<html>
<head>
<title>新建网页 1</title>
<Script language="JavaScript">
<!--
function check(sValue)
{
if (sValue==""||sValue==null)
document.write("<font color=red>无数据</font>");
}
-->
</Script>
</head>
<body>
<table>
<tr>
<td>Check's Result is<Script language="JavaScript">check("")</Script> </td>
</tr>
</table>
</body>
</html>
<head>
<title>新建网页 1</title>
<Script language="JavaScript">
<!--
function check(sValue)
{
if (sValue==""||sValue==null)
document.write("<font color=red>无数据</font>");
}
-->
</Script>
</head>
<body>
<table>
<tr>
<td>Check's Result is<Script language="JavaScript">check("")</Script> </td>
</tr>
</table>
</body>
</html>
<head>
<title>新建网页 1</title>
<Script language="JavaScript">
<!--
function check(sValue)
{
if (sValue==""||sValue==null)
document.write("<font color=red>无数据</font>");
}
-->
</Script>
</head>
<body>
<table>
<tr>
<td>Check's Result is<Script language="JavaScript">check("")</Script> </td>
</tr>
</table>
</body>
</html>
<head>
<title>新建网页 1</title>
<Script language="JavaScript">
<!--
function check(sValue)
{
if (sValue==""||sValue==null)
return "<font color=red>无数据</font>";
}
-->
</Script>
</head>
<body>
<table>
<tr>
<td>Check's Result is<Script language="JavaScript">document.write(check(""));</Script> </td>
</tr>
</table>
</body>
</html>
if (sValue=="" || sValue==null || arguments.length==0)
<head>
<title>н¨ÍøÒ³ 1</title>
<Script language="JavaScript">
<!--
function check(sValue)
{
if (sValue==""||sValue==null)
return "ÎÞÊý¾Ý";
}
-->
</Script>
</head>
<body>
<table>
<tr>
<td>Check's Result is<div id=pp style='color:red'><script language="JavaScript">pp.innerHTML = ( check(""))</script> <div></td>
</tr>
</table>
</body>
</html>
<head>
<title>新建网页 1</title>
<Script language="JavaScript">
<!--
function check(sValue)
{
if (sValue==""||sValue==null)
return "无数据";
}
-->
</Script>
</head>
<body>
<table>
<tr>
<td>Check's Result is<div id=pp style='color:red'><script language="JavaScript">pp.innerHTML = ( check(""))</script> <div></td>
</tr>
</table>
</body>
</html>