jQuery: Test if all select values are empty
How can I test if all select values are empty?
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Demo</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js"></script>
<script type="text/javascript">
$(window).unload(function () {
$(':input').val('');
});
$(document).ready(function() {
$('input[type=text]').val('');
$('#f').change(function() {
if ($('#f select[value!=""]').is('select') ) {
alert( 'The value of all selects are empty' );
}
else alert( 'At least one select has a value that is not empty' );
});
});
</script>
</head>
<body>
<form id="f" action="/" method="get">
<select name="s1">
<option value="">---</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<select name="s2">
<option value="">---</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<select name="s3">
<option value="">---</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
</form>
</body>
</html>ASKER CERTIFIED SOLUTION
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