html5控制audio播放速度,html5 audio 速度有关问题

html5 audio 速度问题

Audio playbackRate Example

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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