D3 Examples - W3C Validation Errors

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<!DOCTYPE html>
<meta charset="utf-8">
<title>W3C Validation Errors</title>
<style>
​
text {
  font: 10px sans-serif;
}
​
rect.value {
  fill: #aaa;
}
​
rect.value:hover {
  fill: steelblue;
}
​
text.name {
  fill: black;
  text-shadow: 0 1px 1px #fff;
  pointer-events: none;
}
​
.axis {
  shape-rendering: crispEdges;
}
​
.axis path {
  fill: none;
}
​
.x.axis path {
  display: none;
}
​
.x.axis line {
  stroke: #fff;
  stroke-opacity: .8;
}
​
.y.axis line {
  stroke: black;
}
​
</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
​
var margin = {top: 30, right: 10, bottom: 10, left: 30},
    width = 960 - margin.left - margin.right,
    height = 1950 - margin.top - margin.bottom;
​
var x = d3.scale.linear()
    .range([0, width]);
​
var y = d3.scale.ordinal()
    .rangeRoundBands([0, height], .1);
​
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.json("errors.json", function(error, errors) {
  if (error) throw error;
​
  errors.sort(function(a, b) { return b.value - a.value; });
​
  // Set the scale domain.
  x.domain([0, d3.max(errors, function(d) { return d.value; })]);
  y.domain(d3.range(errors.length));
​
  svg.selectAll(".value")
      .data(errors)
    .enter().append("rect")
      .attr("class", "value")
      .attr("y", function(d, i) { return y(i); })
      .attr("width", function(d) { return x(d.value); })
      .attr("height", y.rangeBand());
​
  svg.append("g")
      .attr("class", "x axis")
    .call(d3.svg.axis()
      .scale(x)
      .orient("top")
      .ticks(12)
      .tickSize(-height));
​
  svg.selectAll(".name")
      .data(errors)
    .enter().append("text")
      .attr("class", "name")
      .attr("x", 6)
      .attr("y", function(d, i) { return y(i) + y.rangeBand() / 2; })
      .attr("dx", -3)
      .attr("dy", ".35em")
      .text(function(d) { return d.name; });
​
  svg.append("g")
      .attr("class", "y axis")
    .append("line")
      .attr("y2", height);
});
​
</script>
​
    