SpeechSynthesisUtterance.SpeechSynthesisUtterance()
This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
The SpeechSynthesisUtterance()
constructor of the SpeechSynthesisUtterance
interface returns a new SpeechSynthesisUtterance
object instance.
Syntax
JavaScript
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var utterThis = new SpeechSynthesisUtterance(text);
Parameters
- text
- A
DOMString
containing the text that will be synthesised when the utterance is spoken..
Examples
The following snippet is excerpted from our Speech synthesiser demo.
JavaScript
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<code class="language-js">var synth = window.speechSynthesis; var inputForm = document.querySelector('form'); var inputTxt = document.querySelector('input'); var voiceSelect = document.querySelector('select'); var voices = synth.getVoices();</code> ... inputForm.onsubmit = function(event) { event.preventDefault(); var utterThis = new SpeechSynthesisUtterance(inputTxt.value); var selectedOption = voiceSelect.selectedOptions[0].getAttribute('data-name'); for(i = 0; i < voices.length ; i++) { if(voices[i].name === selectedOption) { utterThis.voice = voices[i]; } } synth.speak(utterThis); inputTxt.blur(); }
Specifications
Specification | Status | Comment |
---|---|---|
Web Speech API The definition of 'SpeechSynthesisUtterance()' in that specification. |
Draft |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|
Basic support | 33 | 49 (49) | No support | ? | 7 |
Feature | Android | Chrome | Firefox Mobile (Gecko) | Firefox OS | IE Phone | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | No support | 2.0 | No support | No support | 7.1 |
See also
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/speechsynthesisutterance/speechsynthesisutterance