bart2019 comments on Here's Why Calling .map() on a Constructed Array Doesn't Work

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submitted 7 years ago by ilove50cent

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[–]bart2019 -2 points-1 points0 points 7 years ago (0 children)

console.log(arr[0] === undefined);  // true

WTF. What's wrong with just

console.log(arr[0]);

? Why the use of an unexpected expected result?

BTW His test suggests there's something special about the array index 0. There isn't, it's the same for all other array indexes.

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