javascript - Using e.keyCode || e.which; how to determine the difference between lowercase and uppercase?

Question

I am using e.keyCode || e.which; to determine which key was pressed, but I am getting 65 for both a and A why is this happening and how can I detect the difference between the two?

Answer 1

just use e.which in jquery. They normalize this value for all browsers.

Additionally you can check for e.shiftKey.