Not really, we use the brackets because a pair of {} standing alone is seen as a an expression, a code block, and code blocks do not appear on the Left side of an assignment, so we have to wrap it in () to convert to a statement. If it were in arrays it would be fine to do it without the parentheses.
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We using () because variables were declared before use?
Not really, we use the brackets because a pair of {} standing alone is seen as a an expression, a code block, and code blocks do not appear on the Left side of an assignment, so we have to wrap it in () to convert to a statement. If it were in arrays it would be fine to do it without the parentheses.