Question

Consider following code.

{{data.userName}}

The data object is fetched from a service and turns out to be null. In such a case, how can you ensure that the app doesn't crash or log any errors?

A)

{{data.userName == null? data.userName: ' '}}

B) No change required. The app will work just fine without any errors

C)

{{data?.userName}}

D)

{{data.userName != null}}

Answer 1

Wtt is ur question i don't understand.