How to remove values in firebase

Question

Just a little question :
Now i have this structure

images
---- uniqueId
-------- id_logement : 1747657
-------- image : dataimage
---- uniqueId         


        

Answer 1

There is actually an easier way.

Just call the ref property in your snapshot, and use .on('child_added',...)

var ref = firebase.database().ref('images');
ref.orderByChild('id_logement').equalTo(key).on('child_added', (snapshot) => {
     snapshot.ref.remove()
});