I'm trying to use HTML5 data- attributes and read them with the jQuery plugin.

First of all, does the DOCTYPE matter in this case? (I'm not worried about validation)

Here's what I'm trying to do:

```
<ul id="quiz">
  <li data-career="math" class="first">
    <span>Question 1</span>
    <input type="radio" name="question1" />
    <input type="radio" name="question1" />
    <input type="radio" name="question1" />
  </li>
  <li data-career="science">
    <span>Question 2</span>
    <input type="radio" name="question2" />
    <input type="radio" name="question2" />
    <input type="radio" name="question2" />
  </li>
</ul>

```

Then **THIS** throws an error `(a is undefined)`

```
$.metadata.setType("html5");
$(document).ready(function() {
    var data = $("#quiz .first").metadata();
    console.log(data);
});

```

**Also** `console.log(data.career)` **doesn't work either.**

***I'm using jQuery 1.4.2.***

*P.S. Is metadata now included as part of jQuery?*