不行啊源代码: <script language="vbscript"> sub checkk() if myform.kind.value="考试" then myform.subk.disabled=false else myform.subk.disabled=true end if end sub </script><select name=subk size=1 id=subk>
if myform.kind.value="考试" then 改成 if myform.kind.value=="考试" then
<script language="vbscript"> sub kind_onBlur() if myform.kind.value="考试" then myform.subk.disabled=false else myform.subk.disabled=true end if end sub </script> <form name=myform> <select name=subk size=1 id=subk> <option value="1">1</option> </select><input type=text name=kind> </form>
或者不要用vbscript,javascript好使 <SCRIPT LANGUAGE="JavaScript"> function checkk() { if (myform.kind.value=="考试") { myform.subk.disabled=false; } else { myform.subk.disabled=true; } } </SCRIPT> <select name=subk size=1>
<script language="vbscript">
sub checkk()
if myform.kind.value="考试" then
myform.subk.disabled=false
else myform.subk.disabled=true
end if
end sub
</script><select name=subk size=1 id=subk>
改成
if myform.kind.value=="考试" then
sub kind_onBlur()
if myform.kind.value="考试" then
myform.subk.disabled=false
else myform.subk.disabled=true
end if
end sub
</script>
<form name=myform>
<select name=subk size=1 id=subk>
<option value="1">1</option>
</select><input type=text name=kind>
</form>
<SCRIPT LANGUAGE="JavaScript">
function checkk() {
if (myform.kind.value=="考试") {
myform.subk.disabled=false;
}
else {
myform.subk.disabled=true;
}
}
</SCRIPT>
<select name=subk size=1>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title></title>
<script language="javascript">function btn_onclick(){
alert("hi");
sel.disabled=false;
}
</script>
</head>
<body>
<select id="sel" name="sel" disabled ">
<OPTION VALUE=1>A</OPTION>
<OPTION VALUE=2>B</OPTION>
</select>
<input type="button" name="btn" id="btn" value="enable select" onclick="btn_onclick();"></body>
</html>