The word "null" is used to indicate that a function returns no data.

Name: The word "null" is used to indicate that a function returns no data.
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The word "null" is used to represent the absence of a value or a "no value" situation, not specifically to indicate that a function returns no data. Functions that return no data are typically said to return "void" or "undefined" depending on the programming language.

The Word "Null" Is Used to Indicate That a Function