d3.js Getting started with d3.js Hello, world!
Example
Create an .html file containing this snippet:
<!DOCTYPE html>
<meta charset="utf-8">
<body>
<script src="//d3js.org/d3.v4.min.js"></script>
<script>
d3.select("body").append("span")
.text("Hello, world!");
</script>
See this snippet in action at this JSFiddle.
