How to capture the arrow keys in node.js

Question

What is the utf8 code for all four arrow keys (up down left right)?

I am learning node.js and I am trying to detect whenever these keys are being pressed.

He

Answer 1

Assuming you mean the key codes:

Up: 38
Down: 40
Left: 37
Right: 39

http://www.cambiaresearch.com/articles/15/javascript-char-codes-key-codes

To capture them in JavaScript:

if (key.which == 39) {
    // go right!
}