Programming FundamentalsBeginner
Function
PronunciationFUNK-shun
Definition
A reusable block of code that does one job. You give it inputs and it can return a result.
Where you hear it
Everywhere: "call the function", "extract this into a function", "pure function".
Examples
Extract the validation logic into its own function.
This function returns
nullwhen the user is not found.
Common mistake
Writing one huge function that does many things. A function should do one thing and be easy to name.
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