Testing jQuery.data() with undefined value

by rwaldron

HTML

<script src="https://getfirebug.com/firebug-lite-debug.js"></script>
<div id="test">hi</div>

JavaScript

var testDiv = $('#test');


testDiv.data("someData", "value");
testDiv.data("someData", undefined);

console.log(testDiv.data("someData"));

testDiv.data("someData", null);

console.log(testDiv.data("someData"));