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Retrieve the duration of an HTML5 audio element.
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| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | |
| <html> | |
| <head> | |
| <title>HTML5 Audio Duration</title> | |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | |
| <script type="text/javascript"> | |
| var audio, duration; | |
| window.onload = function() { | |
| var element = document.createElement("audio"); | |
| element.setAttribute("id", "audio"); | |
| element.setAttribute("src", "http://watoo.net:8000/INTRODUCTION.mp3"); | |
| document.getElementsByTagName("body")[0].appendChild(element); | |
| getDuration(); | |
| }; | |
| function getDuration() { | |
| audio = document.getElementById("audio"); | |
| audio.addEventListener("loadedmetadata", function(_event) { | |
| duration = audio.duration; | |
| document.getElementsByTagName("body")[0].removeChild(audio); | |
| }); | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| </body> | |
| </html> |
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