JSFiddle - React, Tailwind, and code Playground

by IPWright83

CSS

rect {
  fill: steelblue;
}

JavaScript

var margin = {top: 20, right: 55, bottom: 30, left: 40},
          width  = 1000 - margin.left - margin.right,
          height = 500  - margin.top  - margin.bottom;

      var x = d3.scale.ordinal().rangeRoundBands([0, width], .1);
      var y = d3.scale.linear().rangeRound([height, 0]);
      var line = d3.svg.line().interpolate("cardinal")
          .x(function (d) { return x(d.label) + x.rangeBand() / 2; })
          .y(function (d) { return y(d.value); });

      var color = d3.scale.ordinal()
          .range(["#001c9c","#101b4d","#475003","#9c8305","#d3c47c"]);

      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 + ")");

      var data = [
            { year: 1950, europe: 546, americas: 332, africa: 227 },
            { year: 2050, europe: 650, americas: 1231, africa: 1937 },
            { year: 2040, europe: 680, americas: 1178, africa: 1665 },
            { year: 2030, europe: 704, americas: 1110, africa: 1416 },
            { year: 2020, europe: 721, americas: 1027, africa: 1189 },
            { year: 2010, europe: 728, americas: 935, africa: 982 },
            { year: 2000, europe: 730, americas: 836, africa: 797 },
            { year: 1990, europe: 721, americas: 721, africa: 623 },
            { year: 1980, europe: 694, americas: 614, africa: 471 },
            { year: 1970, europe: 656, americas: 513, africa: 361 },
            { year: 1960, europe: 605, americas: 417, africa: 283 }
        ];
        console.log("Inital Data", data);

        var labelVar = 'year';
        var varNames = d3.keys(data[0])
            .filter(function (key) { return key !== labelVar;});

        color.domain(varNames);

        var seriesData = varNames.map(function (name) {
          return {
            name: name,
            values:...