D3 Examples - MODULE3 Exercise: Water Consumption In The New York City / Data Bars

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>Water Consumption NY</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        <style type="text/css">
            
                rect:hover{
                  fill-opacity: 0.5;
                  stroke:none;
                    }
            
            body {
                background-color: #6dcff6;
            }
            
            h1 {
                color: #ffffff;
                font-family:tahoma;
                font-weight:100;
                font-size:200%;
                letter-spacing:5pt;
            }
            
            h3 {
                color: #ffffff;
                font-family: tahoma;
                font-size: 110%;
                font-weight: 400;
                text-indent: 10px;
                letter-spacing: 5pt;
                position: absolute;
                top: -0.5em;
                left: 0em;
                width: 30em }
            
            }
            
​
            rect:hover {
                fill: #ffffff;
            } 
        
            
            svg {
                background-color: #6dcff6;
            }
​
        </style>
    </head>
    <body>
        
​
        <script type="text/javascript">     
            
                d3.select("body")
                .append("h1")
                .text("IN THE NEW YORK CITY");
            
                d3.select("body")
                .append("h3")
                .text("WATER CONSUMPTION");
            
        
            
​
            var svg = d3.select("body")
                        .append("svg")
                        .attr("width", 800)
                        .attr("height", 400);
​
            
​
            
​
            d3.csv("WaterConsumptionInTheNewYorkCity.csv", function(data) {
​
                data.sort(function(a, b) {
                    return d3.descending(a.Year, b.Year);
​
                    //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 * 13;
                    })
                    .attr("fill", "black")
                    .attr("width", function(d) {
                        return d.NYCConsumptionMilliongallonsperday / 2;
                    })
                    .attr("height",9)
                    .append("title")
                    .text(function(d) {
                        return d.NYCConsumptionMilliongallonsperday + " Millions of Gallons per Day in " + d.Year;
                    
                    
                    });
            
​
            });
​
    
​
        </script>
​
    </body>
</html>
    