A function is a reusable action
Instead of rewriting the same instructions, JavaScript can keep them together inside a function and run them when needed.
Learn what functions are, why reusable instructions matter, and how clear naming helps beginners.
Instead of rewriting the same instructions, JavaScript can keep them together inside a function and run them when needed.
A clear name tells the reader what the code is trying to do before they inspect every line.
A tiny function that changes one message is enough to teach the core idea before you move into larger scripts.