[jQuery] excel like movement with arrow keys in a html table

[jQuery] excel like movement with arrow keys in a html table

I would like to be able to move through a table using the arrow keys the same way you can in excel, up down left right. I've seen this done using JS with each cell having a unique id but I would like to avoid naming the cells. I would guess you would use the cellIndex somehow but I'm new to this. Can anyone help me out with some code or at least a point me in the right direction.
Thx
Daniel
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