All I really need is to figure what is the most efficient way to remove the delimeters...

The description/task/explanation could use some basic examples or at least a link to a Wikipedia article.

I committed an equally wrong solution just to see whether it works. I assume/hope some of these warriors were just trying the same thing.

There should be a way to down vote this one.

As others have indicated, the instructions should specify required allowances for spacing, punctuation, and case.

The most natural definition of a palindrome is ASCIIbetical - this kata folds punctuation, spacing, and casing, but doesn't mention it in description.

instructions not clear

Fail if index == items.length

Amazing, this is wrong and gets three upvotes for best practices??? Can we downvote solutions?

I think it would be helpful to mention in the description that the palindrome method needs to remove punctuation.

Would be good if the description mentioned that one should ignore whitespace, punctionations, and the case of a character.

Good!