Newb Array question

JavaScript
1

Hello,
I get that arrays are 0 based but why is arr.length = 5 and arr[5] = undefined?

const arr = [10, 9, 8 , 7, 6];

console.log(arr.length)
console.log(arr[5])
3

thank you for laying it out like that. Seeing that example made it make sense to me.

4

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