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<!DOCTYPE html> <html> <body> <p>单击该按钮可创建一个带有控件的 AUDIO 元素，这些控件将以 .mp3 或 .ogg 文件格式（取决于浏览器支持）播放声音。</p> <button onclick="myFunction()">试一试</button> <script> function myFunction() { var x = document.createElement("AUDIO"); if (x.canPlayType("audio/mpeg")) { x.setAttribute("src","horse.mp3"); } else { x.setAttribute("src","horse.ogg"); } x.setAttribute("controls", "controls"); document.body.appendChild(x); } </script> </body> </html>