guys, I found out everything. As always, I'm stupid. Hope, this topic will help someone to avoid this type of mistake.
So, I got controller, which respond to js.ERB file. This js.erb file is called when controller method called, that means it doesn't suit to handle some events inside of it. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msg/rubyonrails-talk/-/eJU8mydl460J. For more options, visit https://groups.google.com/groups/opt_out.

