RxJs Quiz

Check RxJs operators.

• caterpai

• metapod

• pluck

• beedrill

• throttle

How can you get the previous and current element as an array?

If you have 2 endpoints that return same result, but with different response time, how can you make sure your app get the response from the fastest one?

The empty operator creates an empty observable.

What is the output of:

const subscribe = empty().subscribe({

next: () => console.log('Next'),

complete: () => console.log('Complete!')

});

• Next Complete!

• Next

• Complete!

What type of observable is when the producer is created and activated during subscription?

• hot

• cold

• subject

• pokemon

How can you catch an error?

• catchError

• catch

How can you take the response from the observable that emit first from a list of observables.

• race

• run

• go

• walk

Is is possible to convert a cold observable to a hot one?

• no

• yes

• no because is cold outside

• yes, you boil it