (snapshot.exists()) {
      //Get an array of objects
      var coment = snapshot.val();
      console.log(coment)

      //Transforms array of objects into normal array
      const commentsExtracted = coment.map((coment) => {
        return coment.coment;
      });

      //Print the comments to the console
      for (let i = 0; i < commentsExtracted.length; i++) {
        if (
          commentsExtracted[i] != undefined ||
          commentsExtracted[i] == ""
        ) {
          console.log(commentsExtracted[i]);
        }
      }
    } else {
      console.log("No data available");
    }
  })
  .catch((error) => {
    console.error(error);
  });

the error that is shown in the console is:

comentarios.js:37 TypeError: coment.map is not a function