Firebase, only get new children [duplicate]

Answer 1

Answering question: Source: Firebase child_added only get child added Pointed out by: @Bernherd Hoffman

var firebaseRef = new Firebase("...");

firebaseRef.endAt().limit(1).on('child_added', function(snapshot){
//Do your stuff
});

Note: you will get 1 previous record, you you can filter that out.