Experimental
This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The voiceschanged
event of the Web Speech API is fired when the list of SpeechSynthesisVoice
objects that would be returned by the SpeechSynthesis.getVoices()
method has changed (when the voiceschanged
event fires.)
Bubbles | No |
---|---|
Cancelable | No |
Interface | Event |
Event handler property | onvoiceschanged |
Examples
This could be used to repopulate a list of voices that the user can choose between when the event fires. You can use the voiceschanged
event in an addEventListener
method:
var synth = window.speechSynthesis;
synth.addEventListener('voiceschanged', function() {
var voices = synth.getVoices();
for(i = 0; i < voices.length ; i++) {
var option = document.createElement('option');
option.textContent = voices[i].name + ' (' + voices[i].lang + ')';
option.setAttribute('data-lang', voices[i].lang);
option.setAttribute('data-name', voices[i].name);
voiceSelect.appendChild(option);
}
});
Or use the onvoiceschanged
event handler property:
synth.onvoiceschanged = function() {
var voices = synth.getVoices();
for(i = 0; i < voices.length ; i++) {
var option = document.createElement('option');
option.textContent = voices[i].name + ' (' + voices[i].lang + ')';
option.setAttribute('data-lang', voices[i].lang);
option.setAttribute('data-name', voices[i].name);
voiceSelect.appendChild(option);
}
}
Specifications
Specification | Status | Comment |
---|---|---|
Web Speech API The definition of 'speech synthesis events' in that specification. |
Draft |
Browser compatibility
BCD tables only load in the browser