Internals/API/jQuery - Sample Code
jQuery.removeData(elem, name)
<!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(){
var adiv = $("div").get(0);
$("span:eq(0)").text("" + jQuery.data(adiv, "test1"));
jQuery.data(adiv, "test1", "VALUE-1");
jQuery.data(adiv, "test2", "VALUE-2");
$("span:eq(1)").text("" + jQuery.data(adiv, "test1"));
jQuery.removeData(adiv, "test1");
$("span:eq(2)").text("" + jQuery.data(adiv, "test1"));
$("span:eq(3)").text("" + jQuery.data(adiv, "test2"));
});
</script>
<style>
div { margin:2px; color:blue; }
span { color:red; }
</style>
</head>
<body>
<div>value1 データ設定前: <span></span></div>
<div>value1 データ設定後: <span></span></div>
<div>value1 データ削除後: <span></span></div>
<div>value2 データ削除後: <span></span></div>
</body>
</html>
[実行結果]