ASCII键值查询 

<!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>ASCII键值查询</title>

<script language="javascript"> 
ie4 = (document.all) ? true : false; 
ns4 = (document.layers) ? true : false; 
function keyDown(e){
if (ns4){
    var nKey=e.which;
    document.keyform.keytext.value="nKey:"+　nKey;
    //document.keyform.keytext.value="nKey:";
    }
if (ie4){
    var ieKey=event.keyCode;
    document.keyform.keytext.value="您查询的键值为："+ieKey;
    //document.keyform.keytext.value="ieKey:";
    }
}
document.onkeydown=keyDown;
if (ns4)  {document.captureEvents(Event.KEYDOWN);
}
</script>
 
</head>

<body>

<table border="0" width="100%">
    <tr>
        <td>
        <p align="center">ASCII键值查询
        </td>
    </tr>
    <tr>
        <td>
        <p align="center">请按下您键盘上的任意键，所对应的ASCII码会显示在下面的文本框内</tr>
    <tr><form name="keyform" >
        <td>
        <p align="center"><input type="text" name="keytext" size="30"></form></td>
    </tr>
</table>
</body>
</html>
posted @ 2012-08-03 12:14  xust  阅读(193)  评论(0)    收藏  举报