D3 Examples - line chart

xxxxxxxxxx
 
<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { padding: 30px; margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
    
    svg {
      border: 1px solid #aaa;
    }
  </style>
</head>
​
<body>
  <script>
    
    var margin = { top: 15, right: 15, bottom: 30, left: 30 };
    var outerWidth = 700;
    var outerHeight = 400;
    var width = outerWidth - margin.left - margin.right;
    var height = outerHeight - margin.top - margin.bottom;
    
    // Feel free to change or delete any of the code you see in this editor!
    var svg = d3.select("body").append("svg")
      .attr("width", outerWidth)
      .attr("height", outerHeight)
    .append('g')
        .attr('transform', `translate(${margin.left},${margin.top})`);
    
    var parseTime = d3.timeParse('%d-%b-%y');
    
    var x = d3.scaleTime()
            .rangeRound([0, width]);
​
    var y = d3.scaleLinear()
            .rangeRound([height, 0]);
    
    var line = d3.line()
        .x(d => x(d.date))
        .y(d => y(d.value));
    
    function draw(error, data) {
      if (error) return;
      
      data.forEach(d => {
        d.date = parseTime(d.date);
        d.value = +d.value;
      });
      
      x.domain(d3.extent(data, d => d.date));
      y.domain(d3.extent(data, d => d.value));
      
      svg.append('g')
        .attr('transform', `translate(0, ${height+10})`)
        .call(d3.axisBottom(x))
      .select('.domain')
        .remove();
      
      svg.append('g')
        .attr('transform', `translate(0, 0)`)
        .call(d3.axisLeft(y));
      
      svg.append('path')
        .datum(data)
        .attr('class', 'line')
        .attr('stroke', '#ddd')
        .attr('stroke-width', '1')
        .attr('fill', 'none')
        .attr('d', line);
    }
    
    d3.tsv('data.tsv', draw);
    
  </script>
</body>
​
    