es6 promises

Question 1

What are the three states a Promise can be in?

Answer 1

• pending: initial state, neither fulfilled nor rejected.
• fulfilled: meaning that the operation was completed successfully.
• rejected: meaning that the operation failed.

Question 2

How do you handle the fulfillment of a Promise?

Answer 2

promise.then(value => {})

Question 3

How do you handle the rejection of a Promise?

Answer 3

promise.catch(value => {})