Internals/API/jQuery - Sample Code
jQuery.data(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(){
$("button").click(function(e) {
var adiv = $("#adiv").get(0);
var value;
switch ($("button").index(this)) {
case 0 :
jQuery.data(adiv, "blah", "hello");
break;
case 1 :
jQuery.data(adiv, "blah", 86);
break;
case 2 :
jQuery.removeData(adiv);
break;
}
value = jQuery.data(adiv, "blah");
$("span").text("" + value);
});
});
</script>
<style>
div { margin:5px; background:yellow; }
button { margin:5px; font-size:14px; }
p { margin:5px; color:blue; }
span { color:red; }
</style>
</head>
<body>
<div id="adiv">DIV要素</div>
<button>"blah" に "hello" を代入</button>
<button>"blah" に 86 を代入</button>
<button>"blah" の値を削除</button>
<p>DIV要素の "blah" の現在値は <span>?</span> です。</p>
</body>
</html>
[実行結果]
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フレーム]