WPT
wpt / page-visibility / test_read_only.html
Spec: https://w3c.github.io/page-visibility/ ↗
Runs: Chrome 155.0.8039.0 (wpt@752608e1a, 2026-09-03) | Firefox 157.0a1 (wpt@752608e1a, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a9df8 (wpt@9b4cabf6d, 2026-09-03) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 4/4 | 4/4 | 4/4 | 4/4 | 4/4 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| document.hidden is defined and not null. | PASS | PASS | PASS | PASS | PASS | — |
| document.visibilityState is defined and not null. | PASS | PASS | PASS | PASS | PASS | — |
| document.hidden is read only. | PASS | PASS | PASS | PASS | PASS | — |
| document.visibilityState is read only. | PASS | PASS | PASS | PASS | PASS | — |