linetest.js

function linetest()
{
var margin = {top: 20, right: 20, bottom: 30, left: 50},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;
var parseTime = d3.timeParse("%d-%b-%y");
var x = d3.scaleTime().range([0, width]);
var y = d3.scaleLinear().range([height, 0]);
var valueline = d3.line()
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.close); });

var svg = d3.select(".content").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("https://pecu.github.io/D3/stocks.csv", function(error, data) {
  if (error) throw error;
  data.forEach(function(d) {
      d.date = parseTime(d.date);
      d.close = +d.close;
  });
  x.domain(d3.extent(data, function(d) { return d.date; }));
  y.domain([0, d3.max(data, function(d) { return d.close; })]);
  svg.append("path")
      .data([data])
      .attr("class", "line")
      .attr("d", valueline);
  svg.append("g")
      .attr("transform", "translate(0," + height + ")")
      .call(d3.axisBottom(x));
  svg.append("g")
      .call(d3.axisLeft(y));

});
}