Sortable Bar Chart

by Nivaldo

HTML

<label><input type="checkbox"> Sort values</label>

CSS

body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  position: relative;
  width: 800px;
}

.axis text {
  font: 10px sans-serif;
}

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

.bar {
  fill: steelblue;
  fill-opacity: .9;
}

.x.axis path {
  display: none;
}

label {
  position: absolute;
  top: 10px;
  right: 10px;
}

JavaScript

// Sortable bar chart

var data = [
    {letter: "A", frequency: 0.08167},
    {letter: "B", frequency: 0.01492},
    {letter: "C", frequency: 0.0278},
    {letter: "D", frequency: 0.04253},
    {letter: "E", frequency: 0.12702},
    {letter: "F", frequency: 0.02288},
    {letter: "G", frequency: 0.02022},
    {letter: "H", frequency: 0.06094},
    {letter: "I", frequency: 0.06973},
    {letter: "J", frequency: 0.00153},
    {letter: "K", frequency: 0.00747},
    {letter: "L", frequency: 0.04025},
    {letter: "M", frequency: 0.02517},
    {letter: "N", frequency: 0.06749},
    {letter: "O", frequency: 0.07507},
    {letter: "P", frequency: 0.01929},
    {letter: "Q", frequency: 0.00098},
    {letter: "R", frequency: 0.05987},
    {letter: "S", frequency: 0.06333},
    {letter: "T", frequency: 0.09056},
    {letter: "U", frequency: 0.02758},
    {letter: "V", frequency: 0.01037},
    {letter: "W", frequency: 0.02465},
    {letter: "X", frequency: 0.0015},
    {letter: "Y", frequency: 0.01971},
    {letter: "Z", frequency: 0.00074}
];

var margin = {top: 20, right: 20, bottom: 30, left: 40},
    width = 800 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var formatPercent = d3.format(".0%");

var x = d3.scale.ordinal()
    .rangeRoundBands([0, width], 0.1, 1);

var y = d3.scale.linear()
    .range([height, 0]);

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");

var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left")
    .tickFormat(formatPercent);

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 + ")");

  x.domain(data.map(function(d) { return d.letter; }));
  y.domain([0, d3.max(data, function(d) { return d.frequency; })]);

  svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
...