This page allows you to press keys and instantly discover the corresponding keyCodes and charCodes.
Currently only 101-key US keyboards are assumed. If you'd like to see other keyboard styles, let me know via the comments below or by contacting me.
Sometimes pressing many keys at once or changing focus while a key is pressed can mess up the displayed key state. If you see a "stuck" key, just focus this window and press the key again, and things should be fixed.
Press any key to continue . . .