Instead, you should use de, if it's implemented. You should avoid using this if possible it's been deprecated for some time. If the key can't be identified, this value is 0.
This is usually the decimal ASCII ( RFC 20) or Windows 1252 code corresponding to the key. The deprecated KeyboardEvent.ke圜ode read-only property represents a system and implementation dependent numerical code identifying the unmodified value of the pressed key. Be aware that this feature may cease to work at any time. Avoid using it, and update existing code if possible see the compatibility table at the bottom of this page to guide your decision.
Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Deprecated: This feature is no longer recommended.
