Add to documentation advice on "feature detection".
For MOS that means guarding against API calls returning "not implemented". For the VDP it means attempting to use API calls and working out from the effect of the call whether the API is supported or not.
Add to documentation advice on "feature detection".
For MOS that means guarding against API calls returning "not implemented". For the VDP it means attempting to use API calls and working out from the effect of the call whether the API is supported or not.