W3School TIY
编辑您的代码：
<html> <body> <form> <input type="reset" alt="Reset button" id="reset1" /> </form> <p>The alt text for the reset button is: <script type="text/javascript"> x=document.getElementById('reset1'); document.write(x.alt); </script></p> </body> </html>
查看结果: