Exercise 2: Free lunch in PBC public schools

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Exercise 2: Free lunch</title>
		<script type="text/javascript" src="https://d3js.org/d3.v3.min.js"></script>
		<style type="text/css">
			
			body {
				background-color: lightcyan;
			}

svg {
				background-color: white;
			}
			p {
				color: black;
	        	font-family: Helvetica, sans-serif;
	        	font-size: 16px;
			}
			h1 {
				color: black;
				font-family: Helvetica, sans-serif;
	        	font-size: 22px;
			}
			rect:hover{
			fill: dodgerblue;
		}
		</style>
	</head>
	<body>
		<h1>STUDENTS WHO QUALIFY FOR FREE LUNCH</h1>
		<p>The percentage of students qualifying for free lunch in Palm Beach County public schools is higher now than at any time during the past 20 years.</style></p>

var svg = d3.select("body")
						.append("svg")
						.attr("width", 300)
						.attr("height", 440)
						.attr("fill", "blue");

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

data.sort(function(a, b) {
					return d3.ascending(a.YEAR, b.YEAR);
				});

var rects = svg.selectAll("rect")
								.data(data)
								.enter()
								.append("rect");

rects.attr("x", 0)
					.attr("y", function(d, i) {
						return i * 20;
					})
					.attr("width", function(d) {
						return d.Percentfreelunch * 3;
					})
					.attr("height", 19)
					.append("title")
					.text(function(d) {
						return d.Percentfreelunch + "% of students qualified for free lunch in " + d.YEAR;
					});

svg.selectAll("text")
					.data(data)
					.enter()
					.append("text")
					.text(function(d) {
						return d.YEAR;
					})
					.attr("x", 5)
					.attr("y", function(d, i) {
						return i * 20 + 14;
					})
					.attr("font-family", "sans-serif")
	   				.attr("font-size", "12px")
	  				.attr("fill", "white");
	  				});
		</script>

</body>
</html>

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

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