const textarea = document.querySelector("textarea"),
voiceList = document.querySelector("select"),
speechButton = document.querySelector("button");
let synth = speechSynthesis,
isSpeaking = true;
voices();
function voices(){
for(let voice of synth.getVoices()){
let selected = voice.name === "Google US English" ? "selected" : "";
let option = `<option value="${voice.name}" ${selected}>${voice.name} (${voice.lang})</option>`; //different languages
voiceList.insertAdjacentHTML("beforeend", option);
}
}
synth.addEventListener("voiceschanged", voices);
function textToSpeech(text){
let utterance = new SpeechSynthesisUtterance(text);
for(let voice of synth.getVoices()){
if(voice.name === voiceList.value){
utterance.voice = voice;
}
}
synth.speak(utterance);
}
speechButton.addEventListener("click", e =>{
e.preventDefault();
if(textarea.value !== ""){
if(!synth.speaking){
textToSpeech(textarea.value);
}
if(textarea.value.length > 80){
setInterval(()=>{
if(!synth.speaking && !isSpeaking){
isSpeaking = true;
speechButton.innerText = "Convert To Speech";
}else{
}
}, 500);
if(isSpeaking){
synth.resume();
isSpeaking = false;
speechButton.innerText = "Pause Speech";
}else{
synth.pause();
isSpeaking = true;
speechButton.innerText = "Resume Speech";
}
}else{
speechButton.innerText = "Convert To Speech";
}
}
});