set mylb= myform.fend for i=0 to mylb.options.length-1 ii=mylb.selectedIndex next if myform.fend.selectedIndex<>-1 then myfend= myform.fend.options(ii).value else myfend=1 '末级 end if
try<HTML> <HEAD> <SCRIPT> function closeIt() { if (checkValue()) event.returnValue = "data has been changed, please save it first"; }function checkValue() { var es = document.form1.elements; for (var i=0; i < es.length; i++) { if (es[i].type == "text" && es[i].value != es[i].defaultValue) return true; } return false; } </SCRIPT> </HEAD> <BODY onbeforeunload="closeIt()"> <form name="form1"> <input name=txt> </form> <a href="http://www.microsoft.com">Click here to navigate to www.microsoft.com</a> </BODY> </HTML>
<input type="text" value="Default" id="a"><input type="button" value="Click me" onClick="alert(a.value==a.defaultValue?'没改':'改了')">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<SCRIPT LANGUAGE="JavaScript">
<!--
function setFlag()
{
document.all.flag.value = "1";
}
function save()
{
if(document.all.flag.value!="")
{
if(confirm("文本被修改,是否保存?"))
{
//do something
}
}
}
//-->
</SCRIPT>
</HEAD><BODY onunload="save();">
<FORM METHOD=POST ACTION="">
<INPUT TYPE="text" NAME="hello" onchange="setFlag();">
<INPUT TYPE="hidden" name="flag">
</FORM>
</BODY>
</HTML>
for i=0 to mylb.options.length-1
ii=mylb.selectedIndex
next
if myform.fend.selectedIndex<>-1 then
myfend= myform.fend.options(ii).value
else
myfend=1 '末级
end if
<HEAD>
<SCRIPT>
function closeIt()
{
if (checkValue())
event.returnValue = "data has been changed, please save it first";
}function checkValue()
{
var es = document.form1.elements;
for (var i=0; i < es.length; i++)
{
if (es[i].type == "text" && es[i].value != es[i].defaultValue)
return true;
} return false;
}
</SCRIPT>
</HEAD>
<BODY onbeforeunload="closeIt()">
<form name="form1">
<input name=txt>
</form>
<a href="http://www.microsoft.com">Click here to navigate to
www.microsoft.com</a>
</BODY>
</HTML>