【selector】
<html>
<head>
<script type="text/javascript" src='http://code.jquery.com/jquery-1.5.2.js'></script>
<script type="text/javascript">
$(document).ready(function(){
$("label + input").css("color", "blue").val("Labeled!")
});
</script>
</head>
<body>
<form>
<label>Name:</label>
<input name="name" />
<fieldset>
<label>Age:</label>
<input name="age" />
</fieldset>
</form>
</body>
</html>
