How to prevent scrolling if a block with a drop-down menu has the class .btn-group .btn-group-stroke?

Question

css

Hello.

Here is an example of how to make the

drop-down list work the same way when clicking on the first button (with the class .btn-group .btn-group-stroke) as when clicking on the following buttons (that is, the scroll did not appear)

Answer 1

hasClass()to help