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Tryit: JAVASCRIPT
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<!DOCTYPE html> <html> <body> <p>点击按钮获取按钮元素的onclick属性的值。</p> <button onclick="myFunction()">试一试</button> <p><strong>注意：</strong>Internet Explorer 8 及更早版本不支持 getNamedItem 方法。</p> <p id="demo"></p> <script> function myFunction() { var a = document.getElementsByTagName("BUTTON")[0]; var x = a.attributes.getNamedItem("onclick").value; document.getElementById("demo").innerHTML = x; } </script> </body> </html>