The visible property of the window.locationbar, window.menubar, window.personalbar, window.scrollbars, window.statusbar, and window.toolbar APIs historically represented the visibility of a browser user interface. For privacy reasons, it now represents whether the window is a pop-up.

Learning resources on MDN

• BarProp

Browser support

• Chrome 98 Released on 2022-02-01
• Chrome Android 98 Released on 2022-02-01
• Edge 98 Released on 2022-02-03
• Firefox 96 Released on 2022-01-11
• Firefox for Android 96 Released on 2022-01-11
• Safari ❌
• Safari on iOS ❌

Baseline availability blocked since February 2022 by Safari (34 months)

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