keypress + escape + event key code + Firefox

[nanodeath]

I want to capture when the user hits "Esc" on a input text field on keypress, but this event gets propagated with the "which" value 0 on Firefox (0 is the charCode, 27 is the keyCode). keyup and keydown have their values propagated correctly.

Expected: pressing Esc should propagate 27 as value for event.which. Actual: pressing Esc propagates 0 as value (in Firefox 3).

Note: this behavior is also present in jQuery 1.2.6.

[rmaclean]

This appears to be a duplicate of #3311

[boushley]

This jsfiddle can be used to test what happens with keycodes. ​http://jsfiddle.net/boushley/YxunV/1/

Interestingly, IE 8 (didn't get a chance to test 6 or 7) properly show code 27, Firefox shows code 0, and Chrome/Safari don't register a keypress event for pressing escape.

[SlexAxton]

Hmm, I wonder if there's a way to normalize this given that webkit doesn't seem to send anything at all. Appreciate the test case boushley. :)

[dmethvin]

Duplicate of #7183.