WPT
wpt / webstorage / storage_key.window.html
Spec: https://html.spec.whatwg.org/multipage/webstorage.html ↗
Runs: Chrome 155.0.8040.0 (wpt@105b6a3a5, 2026-09-03) | Firefox 157.0a1 (wpt@e6996908b, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-f436a (wpt@476394464, 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 | 22/22 | 22/22 | 22/22 | 22/22 | 22/22 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| localStorage.key | PASS | PASS | PASS | PASS | PASS | — |
| localStorage.key(0) should return the right thing. | PASS | PASS | PASS | PASS | PASS | — |
| localStorage.key(4294967296) should return the right thing. | PASS | PASS | PASS | PASS | PASS | — |
| localStorage.key(1) should return the right thing. | PASS | PASS | PASS | PASS | PASS | — |
| localStorage.key(4294967297) should return the right thing. | PASS | PASS | PASS | PASS | PASS | — |
| localStorage.key(2) should return the right thing. | PASS | PASS | PASS | PASS | PASS | — |
| localStorage.key(4294967298) should return the right thing. | PASS | PASS | PASS | PASS | PASS | — |
| localStorage.key(3) should return the right thing. | PASS | PASS | PASS | PASS | PASS | — |
| localStorage.key(4294967299) should return the right thing. | PASS | PASS | PASS | PASS | PASS | — |
| localStorage.key() should return null for out-of-range arguments. | PASS | PASS | PASS | PASS | PASS | — |
| localStorage.key with value changes | PASS | PASS | PASS | PASS | PASS | — |
| sessionStorage.key | PASS | PASS | PASS | PASS | PASS | — |
| sessionStorage.key(0) should return the right thing. | PASS | PASS | PASS | PASS | PASS | — |
| sessionStorage.key(4294967296) should return the right thing. | PASS | PASS | PASS | PASS | PASS | — |
| sessionStorage.key(1) should return the right thing. | PASS | PASS | PASS | PASS | PASS | — |
| sessionStorage.key(4294967297) should return the right thing. | PASS | PASS | PASS | PASS | PASS | — |
| sessionStorage.key(2) should return the right thing. | PASS | PASS | PASS | PASS | PASS | — |
| sessionStorage.key(4294967298) should return the right thing. | PASS | PASS | PASS | PASS | PASS | — |
| sessionStorage.key(3) should return the right thing. | PASS | PASS | PASS | PASS | PASS | — |
| sessionStorage.key(4294967299) should return the right thing. | PASS | PASS | PASS | PASS | PASS | — |
| sessionStorage.key() should return null for out-of-range arguments. | PASS | PASS | PASS | PASS | PASS | — |
| sessionStorage.key with value changes | PASS | PASS | PASS | PASS | PASS | — |