D3 Examples - the final one

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<!DOCTYPE html>
<meta charset="utf-8">
<head>
<style>
​
.rectangle {
  fill: brown;
}
.rectangle:hover {
    fill: orange;
}
.axis {
  font: 12px Garamond;
}
​
.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}
</style>
</head>
<body>
<div id="drop" align=center></div>
  <script src="https://d3js.org/d3.v3.min.js"></script>
<script>
​
var margin = {top: 80, right: 180, bottom: 80, left: 180},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;
​
var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
    .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
​
d3.csv("higherratings.csv", function (d) {
  // change string (from CSV) into number format
  d["release_date"] = +d["release_date"];
  d["vote_average"] = +d["vote_average"];
  d["budget"] = +d["budget"];
  d["revenue"] = +d["revenue"];
  return d;
}, function(error, data) {
​
    if (error) throw error;
    var elements = Object.keys(data[0])
        .filter(function(d){
            return ((d != "release_date") & (d != "title") & (d != "Novel Adaptation"));
        });
    var selection = elements[0];
​
    var y = d3.scale.linear()
            .domain([0, d3.max(data, function(d){
                return +d[selection];
            })])
            .range([height, 0]);
​
    var x = d3.scale.ordinal()
            .domain(data.map(function(d){ return d.title;}))
            .rangeBands([0, width]);
​
​
    var xAxis = d3.svg.axis()
        .scale(x)
        .orient("bottom");
​
    var yAxis = d3.svg.axis()
        .scale(y)
        .orient("left");
​
    svg.append("g")
        .attr("class", "x axis")
        .attr("transform", "translate(0," + height + ")")
        .call(xAxis)
        .selectAll("text")
        .style("font-size", "10px")
        .style("text-anchor", "end")
        .attr("dx", "-.8em")
        .attr("dy", "-.55em")
        .attr("transform", "rotate(-90)" )
        .attr("transform", "rotate(-25)");
​
​
    svg.append("g")
        .attr("class", "y axis")
        .call(yAxis);
​
    svg.selectAll("rectangle")
        .data(data)
        .enter()
        .append("rect")
        .attr("class","rectangle")
        .attr("width", width/data.length)
        .attr("height", function(d){
            return height - y(+d[selection]);
        })
        .attr("x", function(d, i){
            return (width / data.length) * i ;
        })
        .attr("y", function(d){
            return y(+d[selection]);
        })
        .append("title")
        .text(function(d){
            return d.title + " : " + d[selection];
        });
​
    var selector = d3.select("#drop")
        .append("select")
        .attr("id","dropdown")
        .on("change", function(d){
            selection = document.getElementById("dropdown");
​
            y.domain([0, d3.max(data, function(d){
                return +d[selection.value];})]);
​
            yAxis.scale(y);
​
            d3.selectAll(".rectangle")
                .transition()
                .attr("height", function(d){
                    return height - y(+d[selection.value]);
                })
                .attr("x", function(d, i){
                    return (width / data.length) * i ;
                })
                .attr("y", function(d){
                    return y(+d[selection.value]);
                })
                .ease("linear")
                .select("title")
                .text(function(d){
                    return d.title + " : " + d[selection.value];
                });
      
            d3.selectAll("g.y.axis")
                .transition()
                .call(yAxis);
​
         });
​
    selector.selectAll("option")
      .data(elements)
      .enter().append("option")
      .attr("value", function(d){
        return d;
      })
      .text(function(d){
        return d;
      })
​
​
});
​
</script>
</body>
​
    