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What does "typeof" mean in programming?
typeof 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
A JavaScript operator that returns a string indicating the type of a value at runtime. Possible results include 'string', 'number', 'boolean', 'object', 'function', and 'undefined'.
Example
"if (typeof value === 'string') { /* safe to call string methods */ }"
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