knight d3 test block

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Bar Chart</title>
		<script src="//d3js.org/d3.v3.min.js" charset="utf-8"></script>
		<style type="text/css">

body {
				background-color: white;
				font-family: Helvetica, Arial, sans-serif;
			}

h1 {
				font-size: 24px;
				margin: 0;
			}

p {
				font-size: 14px;
				margin: 10px 0 0 0;
			}

svg {
				background-color: white;
			}

.axis path,
			.axis line {
				fill: none;
				stroke: black;
				shape-rendering: crispEdges;
			}

.y.axis path,
			.y.axis line {
				opacity: 0;
			}

g.bar {
				cursor: pointer;
			}
			g.bar:hover rect {
				fill: orange;
			}

g.bar text {
				opacity: 0;
				font-size: 11px;
				font-weight: bold;
				text-anchor: end;
			}

g.bar:hover text {
				opacity: 1;
			}

</style>
	</head>
	<body>
		<div id="container">

<h1>Life Satisfaction</h1>

<p>Better Life Index &ldquo;Life Satisfaction&rdquo; scores by country. Source: <a href="https://stats.oecd.org/Index.aspx?DataSetCode=BLI">OECD</a>, 2014</p>
		</div>

var w = 700;
			var h = 600;
			var padding = [ 20, 10, 30, 120 ];  //Top, right, bottom, left

var widthScale = d3.scale.linear()
								.range([ 0, w - padding[1] - padding[3] ]);

var heightScale = d3.scale.ordinal()
								.rangeRoundBands([ padding[0], h - padding[2] ], 0.1);

var xAxis = d3.svg.axis()
							.scale(widthScale)
							.orient("bottom");

var yAxis = d3.svg.axis()
							.scale(heightScale)
							.orient("left");

var svg = d3.select("#container")
						.append("svg")
						.attr("width", w)
						.attr("height", h);

d3.csv("betterlifeindex.csv", function(data) {

data.sort(function(a, b) {
					return d3.descending(+a.lifeSatisfaction, +b.lifeSatisfaction);
				});

widthScale.domain([ 0, d3.max(data, function(d) {
					return +d.lifeSatisfaction;
				}) ]);

heightScale.domain(data.map(function(d) { return d.country; } ));

var groups = svg.selectAll("g")
					.data(data)
					.enter()
					.append("g")
					.attr("class", "bar");

var rects = groups.append("rect")
					.attr("x", padding[3])
					.attr("y", function(d) {
						return heightScale(d.country);
					})
					.attr("width", 0)
					.attr("height", heightScale.rangeBand())
					.attr("fill", "steelblue")

rects.transition()
					.duration(500)
					.delay(function(d, i){ return i * 40; })
					.attr("width", function(d) {
						return widthScale(d.lifeSatisfaction);
					});

svg.append("g")
					.attr("class", "x axis")
					.attr("transform", "translate(" + padding[3] + "," + (h - padding[2]) + ")")
					.call(xAxis);

svg.append("g")
					.attr("class", "y axis")
					.attr("transform", "translate(" + padding[3] + ",0)")
					.call(yAxis);

});

</script>

</body>
</html>

https://d3js.org/d3.v3.min.js