Just an addition to your article that I missed. One of the most important .map properties is that it returns a new array, it doesn't mutate current array. This is particularly useful in React/Redux, or where you want your objects to safely persist state.
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Just an addition to your article that I missed. One of the most important .map properties is that it returns a new array, it doesn't mutate current array. This is particularly useful in React/Redux, or where you want your objects to safely persist state.