Lesson 4
Introduction to Promises
13 stages
Why Promises Exist
What is a Promise?
Promise States Check
Creating a Promise
Handling Success with .then()
Your First .then()
Transform the Value in .then()
Handling Failure with .catch()
Catch a Rejected Promise
Create a Promise That Can Resolve or Reject
Cleanup with .finally()
Use .finally() for Cleanup
Promises Review
Next step
Move forward when you're ready.
Continue with Promise Chaining.