How to use the groups.removeUser method from an application's iframe?

Question

JavaScript

Is it possible to somehow use the groups.removeUser method from the application's iframe?
https://vk.com/dev/groups.removeUser

Answer 1

This method can be called with a user token received in Standalone-app via Implicit Flow. Access rights required: groups.

If there is a token, then you can.
User token to leave the group.
In general, it is impossible if in general;)

Answer 2

It is possible if you first upload the application standalone token to the server. And on the script to submit a request for deletion