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WindowControlsOverlay: visible property - Web APIs | MDN
WindowControlsOverlay: visible property Limited availability
The visible
read-only property of the WindowControlsOverlay
interface returns a Boolean that indicates whether the window controls overlay is visible or not.
The window controls overlay is not be visible if:
The Web App Manifest's display_override
member is not set to window-controls-overlay
.
Or, if the user has opted-out of the feature.
if (navigator.windowControlsOverlay.visible) {
// Execute code if the controls overlay is visible.
} else {
// Do something else when it isn't visible.
}