Testing keyboard functionality on a web app

For assistance with a webapp, check with the webapp maintainer.

If you are the webapp maintainer, check with those that support the framework you are using.

While this Apple Support Community is primarily english, if english is not you first language, try posting in your native language.

Contributors here may be able to use translation software to read and understand your question - and if you are lucky, may be able to provide appropriate help or guidance.

Im sorry but i cannot understand your question

You are not addressing Apple Support here. This is a community of need uesrs. We cannot test on your behalf.