UC知道VBS function返回值问题
来源：百度知道 编辑：UC知道 时间：2024/05/26 15:04:19
<body>
<script language="VBScript">
function xingming()
if form1.t1.value="" then
window.alert("用户名为空")
end if
return false
End function
</script>
<form name="form1" method="post" action="">
<input type="text" name="t1">
<input type="Submit" name="Submit" value="提交" onclick="xingming()">
</form>
</body>
当文本框为空的时候，按按钮后怎样不发送，如何返回FLASE？望高手解答
<script language="VBScript">
function xingming()
if form1.t1.value="" then
window.alert("用户名为空")
end if
return false
End function
</script>
<form name="form1" method="post" action="">
<input type="text" name="t1">
<input type="Submit" name="Submit" value="提交" onclick="xingming()">
</form>
</body>
当文本框为空的时候，按按钮后怎样不发送，如何返回FLASE？望高手解答
<body>
<script language="VBScript">
function xingming()
if form1.t1.value="" then
msgbox("用户名不能为空")
xingming=false
else
xingming=true
end if
End function
</script>
<form name="form1" method="post" action="a.htm" onsubmit="jscript:return xingming()">
<input type="text" name="t1">
<input type="Submit" name="Submit" value="提交" >
</form>
</body>
<body>
<script language="VBScript">
function xingming()
if form1.t1.value="" then
window.alert("用户名为空")
return false
else
return true
end if
End function
</script>
<form name="form1" method="post" action="" onsubmit=xingming() >
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