firebase update return result
var fredNameRef = new Firebase('https://docs-examples.firebaseio.com/samplechat/users/fred/name'); fredNameRef.on('value', function(snap) { console.log(snap.val()); }); fredNameRef.update({ first: 'Wilma', last: 'Flintstone' }); credit: https://stackoverflow.com/questions/36105690/how-to-return-success-data-after-update-in-firebase