For example
google-chrome --app=https://web.whatsapp.com/
In linux, one can use
wmctrl -xa web.whatsapp.com || google-chrome --app=https://web.whatsapp.com/
to activate a pre-existing instance.
For example
google-chrome --app=https://web.whatsapp.com/
In linux, one can use
wmctrl -xa web.whatsapp.com || google-chrome --app=https://web.whatsapp.com/
to activate a pre-existing instance.