JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://d3js.org/d3.v2.min.js"></script>

JavaScript

var vis = d3.select("body").append("svg")
var pi = Math.PI;

var arc = d3.svg.arc()
    .innerRadius(300)
    .outerRadius(320)
    .startAngle(0 * (pi/180))
    .endAngle(-pi)

vis.append("path")
    .attr("d", arc)
    .attr("transform", "translate(350,350)")