The comma operator in JavaScript evaluates two or more expressions from left to right and discards the result of the first expression. It can be used for variable declarations, function calls, conditional statements, and more, making code more concise and readable.
The comma operator in JavaScript evaluates multiple expressions within a single statement, discarding the left-hand operand's result and returning the right-hand operand's value, allowing for concise code but should be used sparingly to avoid making code harder to read.
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