<p>点击按钮创建 OBJECT 和 PARAM 元素并嵌入音频文件。</p> <button onclick="myFunction()">点我</button> <script> function myFunction() { var x = document.createElement("OBJECT"); x.setAttribute("data", "horse.wav"); x.setAttribute("id", "myObject"); document.body.appendChild(x); var y = document.createElement("PARAM"); y.setAttribute("name", "autoplay"); y.setAttribute("value", "true"); document.getElementById("myObject").appendChild(y); } </script>