<html>
<head>
<script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
testObj=new Object();
testObj.greetingMorn="Good Morning!";
testObj.greetingEve="Good Evening!";
$("#btn1").click(function(){
$("div").data(testObj);
});
$("#btn2").click(function(){
alert($("div").data("greetingEve"));
});
});
</script>
</head>
<body>
<button id="btn1">Attach data to div element</button><br>
<button id="btn2">Get data attached to div element</button>
<div></div>
</body>
</html>