Attributes/API/jQuery - Sample Code
val()
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<script src="/jquery/js/jquery.js"></script>
<script>
$(document).ready(function(){
function displayVals() {
var singleValues = $("#single").val();
var multipleValues = $("#multiple").val() || [];
$("p").html("<b>Single:</b> " +
singleValues +
" <b>Multiple:</b> " +
multipleValues.join(", "));
}
$("select").change(displayVals);
displayVals();
});
</script>
<style>
p { color:red; margin:4px; }
b { color:blue; }
</style>
</head>
<body>
<p></p>
<select id="single">
<option>Single</option>
<option>Single2</option>
</select>
<select id="multiple" multiple="multiple">
<option selected="selected">Multiple</option>
<option>Multiple2</option>
<option selected="selected">Multiple3</option>
</select>
</body>
</html>
[実行結果]