D3 Examples - labeled line plot

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<!DOCTYPE html>
<meta charset="utf-8">
<style>
​
text {
  font: 10px sans-serif;
}
​
.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}
​
.line {
  fill: none;
  stroke-width: 1.5px;
}
​
.label {
  text-anchor: middle;
}
​
.label rect {
  fill: white;
}
​
.label-key {
  font-weight: bold;
}
​
</style>
<svg width="960" height="500"></svg>
<script type="text/javascript" src="https://gc.kis.v2.scr.kaspersky-labs.com/4b5d2710-ec2d-ae4e-9377-31a1e8d0e3a4/main.js" charset="UTF-8"></script>
<script src="//d3js.org/d3.v4.0.0-alpha.9.min.js"></script>
<script>
​
var parseTime = d3.timeParse("%Y");
​
var 
= d3.select("svg");
​
var margin = {top: 30, right: 50, bottom: 30, left: 30},
    width = +svg.attr("width") - margin.left - margin.right,
    height = +svg.attr("height") - margin.top - margin.bottom,
    labelPadding = 3;
​
var g = svg.append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
​
d3.requestCsv("data.csv", function(d) {
  d.date = Date.parse(d.date);
  console.log(d.date)
  for (var k in d) if (k !== "date") d[k] = +d[k];
  return d;
}, function(error, data) {
  if (error) throw error;
​
  var series = data.columns.slice(1).map(function(key) {
    return data.map(function(d) {
      return {
        key: key,
        date: d.date,
        value: d[key]
      };
    });
  });
​
  var x = d3.scaleTime()
      .domain([data[0].date, data[data.length - 1].date])
      .range([0, width]);
​
  var y = d3.scaleLinear()
      .domain([0, d3.max(series, function(s) { return d3.max(s, function(d) { return d.value; }); })])
      .range([height, 0]);
​
  var z = d3.scaleCategory10();
​
  g.append("g")
      .attr("class", "axis axis--x")
      .attr("transform", "translate(0," + height + ")")
      .call(d3.axisBottom(x));
​
  var serie = g.selectAll(".serie")
      .data(series)
    .enter().append("g")
      .attr("class", "serie");
​
  serie.append("path")
      .attr("class", "line")
      .style("stroke", function(d) { return z(d[0].key); })
      .attr("d", d3.line()
          .x(function(d) { return x(d.date); })
          .y(function(d) { return y(d.value); }));
​
  var label = serie.selectAll(".label")
      .data(function(d) { return d; })
    .enter().append("g")
      .attr("class", "label")
      .attr("transform", function(d, i) { return "translate(" + x(d.date) + "," + y(d.value) + ")"; });
​
  label.append("text")
      .attr("dy", ".35em")
      .text(function(d) { return d.value; })
    .filter(function(d, i) { return i === data.length - 1; })
    .append("tspan")
      .attr("class", "label-key")
      .text(function(d) { return " " + d.key; });
​
  label.append("rect", "text")
      .datum(function() { return this.nextSibling.getBBox(); })
      .attr("x", function(d) { return d.x - labelPadding; })
      .attr("y", function(d) { return d.y - labelPadding; })
      .attr("width", function(d) { return d.width + 2 * labelPadding; })
      .attr("height", function(d) { return d.height + 2 * labelPadding; });
});
​
</script>
    