The error
property of the SpeechSynthesisErrorEvent
interface returns an error code indicating what has gone wrong with a speech synthesis attempt.
The error
property of the SpeechSynthesisErrorEvent
interface returns an error code indicating what has gone wrong with a speech synthesis attempt.
A string containing the error reason. Possible values are:
canceled
A SpeechSynthesis.cancel
method call caused the SpeechSynthesisUtterance
to be removed from the queue before it had begun being spoken.
interrupted
A SpeechSynthesis.cancel
method call caused the SpeechSynthesisUtterance
to be interrupted after it had begun being spoken and before it completed.
audio-busy
The operation couldn't be completed at this time because the user-agent couldn't access the audio output device (for example, the user may need to correct this by closing another application.)
audio-hardware
The operation couldn't be completed at this time because the user-agent couldn't identify an audio output device (for example, the user may need to connect a speaker or configure system settings.)
network
The operation couldn't be completed at this time because some required network communication failed.
The operation couldn't be completed at this time because no synthesis engine was available (For example, the user may need to install or configure a synthesis engine.)
synthesis-failed
The operation failed because the synthesis engine raised an error.
No appropriate voice was available for the language set in SpeechSynthesisUtterance.lang
. You can use the window.speechSynthesis.getVoices()
method to determine which voices and languages are supported in the user's browser.
The voice set in SpeechSynthesisUtterance.voice
was not available.
text-too-long
The contents of the SpeechSynthesisUtterance.text
attribute was too long to synthesize.
invalid-argument
The content of the SpeechSynthesisUtterance.rate
, SpeechSynthesisUtterance.pitch
or SpeechSynthesisUtterance.volume
property was not valid.
not-allowed
The operation's start was not allowed.
js
const synth = window.speechSynthesis; const inputForm = document.querySelector("form"); const inputTxt = document.querySelector("input"); const voiceSelect = document.querySelector("select"); const voices = synth.getVoices(); // ... inputForm.onsubmit = (event) => { event.preventDefault(); const utterThis = new SpeechSynthesisUtterance(inputTxt.value); const selectedOption = voiceSelect.selectedOptions[0].getAttribute("data-name"); for (let i = 0; i < voices.length; i++) { if (voices[i].name === selectedOption) { utterThis.voice = voices[i]; } } synth.speak(utterThis); utterThis.onerror = (event) => { console.error( `An error has occurred with the speech synthesis: ${event.error}`, ); }; inputTxt.blur(); };
Specification |
---|
Web Speech API # dom-speechsynthesiserrorevent-error |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
error |
33 | ≤18 | 49 | No | 21 | 7 | No | 33 | 62 | No | 7 | 3.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/SpeechSynthesisErrorEvent/error