I was about to ask if you meant a key as in an index in the array. I forgot that Arrays are objects in JavaScript, as pretty much everything else. But still, I am not sure what you mean by the function executing on a key.
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I was about to ask if you meant a key as in an index in the array. I forgot that Arrays are objects in JavaScript, as pretty much everything else. But still, I am not sure what you mean by the function executing on a key.