html5 audio 速度问题
Audio playbackRate ExampleCanvas not supported
Play
Increase speed
Decrease speed
// Create a couple of global variables to use.
var audioElm = document.getElementById("audio1"); // Audio element
var ratedisplay = document.getElementById("rate"); // Rate display area
// Hook the ratechange event and display the current playbackRate after each change
audioElm.addEventListener("ratechange", function () {
ratedisplay.innerHTML = "Rate: " + audioElm.playbackRate;
}, false);
// Alternates between play and pause based on the value of the paused property
function togglePlay() {
if (document.getElementById("audio1")) {
if (audioElm.paused == true) {
playAudio(audioElm); // if player is pau
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