I can not understand multi-dimensional example clearly

I am declare a multi-dimensional array then I want to get a single index output.
like I want to output “A” . How can I do it help please

code link https://codepen.io/arnabchakma-the-vuer/pen/OJgXZWZ

What have you tried so far, what results did you get?

1 Like

I get full array result because iam document.write(multiArray)
I should output document.write(ArrayResult) now I found my mistake

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