Taipei Youbike Rental Times since 2012

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Youbike Bar Chart</title>
		<script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
		<style type="text/css">
			
			body {
				margin: 40px 0px 0px 40px ;
			}

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

p {
				font-size: 16px;
				margin: 10px 0 0 0;
				font-family: sans-serif;
			}

svg {
				background-color: white;
			}

.bar {
				cursor: pointer;
			}

.bar text {
				font-family: Helvetica, sans-serif;
				font-size: 11px;
				opacity: 0;
			}

.bar:hover text {
				opacity: 1;
			}

.bar:hover rect {
				fill: orange;
			}

.axis path, 
			.axis line {
				fill: none;
				stroke: black;
				shape-rendering: crispEdges;
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.axis text {
				font-family: sans-serif;
				font-size: 11px;
			}

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

</style>
	</head>
	<body>
		<h1>Taipei Youbike Usage</h1>
		<p>Monthly Rental Times Since 2012. Source <a href="https://data.taipei.gov.tw/"> Data Taipei</a>.</p>

var w = 800;
			var h = 600;
			var padding = [20, 30, 50, 90];

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("youbike.csv",function(data){

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

heightscale.domain(data.map(function(d){return d.yearMonth;}));

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

groups.append("rect")
					.attr("x", padding[3])
					.attr("y", function(d,i){
						return heightscale(d.yearMonth);
					})
					.attr("width", function (d){
						return widthscale(d.monthlyTotalRentalTimes);
					})
					.attr("height", heightscale.rangeBand())
					.attr("fill","#5292f9");

groups.append("text")
					.attr("x", function(d) {
						return padding[3] + widthscale(d.monthlyTotalRentalTimes);
					})
					.attr("y", function(d) {
						return heightscale(d.yearMonth) + 10;
					})
					.text(function(d) {
						return d.monthlyTotalRentalTimes;
					});

// .append("svg:title")
					// .text(function(d) {
					// 	return d.monthlyTotalRentalTimes;
					// });

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