I am new in firebase. I am using firebase in my angular 2 project. I pushed some data to firebase DB. But i don't know how to get the size of data in db. if we push data to firebase, the data in firebase is something like this. I need to get the length of the firbase Object
-JgaQt-tNq-gRVIVZdCD
artist: 'name'
track: '001'
-JgaQuBoYk9VX3pWylx3
artist: 'name'
track: '002'
-JgaQuf_pyBFJ7EA1Fo_
artist: 'name'
track: '003'
Please suggest!!