D3js tutorials - bar chart 3

https://github.com/mbostock/d3/wiki/Tutorials

HTML

<script src="//cdn.jsdelivr.net/d3js/3.4.13/d3.min.js"></script>
<svg class="chart"></svg>

CSS

.chart rect {
  fill: steelblue;
}

.chart text {

  font: 10px sans-serif;
  text-anchor: end;
}

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

.x.axis path {
  display: none;
}

JavaScript

var data = [
  {voie: "100",    value:  4},
  {voie: "101",    value:  8},
  {voie: "102",     value: 15},
  {voie: "103",   value: 16},
 
];


var margin = {top: 50, right: 300, bottom: 300, left: 100},
    width = $(".chart").parent().width() - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

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

var chart = d3.select(".chart")
    .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.voie; }));
  y.domain([0, d3.max(data, function(d) { return d.value; })]);

  chart.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis);

  chart.append("g")
      .attr("class", "y axis")
      .call(yAxis);

  chart.selectAll(".bar")
      .data(data)
    .enter().append("rect")
      .attr("class", "bar")
      .attr("x", function(d) { return x(d.voie); })
      .attr("y", function(d) { return y(d.value); })
      .attr("height", function(d) { return height - y(d.value); })
      .attr("width", x.rangeBand());

chart.append("text")
    .attr("transform", "rotate(-90)")
    .attr("y", 6)
    .attr("dy", ".71em")
    .style("text-anchor", "end")
    .text("minute");