$.data
<!DOCTYPE html>
<html>
<head>
<style>
div { margin:5px; background:yellow; }
button { margin:5px; font-size:14px; }
p { margin:5px; color:blue; }
span { color:red; }
</style>
<script src="http://code.jquery.com/jquery-latest.js"></script>
</head>
<body>
<div>A div</div>
<button>Get "blah" from the div</button>
<button>Set "blah" to "hello"</button>
<button>Set "blah" to 86</button>
<button>Remove "blah" from the div</button>
<p>The "blah" value of this div is <span>?</span></p>
<script>
$("button").click(function(e) {
var value, div = $("div")[0];
switch ($("button").index(this)) {
case 0 :
value = jQuery.data(div, "blah");
break;
case 1 :
jQuery.data(div, "blah", "hello");
value = "Stored!";
break;
case 2 :
jQuery.data(div, "blah", 86);
value = "Stored!";
break;
case 3 :
jQuery.removeData(div, "blah");
value = "Removed!";
break;
}
$("span").text("" + value);
});
</script>
</body>
</html>
