What are promises in angular?

Related questions

1. What is meant by Promise in Angularjs?
2. What is the significance of promise?
3. What does the async pipe do?
4. How do promises work in JavaScript?
5. How do promises work internally?
6. What is difference between observable and promises?
7. What is protractor promise?
8. What is promise all?
9. What is the difference between callbacks and promises?
10. What is resolve in promise?

Tags

1. #functions
2. #asynchronous
3. #provided
4. #registering
5. #provide
6. #execute
7. #series
8. #promises
9. #angularjs
10. #object
11. #built
12. #service
13. #promise