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soonami
پنج شنبه 08 دی 1390, 22:21 عصر
<html
<head>
<script language="javascript" type="text/javascript" >
function jumpto(x){
if (document.form1.jumpmenu.value != "null") {
if (document.form1.jumpmenu.value != "http://www.quackit.com") {
alert('Sorry to see you leaving Quackit. Hope to see you back soon!');
}
document.location.href = x
}
}
</script>
</head>

<<<< تابع رو توضیح دهید
>>> <select name="jumpmenu"
onChange="jumpto(document.form1.jumpmenu.options[document.form1.jumpmenu.options.selectedIndex].value)">
متوجه نشدم
ممنون میشم راه نمایی بفر مایید
<body>
<form name="form1">
<select name="jumpmenu"
onChange="jumpto(document.form1.jumpmenu.options[document.form1.jumpmenu.options.selectedIndex].value)">
<option>Jump to...</option>
<option value="http://www.quackit.com">Quackit Homepage</option>
<option value="http://www.zappyhost.com">ZappyHost</option>
<option value="http://www.code-generator.net">Code Generator</option>
<option value="http://www.natural-environment.com">Natural Environment</option>
<option value="http://www.great-workout.com">Great Workout</option>
</select>
</form>
</body>
</html>