编辑下面的代码:【加编码】
<html> <head> <script> function displayResult() { var x=document.getElementById("fname").name; alert(x); } </script> </head> <body> <form> Select a file to upload: <input type="file" name="filename" id="fname" size="50"> </form> <button type="button" onclick="displayResult()">Display name</button> </body> </html>
结果: 【此窗口】 帮助?
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