D3 Examples - Internet users 20150404

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>Creating HTML Elements from Data</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
    </head>
    <body>
        <p>Internet users (per 100 people)</p>
        <script type="text/javascript">     
​
            var svg = d3.select("body")
                        .append("svg")
                        .attr("width", 300)
                        .attr("height", 1000);
​
            d3.csv("netuser.csv", function(data) {
​
                data.sort(function(a, b) {
                    return d3.descending(+a.y2013, +b.y2013);
​
                    //If your numeric values aren't sorting properly,
                    //try commenting out the line above, and instead using:
                    //
                    //return d3.descending(+a.lifeSatisfaction, +b.lifeSatisfaction);
                    //
                    //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 * 4;
                    })
                    .attr("width", function(d) {
                        return d.y2013 * 300/100;
                    })
                    .attr("height", 3)
                    .attr("fill", "#666")
                    .append("title")
                    .text(function(d) {
                        return d.CountryName + " : " + d.y2013;
                    });
​
                d3.select("body")
                    .selectAll("p")
                    .data(data)
                    .enter()
                    .append("p")
                    .text(function(d) {
                        return d.year2013;
                    });
            });
​
​
​
​
        </script>
​
    </body>
</html>
    