index.html
<!DOCTYPE html>
<head>
<meta charset="utf-8">
</head>
<style>
.viz-point .point circle{
fill: steelblue;
stroke: none;
}
</style>
<body>
<svg width="960" height="600">
<g transform="translate(50,50)"></g>
</svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="//vizjs.org/viz.v1.3.0.min.js"></script>
<script>
d3.select("g").call(viz.point().data(randomData()));
function randomData(){
return d3.range(20).map(function(i){ return {key:i, value: Math.random()}; });
}
</script>