WPT
wpt / speech-api / SpeechSynthesisErrorEvent-constructor.html
Spec: https://wicg.github.io/speech-api/ ↗
Runs: Chrome 155.0.8039.0 (wpt@6ec9fd59f, 2026-09-03) | Firefox 157.0a1 (wpt@6ec9fd59f, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-795e1 (wpt@7e3d005d7, 2026-09-03) | Servo Servo 0.6 (wpt@09159dcb3, 2026-09-02) | 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 | 8/8 | 7/8 | 8/8 | 0/8 | 0/8 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| SpeechSynthesisErrorEvent with no arguments throws TypeError | PASS | PASS | PASS | FAIL | FAIL | — |
| SpeechSynthesisErrorEvent with no eventInitDict throws TypeError | PASS | PASS | PASS | FAIL | FAIL | — |
| SpeechSynthesisErrorEvent with empty eventInitDict throws TypeError (requires utterance and error) | PASS | PASS | PASS | FAIL | FAIL | — |
| SpeechSynthesisErrorEvent with eventInitDict without utterance throws TypeError | PASS | PASS | PASS | FAIL | FAIL | — |
| SpeechSynthesisErrorEvent with eventInitDict without error throws TypeError | PASS | PASS | PASS | FAIL | FAIL | — |
| SpeechSynthesisErrorEvent with eventInitDict having utterance and error | PASS | FAIL | PASS | FAIL | FAIL | — |
| SpeechSynthesisErrorEvent with custom eventInitDict | PASS | PASS | PASS | FAIL | FAIL | — |
| SpeechSynthesisErrorEvent with wrong error enum | PASS | PASS | PASS | FAIL | FAIL | — |