You're basically comparing functional style vs imperative style. Functional style is higher level (as in C is higher level than assembly) and we often compose generic functions that can be applied in multiple situations such as reduce (used to loop through and accumulate values over collections).
It may seem less readable to the untrained eye but when you're used to it, you appreciate not having to think about the low level details, which often imply mutation, state management and so on, which with enough time will grow spaghetti and become difficult to maintain.
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You're basically comparing functional style vs imperative style. Functional style is higher level (as in C is higher level than assembly) and we often compose generic functions that can be applied in multiple situations such as
reduce(used to loop through and accumulate values over collections).It may seem less readable to the untrained eye but when you're used to it, you appreciate not having to think about the low level details, which often imply mutation, state management and so on, which with enough time will grow spaghetti and become difficult to maintain.