JavaScript 验证码的实例代码(附效果图)

效果如下：

复制代码 代码如下:

   
   
    .code
    {
            background:url(code_bg.jpg);
            font-family:Arial;
            font-style:italic;
             color:blue;
             font-size:30px;
             border:0;
             padding:2px 3px;
             letter-spacing:3px;
             font-weight:bolder;            
             float:left;           
             cursor:pointer;
             width:150px;
             height:60px;
             line-height:60px;
             text-align:center;
             vertical-align:middle;

    }
    a
    {
        text-decoration:none;
        font-size:12px;
        color:#288bc4;
        }
    a:hover
    {
       text-decoration:underline;
        }