D3 Examples - CFPB Student Loan Complaints

CFPB Student Loan Complaints
This line chart shows the number of student loan complaints the cfpb recieved everday from January 1, 2017 - March 31, 2017. This data is from part of the Data.gov: Consumer Complaint Database where only the product student loan was taken out using Excel to show the line chart.
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<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width">
    <script src="https://d3js.org/d3.v4.min.js"></script>
    <title>CFPB Student Loan Complaints</title>
    <style>
      body {
        margin: 0px;
      }
      .domain {
        display: none;
      }
      .tick line {
        stroke: #C0C0BB;
      }
      .tick text {
        fill: #8E8883;
        font-size: 10pt;
        font-family: sans-serif;
      }
      .axis-label {
        fill: #635F5D;
        font-size: 20pt;
        font-family: sans-serif;
      }
      
      #chart {
        position: fixed;
        left: 0px;
        right: 0px;
        top: 0px;
        bottom: 0px;
      }
    </style>
  </head>
  <body>
    <div id="chart"></div>
    <svg width="960" height="500"></svg>
    <script>
      const xValue = d => d.createddate;
      const xLabel = 'Date';
      const yValue = d => d.CountOfProduct;
      const yLabel = 'Number of Complaints';
      const margin = { left: 120, right: 30, top: 20, bottom: 120 };
​
      var chartDiv = document.getElementById("chart")
      var svg = d3.select(chartDiv).append("svg")
      //const svg = d3.select('svg');
      //const width = svg.attr('width');
      //const height = svg.attr('height');
      //const innerWidth = width - margin.left - margin.right;
      //const innerHeight = height - margin.top - margin.bottom;
​
      function redraw(){
        var width = chartDiv.clientWidth;
        var height = chartDiv.clientHeight;
        
        svg
            .attr("width", width)
            .attr("height", height);
        
        const innerWidth = width - margin.left - margin.right;
        const innerHeight = height - margin.top - margin.bottom;
        
        const g = svg.append('g')
          .attr('transform', `translate(${margin.left},${margin.top})`);
        const xAxisG = g.append('g')
          .attr('transform', `translate(0, ${innerHeight})`);
        const yAxisG = g.append('g');
        
        xAxisG.append('text')
          .attr('class', 'axis-label')
          .attr('x', innerWidth / 2)
          .attr('y', 100)
          .text(xLabel);
​
      yAxisG.append('text')
          .attr('class', 'axis-label')
          .attr('x', -innerHeight / 2)
          .attr('y', -60)
          .attr('transform', `rotate(-90)`)
          .style('text-anchor', 'middle')
          .text(yLabel);
      
      var parseTime = d3.timeParse("%-m/%-d/%Y");
​
      const xScale = d3.scaleTime();
      const yScale = d3.scaleLinear();
​
      const xAxis = d3.axisBottom()
        .scale(xScale)
        .tickPadding(15)
        .tickSize(-innerHeight);
​
      const yTicks = 5;
      const yAxis = d3.axisLeft()
        .scale(yScale)
        .ticks(yTicks)
        .tickPadding(15)
        .tickSize(-innerWidth);
​
      const line = d3.line()
        .x(d => xScale(xValue(d)))
        .y(d => yScale(yValue(d)))
        .curve(d3.curveBasis);
​
      const row = d => {
        d.createddate = new Date(d.createddate);
        d.CountOfProduct = +d.CountOfProduct;
        return d;
      };
​
      d3.csv('cfpb_student_loan.csv', row, data => {
        xScale
          .domain(d3.extent(data, xValue))
          .range([0, innerWidth]);
​
        yScale
          .domain(d3.extent(data, yValue))
          .range([innerHeight, 0])
          .nice(yTicks);
​
        //var lines = svg.selectAll("line").data(data)
        
        //lines
            //.enter().append("path")
                //.style("fill","none")
                //.style("stroke", "steelblue")
                //.style("stroke-width",4)
            //.merge(lines)
                //.attr("d", line(data));
        
        g.append('path')
            .attr('fill', 'none')
            .attr('stroke', 'steelblue')
            .attr('stroke-width', 4)
            .attr('d', line(data));
​
        xAxisG.call(xAxis);
        yAxisG.call(yAxis);
      });
        
      }
      
      redraw();
      //window.addEventListener("resize",redraw);
​
      
    </script>
  </body>
</html>
​
    