On Tue, Sep 17, 2019, 04:15 Juri Linkov <juri@linkov.net> wrote:

> But after trying I see that pressing the wheel button requires more effort
> and is less reliable since might cause scrolling before pressing

This is a deficiency of your mouse. Good mice let you middle-click easily and reliably. Excellent mice have a middle button separate from the wheel.

> Regarding a keyboard shortcut, do you mean C-w?

In browsers, yes (sometimes also Ctrl+F4). In Emacs, that would probably translate to the usual ‘kill-buffer’ binding the user prefers.