jQuery Core + jQuery UI

gistfile1.txt

<h1>Welcome to Week 9</h1>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.0/jquery.min.js">
</script>

<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.23/jquery-ui.min.js"></script>

<script>
$(document).ready(function() {
	$("h1").on("click", function() {
		$("p").toggle();
	});
});

</script>

<p>Baseball</p>
<p>Hockey</p>
<p>Football</p>
<p>Hockey</p>
<p>Soccer</p>
<p>Hockey</p>

<p>Ruby</p>
<p>HTML</p>
<p>CSS</p>
<p>Javascript</p>
<p>HAML</p>
<p>SASS</p>