我怎么HTML5音频,在点击播放声音? (OGG像Firefox浏览器和MP3像铬浏览器) [英] How do I get Html5 audio to play sound on click? (ogg for browsers like Firefox and mp3 for browsers like chrome)
问题描述
如何让HTML5音频,在点击播放声音? (OGG像Firefox浏览器和MP3像Chrome浏览器,)
到目前为止的onclick我可以换到一个单一的文件类型,但我不能让你像在一个普通的HTML5音频声明,即这样做是为了有一个备份选项。
<音频控制>
<信源SRC =horse.oggTYPE =音频/ OGG>
<信源SRC =horse.mp3TYPE =音频/ MPEG>
你的浏览器不支持音频元素。
< /音频>
code:
<!DOCTYPE HTML PUBLIC - // W3C // DTD XHTML 1.0过渡// ENhttp://www.w3.org/TR/xhtml1/DTD/ XHTML1-transitional.dtd>
< HTML的xmlns =http://www.w3.org/1999/xhtml>< HEAD>
<元CONTENT =text / html的;字符集= UTF-8HTTP的当量=Content-Type的/>
<标题>我如何调用JavaScript函数,并把它发挥.OGG如果无法播放.MP3<?/标题>
< /头>
<身体GT;
<音频ID =Mp3Me自动播放自动缓冲控制>
<信源SRC =Piano.mp3>
< /音频>&所述; A HREF =JavaScript的:GuitarTrack()>吉他与所述; / A><脚本类型=文/ JavaScript的>
功能GuitarTrack(){
变种Mp3Me =的document.getElementById('Mp3Me');
Mp3Me.src =Guitar.mp3;
Mp3Me.src =Guitar.ogg;
}
< / SCRIPT>< /身体GT;< / HTML>
由于您只创建一个<信源>
元素,你必须要么创建另一个<信源方式>
元素中的HTML或使用JavaScript创建一个
-
创建使用HTML第二个元素。 http://jsfiddle.net/PVqvC/
<音频ID =Mp3Me自动播放自动缓冲控制>
<信源SRC =Piano.mp3>
<信源SRC =Piano.ogg>
< /音频>
&所述; A HREF =JavaScript的:GuitarTrack();>吉他与所述; / A><脚本类型=文/ JavaScript的>
功能GuitarTrack(){
变种Mp3Me =的document.getElementById('Mp3Me');
Mp3Me.children [0]的.src =Guitar.mp3;
Mp3Me.children [1]的.src =Guitar.ogg;
Mp3Me.load();
}
< / SCRIPT> -
使用JS创建第二个元素。 http://jsfiddle.net/MBvsC/1/
<音频ID =Mp3Me自动播放自动缓冲控制>
<信源SRC =Piano.mp3>
< /音频>
&所述; A HREF =JavaScript的:GuitarTrack();>吉他与所述; / A><脚本类型=文/ JavaScript的>
功能GuitarTrack(){
VAR Mp3Me =的document.getElementById('Mp3Me')的getElementsByTagName('源')。 如果(Mp3Me.length→1){//有2族元素
Mp3Me [0]的.src =Guitar.mp3;
Mp3Me [1]的.src =Guitar.ogg;
}
如果(Mp3Me.length == 1){//只有一个元素,所以我们需要创建第二个
Mp3Me [0]的.src =Guitar.mp3; //改变现有元素 变种节点=的document.getElementById('Mp3Me');
VAR newelem =使用document.createElement('源');
newelem.setAttribute('的src','Guitar.ogg');
node.appendChild(newelem); //创建具有适当SRC新元素
}
Mp3Me.load();
}
< / SCRIPT>
正如你可以看到,第一种方法是,简洁,干净,所以如果你可以使用它 - 使用它。如果您有任何进一步的问题 - 随时问
How do I get Html5 audio to play sound on click? (ogg for browsers like Firefox and mp3 for browsers like chrome)
So far onclick I can change to a single filetype but I can't get it to have a backup option like you do on a normal html5 audio declaration i.e.
<audio controls>
<source src="horse.ogg" type="audio/ogg">
<source src="horse.mp3" type="audio/mpeg">
Your browser does not support the audio element.
</audio>
Code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta content="text/html; charset=utf-8" http-equiv="Content-Type" />
<title>How do i call the javascript function and get it to play .ogg if can't play .mp3?</title>
</head>
<body>
<audio id="Mp3Me" autoplay autobuffer controls>
<source src="Piano.mp3">
</audio>
<a href="javascript:GuitarTrack()">Guitar</a>
<script type="text/javascript">
function GuitarTrack(){
var Mp3Me= document.getElementById('Mp3Me');
Mp3Me.src = "Guitar.mp3";
Mp3Me.src = "Guitar.ogg";
}
</script>
</body>
</html>
Since you are creating only one <source>
element, you have to either create another <source>
element in HTML or create one using JavaScript.
Creating second element using HTML. http://jsfiddle.net/PVqvC/
<audio id="Mp3Me" autoplay autobuffer controls> <source src="Piano.mp3"> <source src="Piano.ogg"> </audio> <a href="javascript:GuitarTrack();">Guitar</a> <script type="text/javascript"> function GuitarTrack(){ var Mp3Me= document.getElementById('Mp3Me'); Mp3Me.children[0].src = "Guitar.mp3"; Mp3Me.children[1].src = "Guitar.ogg"; Mp3Me.load(); } </script>
Creating second element using JS. http://jsfiddle.net/MBvsC/1/
<audio id="Mp3Me" autoplay autobuffer controls> <source src="Piano.mp3"> </audio> <a href="javascript:GuitarTrack();">Guitar</a> <script type="text/javascript"> function GuitarTrack(){ var Mp3Me= document.getElementById('Mp3Me').getElementsByTagName('source'); if(Mp3Me.length > 1) { //there are 2 elements Mp3Me[0].src = "Guitar.mp3"; Mp3Me[1].src = "Guitar.ogg"; } if(Mp3Me.length == 1) { //only one element, so we need to create the second one Mp3Me[0].src = "Guitar.mp3"; //changes existing element var node = document.getElementById('Mp3Me'); var newelem = document.createElement('source'); newelem.setAttribute('src', 'Guitar.ogg'); node.appendChild(newelem); //creating new element with appropriate src } Mp3Me.load(); } </script>
As you can see, the first method is a lot shorter and cleaner, so if you can use it - use it. If you have any further questions - feel free to ask.
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