Javascript Key Handling And Browser Compatibility

I'm working on key handling in Javascript. I have done some research and I'd like to know whether I have a correct understanding of key handling. KeyDown/KeyUp Event The key down a

Solution 1:

See the following pages, they will answer your quetions:

onkeydown event, onkeypress event, keyCode property, charCode property, which property

Solution 2:

The following article by Jan Wolter has never failed me and is far and away the best resource on browser key events I've seen: http://unixpapa.com/js/key.html. It answers all the questions you posed.

One thing to emphasize is that with careful use of the key event properties at your disposal you will almost certainly never need to sniff for a particular browser in your key handling code.

Solution 3:

2015 update:

According to MDNevent.charCode, event.keyCode and event.which have all been deprecated. event.key is the newest and hottest way to check which key has been pressed.

It looks easy to use, but browser support isn’t perfect. All we have now is partial support in Chrome 45+ (not out yet AFAIK), Firefox 23+ and IE 9+.