D3 Examples - Renewable Energy Chart

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>Renewable Energy Bar Chart</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        <style type="text/css">
            
            body {
                background-color: #ddddff;
            }
​
            svg {
                background-color: white;
            }
​
        </style>
    </head>
    <body>
<p>This chart shows the percentage of renewable energy generation </p>
<p>in relation to other sources of energy in several countrys from the OCDE in 2011.</p>
        <script type="text/javascript">     
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            var svg = d3.select("body")
                        .append("svg")
                        .attr("width", 400)
                        .attr("height", 600);
​
​
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            d3.csv("renewable_energy.csv", function(data) {
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data.sort(function(a, b) {
                    return d3.descending(+a.year2011, +b.year2011);
​
                    //If your numeric values aren't sorting properly,
                    //try commenting out the line above, and instead using:
                    //
                    //return d3.descending(+a.2011, +b.2011);
                    //
                    //Data coming in from the CSV is saved as strings (text),
                    //so the + signs here force JavaScript to treat those
                    //strings instead as numeric values, thereby fixing the
                    //sort order (hopefully!).
                });
​
                var rects = svg.selectAll("rect")
                                .data(data)
                                .enter()
                                .append("rect");
​
                rects.attr("x", 0)
                    .attr("y", function(d, i) {
                        return i * 14;
                    })
                    .attr("width", function(d) {
                        return d.year2011 * 0.4;
                    })
                    .attr("height", 10)
                    .append("title")
                    .text(function(d) {
                        return d.Country + "'s % of total energy generation is " + d.year2011 * 0.1;
                    });
});
            
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        </script>
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    </body>
</html>
    