conformance · v152
v152 · window-drag — conformance probe
5 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.
0
pass
0
fail
0
blocked
5
total
| id | contract | kind | verdict | detail |
|---|---|---|---|---|
window-controls-overlay-exists |
windowControlsOverlay (Window Controls Overlay API) is available for titlebar customization. spec ↗ | script | … | |
window-controls-overlay-visible |
windowControlsOverlay.visible returns a boolean indicating whether the overlay is shown. spec ↗ | script | … | |
window-controls-overlay-geometry |
windowControlsOverlay.getTitlebarAreaRect() returns a DOMRect for the draggable titlebar region. spec ↗ | script | … | |
window-controls-overlay-event |
The geometrychange event fires on navigator.windowControlsOverlay when visibility or geometry changes. spec ↗ | script | … | |
display-mode-standalone-for-drag |
When installed as PWA, display-mode: window-controls-overlay is matchable in CSS media queries. spec ↗ | css-supports | … |