How can i upload files on Firebase storage inside folder with key generated names using JavaScript

Here is an image of my Firebase storage which is used by Android and IOS i want save the same from the web also I am trying this it is storing data but not in the folder

var storesRef = rootRef.child('Audio');
storesRef.put(file, metadata);

Answer

You can use Realtime database’s push keys and get random IDs and use them as your file name in Firebase storage:

var filetype = "mp3"

var newPostKey = firebase.database().ref().child('temp').push().key;

var uploadTask = rootRef.child(`Audio/${newPostKey}.${filetype}`).put(file, metadata);