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What does "comma" mean in programming?

comma 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 , character. In code, commas separate items in lists, arrays, function arguments, and object properties. Trailing commas (a comma after the last item) are allowed in modern JS/TS and reduce diff noise.

Example

"const colors = ['red', 'green', 'blue'];"

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