Appendix D – Asynchronous Programming with Callbacks
- Synchronous and Asynchronous
- Callbacks
- Creating a Callback Function
- Calling The Callback Function
- Callback – Another Example
- Issue with ‘this’ Keyword in Callback Functions
- Handling this Problem
- Handling this Problem – Method 1 (Storing in Another Variable)
- Handling this Problem – Method 2 (Using Bind Function)
- Handling this Problem – Method 3 (Using ES6 Arrow Functions)
- Error Handling without Callback
- Error Handling with Callback
- Asynchronous Callback
- setImmediate() and nextTick()
- API Example
- Summary
