Selectors/API/jQuery - Sample Code
:parent
<!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(){
$("#run").click(function(){
$("td:parent").fadeTo(1500, 0.3);
});
});
</script>
<style>
td { width:40px; background:green; }
</style>
</head>
<body>
<input type="button" id="run" value="Run" />
<table border="1">
<tr><td>Value 1</td><td></td></tr>
<tr><td></td><td>Value 2</td></tr>
</table>
</body>
</html>
[実行結果]