<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html>
  <head>
    <title>f_html.html</title>
    
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="this is my page">
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
    
    <!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
    <style type="text/css">
        .bg_blue
        {
            background-color: blue;
        }
    </style>
    <script type="text/javascript" src="../js/jquery/jquery190.js"></script>
    <script type="text/javascript">
        $(document).ready(function(){
            $(":input").addClass("bg_blue");
        });
    </script>
  </head>
  
  <body>
        <h3>修改全部表单元素的背景色</h3>
        <form id="frmTest" action="#">
        <input type="button" value="Input Button" /><br />
        <select>
            <option>Option</option>
        </select><br />
        <textarea rows="3" cols="8"></textarea><br />
        <button>Button</button><br />
        </form>
  </body>
  
</html>

 

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