<script>
var
speaker =
new
window.SpeechSynthesisUtterance();
var
speakTimer,stopTimer,pauseTimer;
function
speakText() {
var
context = $(
'#num_result'
).val();
window.speechSynthesis.cancel();
if
($(
'#sudu'
).val()==
''
|| isNaN($(
'#sudu'
).val())===
true
){
alert(
'朗读速度,填写错误!'
)
return
false
}
speaker.rate = $(
"#sudu"
).val()
speaker.pitch = 1
speaker.text = context;
window.speechSynthesis.speak(speaker);
}
function
stopSpeak() {
window.speechSynthesis.cancel();
}
function
pausedText() {
window.speechSynthesis.pause();
}
function
resumeText() {
window.speechSynthesis.resume();
}