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What does "return value" mean in programming?
return value is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
The value a function sends back to the code that called it. Functions can return a value using a return statement. If a function has no return statement, it returns undefined or null depending on the language.
Example
"Check the return value of the function to know if the operation succeeded."
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