D3 Examples - Text Concordance

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<!DOCTYPE html>
<meta charset="utf-8">
<style>
​
  text {
   font-family: Consolas;
   font-size: 1rem
  }
  
  .line:hover {
    fill: steelblue;
    font-weight: bold;
  }
  
  .line:hover .pivot {
    fill: steelblue;
  }
  .pivot {
    font-weight: bold;
    fill: steelblue;
    text-anchor: middle;
  }
 
  .pre {
    text-anchor: end;
  }
  
  .post {
    text-anchor: start;
  }
​
</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
​
const pivotValue = "Alice"
var dataSelection = [];
  
var margin = {top: 20, right: 20, bottom: 30, left: 40},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;
​
var x = d3.scale.ordinal()
    .rangeRoundBands([0, width], .1);
​
var y = d3.scale.linear()
    .range([height, 0]);
​
var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");
​
var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left")
    .ticks(10, "%");
​
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.tsv("data.csv", function(error, data) {
  console.log(error)
  console.log(data)
  if (error) throw error;
​
  x.domain(data.map(function(d) { return d.letter; }));
  y.domain([0, d3.max(data, function(d) { return d.frequency; })]);
  
  var g = svg.selectAll("g")
    .data(data)
   .enter().append("g")
        .attr("class", "line")
  
  var pivot = g.append("text")
    .attr("class", "pivot")
    .attr("x", width/2)
    .attr("y", (d,i)=> `${i*2}rem`)
    .html(pivotValue)
    .on("click", changeState)
  
  var pre = g.append("text")
    .attr("class", "pre")
    .attr("x", (width-120)/2)
    .attr("y", (d,i)=> `${i*2}rem`)
    .html(d=>d.pre)
    .on("click", changeState)
  
  var post = g.append("text")
    .attr("class", "post")
    .attr("x", (width+120)/2)
    .attr("y", (d,i)=> `${i*2}rem`)
    .html(d=>d.post)
    .on("click", changeState)
​
  
   
   function changeState(d,i) {
    
     }  
  
});
​
​
</script>
​
    