What does the code inside the script element do?

It accesses the paragraphIt updates the paragraph's textIt accesses the headingIt accesses the heading's text<html>
<body>
<h1 id="studio">SwimFit</h1>
<p id="trial">Try the free trial</p>
<script>
document.getElementById("trial");
</script>
</body>
</html>]]>

The code is accessing the paragraph.