tangdehang
/
android-cloud-H5


			
				
					
						
						
							123456789101112131415161718192021222324252627282930313233343536373839404142
							<!doctype html>
<head>
    <title>Using multiple file formats in JavaScript</title>

 
    <script type= "text/javascript">
        function checkAudioCompat() {
            var myAudio = document.createElement('audio');
            var msg = document.getElementById("display");
 
            msg.innerHTML = "";
 
            if (myAudio.canPlayType) {
                // CanPlayType returns maybe, probably, or an empty string.
                var playMsg = myAudio.canPlayType('audio/mpeg');
                if ( "" != playMsg) {
                    msg.innerHTML += "mp3 is " + playMsg + " supported<br/>";
                }
                playMsg = myAudio.canPlayType('audio/ogg; codecs="vorbis"'); 
                if ( "" != playMsg){
                    msg.innerHTML += "ogg is " + playMsg + " supported<br/>";                    
                }
 
                playMsg = myAudio.canPlayType('audio/mp4; codecs="mp4a.40.5"');
                if ( "" != playMsg){
                    msg.innerHTML += "aac is "+playMsg+" supported<br/>";
                }
            }
            else {
                msg.innerHTML += "no audio support";                
            }
        }
    </script>
</head>
<body>
    <button onclick="checkAudioCompat();">
        Test for audio format type
    </button>
    <div id="display"> </div>
    <audio src="./1.aac" controls></audio>
</body>
</html>