网页中获取网络mp3文件的时常

<html>

<audio id="audio" controls>

  <source src="http://cdn.kaishuhezi.com/audio/story/M-1-01-20150408.mp3" type="audio/mpeg">

</audio>

<script>

        window.onload=function(){

      //do something

       var duration = document.getElementById("audio").duration;

        //alert(audio.duration);

        console.log(formatTime(parseInt(duration)));

        }

    function formatTime(second) {

          return [parseInt(second / 60 % 60), second % 60].join(":").replace(/\b(\d)\b/g, "0$1");

    }

</script>

    </html>

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网页中获取网络mp3文件的时常

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