<html>
<body>
<p>Hello World!</p>
<div id="main">
<p>The DOM is very useful.</p>
<p>This example demonstrates the <b>getElementsByTagName</b> method</p>
</div>
<script>
x=document.getElementById("main").getElementsByTagName("p");
document.write("First paragraph inside the div: " + x[0].innerHTML);
</script>
</body></html>