小旋风SEO教程 TIY
编辑您的代码：
<html><head><script type="text/javascript" src="/w3c/jquery/jquery.js"></script><script type="text/javascript"> $(document).ready(function(){ $(":file").css("background-color","#B2E0FF"); }); </script><link rel="canonical" href="https://www.xxfseo.com/w3c/tiy/t.asp-f=jquery_selector_input_file.html" /></head><body><html><body><form action=""> Name: <input type="text" name="user" /><br /> Password: <input type="password" name="password" /><br /> File: <input type="file"></form></body></html></body></html>
查看结果: