WPT
wpt / custom-elements / throw-on-dynamic-markup-insertion-counter-construct.html
Spec: https://html.spec.whatwg.org/multipage/custom-elements.html ↗
Runs: Chrome 155.0.8039.0 (wpt@a4fcd77aa, 2026-09-03) | Firefox 157.0a1 (wpt@cc4d45aa0, 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 188486089 (wpt@a95401e4e, 2026-09-02)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 11/11 | 11/11 | 11/11 | 0/11 | 11/11 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| document.open() must throw an InvalidStateError when synchronously constructing a custom element | PASS | PASS | PASS | — | PASS | — |
| document.open("text/html") must throw an InvalidStateError when synchronously constructing a custom element | PASS | PASS | PASS | — | PASS | — |
| document.open(URL) must NOT throw an InvalidStateError when synchronously constructing a custom element | PASS | PASS | PASS | — | PASS | — |
| document.close() must throw an InvalidStateError when synchronously constructing a custom element | PASS | PASS | PASS | — | PASS | — |
| document.write must throw an InvalidStateError when synchronously constructing a custom element | PASS | PASS | PASS | — | PASS | — |
| document.writeln must throw an InvalidStateError when synchronously constructing a custom element | PASS | PASS | PASS | — | PASS | — |
| document.open() of another document must not throw an InvalidStateError when synchronously constructing a custom element | PASS | PASS | PASS | — | PASS | — |
| document.open("text/html") of another document must not throw an InvalidStateError when synchronously constructing a custom element | PASS | PASS | PASS | — | PASS | — |
| document.close() of another document must not throw an InvalidStateError when synchronously constructing a custom element | PASS | PASS | PASS | — | PASS | — |
| document.write of another document must not throw an InvalidStateError when synchronously constructing a custom element | PASS | PASS | PASS | — | PASS | — |
| document.writeln of another document must not throw an InvalidStateError when synchronously constructing a custom element | PASS | PASS | PASS | — | PASS | — |