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Callbacks, Promises, Async Await - JavaScript Fetch API Explained
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- 1 Intro
- 2 What is a callback function?
- 3 What is the problem with callbacks?
- 4 JavaScript Promises have 3 states
- 5 A promise may not return a value where you expect it to: You need to wait for a promise to resolve
- 6 Using thenables with a promise
- 7 An easy mistake to make with promises
- 8 Creating an async function
- 9 Applying await inside the function
- 10 Example 1: Retrieving user data
- 11 Example 2: Retrieving dad jokes
- 12 Example 3: Posting data
- 13 Example 4: Retrieving data with URL parameters
- 14 Abstract it all into single responsibility functions
