D3: Bar Chart with Scales and Axes

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Issues</title>
		<script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
		<style type="text/css">
			
		body {
			font-family: 'Open Sans',Helvetica,arial,sans-serif;
			line-height: 42px;
		}
		h1 {
			font-weight: 600;
			text-transform: uppercase;
		}
		header {
			color: #36435A;
		}
		hr {
			border: 2px solid #36435A;
		}
		.standout {
			color: #36435A;
			font-size: 22px;
			font-weight: bold;
			text-decoration: none;
		}
		.standout a {
			color: #36435A;
			font-size: 32px;
			font-weight: 600;
			text-decoration: none;
		}
		.standout a:hover {
			text-decoration: underline;
		}
		svg {
			background: #FFFFFF;
		}
		rect:hover {
			fill: #0DDDFF;
		}
		.axis path,
		.axis line {
			fill: none;
			stroke: black;
			shape-rendering: crispEdges;
		}
		.axis text {
			font-family: sans-serif;
			font-size: 11px;
		}
		.y.axis path,
		.y.axis line {
			opacity: 0;
		}
		</style>
	</head>
	<body>
		<header>
		<h1>Open Issues</h1>
		<p>from the top 25 <span class='standout'>data visualization</span> repos on <span class='standout'><a href='https://github.com'>GitHub</a></span> (data accessed March 2015)</p>
		<hr/>
		</header>
	
		<script type="text/javascript">

var w = 900;
			var h = 450;
			var padding = [ 20, 50, 20, 150 ];  //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("body")
						.append("svg")
						.attr("width", w)
						.attr("height", h);
				
			d3.csv("github-api-visualization-cleaned.csv", function(dataLoad) {
				
				var dataSorted = dataLoad.sort(function(a,b) {
					return d3.descending(+a.open_issues_count,+b.open_issues_count);
				})

var data = dataSorted.filter(function(d,i) {
					if (i<25) {
						return d;
					}});

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

heightScale.domain(data.map(function(d) { return d.name; } ));
				
				var rects = svg.selectAll("rect")
								.data(data)
								.enter()
								.append("rect");
								
				rects.attr("x", padding[3])
					 .attr("y", function(d) {
						return heightScale(d.name);
					 })
					 .attr("width",0)
					 .attr("fill","#FFFFFF")
					 .transition()
					 .duration(2000)
					 .attr("width", function(d) {
						return widthScale(d.open_issues_count);
					 })
					 .attr("height", heightScale.rangeBand())
					 .attr("fill","#3A96B7");
					 
				rects.append("title")
					 .text(function(d) {
						return d.name + " has " + d.open_issues_count + " open issues";
					});
					
				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] - 5) + ",0)")
					.call(yAxis);

});

</script>
		
	</body>
</html>

Modified http://d3js.org/d3.v3.js to a secure url

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