Chapter 8. Reuse your code: Clean it with function detergent
This chapter discusses one of the most interesting and important topics: functions!
This chapter covers
- What a function is
- How a function is created and used
- How to pass data to a function
- How to receive data from a function
You’ve reached the eighth milestone: reuse your code. Before you get started, here’s the main thing you need to know about functions: functions exist so that you can reuse and clean your code.
Read on, and I’ll explain why you might want to ...
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