<html>
<head>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script>
<script>
$(document).ready(function(){
var counter = 0;
$("#play-bt").click(function(){
$(".audio-player")[counter].play();
$("#message").text("Music started");
})
$("#pause-bt").click(function(){
$(".audio-player")[counter].pause();
$("#message").text("Music paused");
})
$("#stop-bt").click(function(){
$(".audio-player")[counter].pause();
$(".audio-player")[counter].currentTime = 0;
$("#message").text("Music Stopped");
})
$("#next-bt").click(function(){
$(".audio-player")[counter].pause();
$(".audio-player")[counter].currentTime = 0;
counter++;
$(".audio-player")[counter].play();
$("#message").text("Music started");
})
$("#prev-bt").click(function(){
$(".audio-player")[counter].pause();
$(".audio-player")[counter].currentTime = 0;
counter--;
$(".audio-player")[counter].play();
$("#message").text("Music started");
})
$(".audio-player").bind('timeupdate', function(){
var track_length = $(".audio-player")[counter].duration;
var secs = $(".audio-player")[counter].currentTime;
var progress = (secs/track_length) * 100;
$('#progress').css({'width' : progress * 2});
var tcMins = parseInt(secs/60);
var tcSecs = parseInt(secs - (tcMins * 60));
if (tcSecs < 10) { tcSecs = '0' + tcSecs; }
// Display the time
$('#timecode').html(tcMins + ':' + tcSecs);
})
})
</script>
<style>
</style>
</head>
<body>
<div class = "div.jp-audio"><audio class ="audio-player" name= "audio-player" src="01-Breakin-A-Sweat-Zedd-Remix.mp3" ></audio></div>
<div class = "div.jp-audio"><audio class ="audio-player" name= "audio-player" src="01-hard_rock_sofa-quasar.mp3" ></audio></div>
<div id="message"></div>
<div id = "playerContainer">
<ul id = "playerControls">
<li><a id="play-bt" href="#">Play music</a></li> <li> <a id="pause-bt" href="#">Pause music</a></li>
<li><a id="stop-bt" href="#">Stop music</a></li> <li><a id = "next-bt" href ="#">Next Track</a></li>
<li><a id = "prev-bt" href ="#">Previous Track</a></li>
</ul>
<span id="timecode"></span>
<span id="progressContainer">
<span id="timecode"></span>
<span id="progress"></span>
</span>
</div>
</body>
</html>
一切正常。代码确实做了它需要的事情，但显然进度条不起作用并显示为什么会这样？我检查了我的控制台，但没有显示任何错误。如何显示当前正在播放的歌曲的进度条？
最佳答案
不要在进度条和容器中使用内联元素。尝试使用 div 而不是 span，并给它一些额外的样式以便您可以看到它(例如，背景颜色和尺寸)。您对进度条的宽度计算应该是百分比而不是 px。
另外，我建议只使用单个音频元素并使用 jQuery 更新源，而不是让多个音频元素绑定(bind)多个处理程序。
HTML5 setting audio source in javascript not working
这仅适用于 Chrome，如果您希望它在 Firefox 中运行，您需要添加 ogg 文件。
<html>
<head>
<script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.7.2.min.js "></script>
<script>
$(document).ready(function(){
var counter = 0;
$("#play-bt").click(function(){
$(".audio-player")[counter].play();
$("#message").text("Music started");
})
$("#pause-bt").click(function(){
$(".audio-player")[counter].pause();
$("#message").text("Music paused");
})
$("#stop-bt").click(function(){
$(".audio-player")[counter].pause();
$(".audio-player")[counter].currentTime = 0;
$("#message").text("Music Stopped");
})
$("#next-bt").click(function(){
$(".audio-player")[counter].pause();
$(".audio-player")[counter].currentTime = 0;
counter++;
$(".audio-player")[counter].play();
$("#message").text("Music started");
})
$("#prev-bt").click(function(){
$(".audio-player")[counter].pause();
$(".audio-player")[counter].currentTime = 0;
counter--;
$(".audio-player")[counter].play();
$("#message").text("Music started");
})
$(".audio-player").bind('timeupdate', function(){
var track_length = $(".audio-player")[counter].duration;
var secs = $(".audio-player")[counter].currentTime;
var progress = (secs/track_length) * 100;
$('#progress').css({'width' : progress + "%"});
var tcMins = parseInt(secs/60);
var tcSecs = parseInt(secs - (tcMins * 60));
if (tcSecs < 10) { tcSecs = '0' + tcSecs; }
// Display the time
$('#timecode').html(tcMins + ':' + tcSecs);
})
})
</script>
</head>
<body>
<div class = "jp-audio"><audio class ="audio-player" name= "audio-player" src="01-Breakin-A-Sweat-Zedd-Remix.mp3" ></audio></div>
<div class = "jp-audio"><audio class ="audio-player" name= "audio-player" src="01-hard_rock_sofa-quasar.mp3" ></audio></div>
<div id="message"></div>
<div id = "playerContainer">
<ul id = "playerControls">
<li><a id="play-bt" href="#">Play music</a></li> <li> <a id="pause-bt" href="#">Pause music</a></li>
<li><a id="stop-bt" href="#">Stop music</a></li> <li><a id = "next-bt" href ="#">Next Track</a></li>
<li><a id = "prev-bt" href ="#">Previous Track</a></li>
</ul>
<div id="progressContainer" style="width: 250px;">
<div id="timecode"></div>
<div id="progress" style="height: 10px; background-color: red; width: 0%;"></div>
</div>
</div>
</body>
</html>
关于javascript - JQuery 和 HTML5 音频进度条不起作用，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/11680149/