How to hide the menubar/toolbar/locationbar/statusbar of current window ?

[Ajinkya]

hello guy,
good day.
Can u pls help to solve this issue.
I wants to hide menubar, toolbar, locationbar and statusbar of current window.
I wants this functionality works in all major browsers.
Thanks in advance.
Bye.

[Dormilich]

I’m not aware that you can do this for the current window, only for windows opend by window.open().

PS. I would immediately leave, if a website changes my browser window the way I don’t like.