Interrogate Firebase to retrieve the Key

I'm attempting to query firebase, and I am encountering challenges when trying to retrieve a unique key from the record. While my filter is functioning correctly, I am struggling to identify the object property names within the data. The .key() method consistently returns an error for me. Below is a snippet of what the returned object looks like:

GET /js/init.js 200 5.048 ms - 207
GET /img/logo.png 200 2.376 ms - 2793
{ '-KP8qXgQRaeClqzKX1Lo': { email: '<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="b1d3d5deddd4f1d6dcd0d8dd9fd2dedc">[email protected]</a>' } }
GET /sent 200 7.923 ms - 8110

Below is the code snippet that I am working with:

    firebase.database().ref('/customers').orderByChild("email").equalTo(email).on("value", function(snapshot) {
      console.log(snapshot.val());
    },function (errorObject) {
      console.log("The read failed: " + errorObject.code);
    });

The unique key is crucial for me as it dictates the subsequent steps in my process.

Answer №1

Utilize the child_added method to monitor and retrieve keys of newly added records.

firebase.database().ref('customers').on('child_added', function(snapshot) {
    console.log(snapshot.key); //Prints the unique key
});

Answer №2

    Retrieve customer key from Firebase database when email matches.

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