Switch language on the fly

[ergodron]

Clear and concise description of the problem

Could you suggest how to implement language switching on the fly?

Suggested solution

Couldn't find it in the documentation

Alternative

No response

Additional context

No response

Validations

• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.

[surmon-china]

In CodeMirror@6, the language is just an extension and you only need to control the data of the extensions dynamically, just like the example site does.