<html>
<head>
<title></title>
<script Language="JavaScript"><!--
function detSel()
{
document.myFORM.mySEL.options[0] = null;
}
// --></script>
</head>
<body>
<form name="myFORM">
<select name="mySEL">
<option>MZ-80K
<option>MZ-80C
<option>MZ-80K2
</select>
<input type="button" value="del 1st item" onClick="detSel()">
</form>
</body>
</html>
<head>
<title></title>
<script Language="JavaScript"><!--
function detSel()
{
document.myFORM.mySEL.options[0] = null;
}
// --></script>
</head>
<body>
<form name="myFORM">
<select name="mySEL">
<option>MZ-80K
<option>MZ-80C
<option>MZ-80K2
</select>
<input type="button" value="del 1st item" onClick="detSel()">
</form>
</body>
</html>
解决方案 »
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