<!DOCTYPE html>
<html>
<body>
<p>Click the button to create a BLOCKQUOTE element with a link to worldwildlife.org as the source of the quotation.</p>
<button onclick="myFunction()">Try it</button>
<script>
function myFunction() {
var x = document.createElement("BLOCKQUOTE");
var t = document.createTextNode("For 50 years, WWF has been protecting the future of nature.");
x.setAttribute("cite", "http://www.worldwildlife.org/who/index.html");
x.appendChild(t);
document.body.appendChild(x);
}
</script>
</body>
</html>