How well do you know prototype (part II)
1) Detecting key events easily How do we detect which key was pressed? Prototype provides set of key event aliases so that we don’t have to remember that return is “13″ and escape is “27″. Almost all major keys are aliased: KEY_RETURN, KEY_ESC, KEY_TAB, KEY_LEFT, KEY_UP, KEY_RIGHT, KEY_DOWN. See full list in API docs $(‘myInput’).observe(‘keyup’, [...]