Email地址加密javascript版

function getEmail(email)
{
    var r = "";
    for (i=0;i<email.length;i++)
    {
        r += "&#" + email.charCodeAt(i);
    }
    return r;
}
效果如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>Email地址加密</title> <style type="text/css"> </style> </head> <body> <p><strong>Email地址加密</strong></p> <p> Email: <input name="email" type="text" id="email" size="50" /> <input type="button" name="Submit" value=" 加 密 " onclick="document.getElementById('export').value=getEmail(document.getElementById('email').value)"/> &nbsp;&nbsp;&nbsp;&nbsp; <input type="button" name="Submit2" value=" 验 证 " onclick="document.getElementById('preview').innerHTML=getEmail(document.getElementById('email').value)"/>&nbsp;&nbsp;</span > </p> <p> 结 果: <input name="export" type="text" id="export" size="76" onclick="setClipboard(this.id)" onmouseover="javascript:this.select();" title="单击此处复制内容"/> </p> <p> </p> </body> </html>
[Ctrl+A 全选 注:引入外部Js需再刷新一下页面才能执行]