<html>
<script src="//d3js.org/d3.v4.js"></script>
<body>
<h2>D3.js is Easy to Use</h2>
<p>The script below selects the body element and appends a paragraph with the text "Hello World!":</p>
<script>
d3.select("body").append("p").text("Hello World!");
</script>
</body>
</html>