JSFiddle - React, Tailwind, and code Playground

by yoni sidi

HTML

<script src="//d3js.org/d3.v3.min.js"></script>

CSS

body {
  font: 11px sans-serif;
}

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

.dot {
  stroke: #000;
}

.tooltip {
  position: absolute;
  width: 200px;
  height: 28px;
  pointer-events: none;
}

JavaScript

var margin = {top: 20, right: 20, bottom: 30, left: 40},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

/* 
 * value accessor - returns the value to encode for a given data object.
 * scale - maps value to a visual display encoding, such as a pixel position.
 * map function - maps from data value to display value
 * axis - sets up axis
 */ 

var xVar='Calories';

// setup x 
var xValue = function(d) { return d[xVar];}, // data -> value
    xScale = d3.scale.linear().range([0, width]), // value -> display
    xMap = function(d) { return xScale(xValue(d));}, // data -> display
    xAxis = d3.svg.axis().scale(xScale).orient("bottom");

// setup y
var yValue = function(d) { return d["Protein (g)"];}, // data -> value
    yScale = d3.scale.linear().range([height, 0]), // value -> display
    yMap = function(d) { return yScale(yValue(d));}, // data -> display
    yAxis = d3.svg.axis().scale(yScale).orient("left");

// setup fill color
var cValue = function(d) { return d.Manufacturer;},
    color = d3.scale.category10();

// add the graph canvas to the body of the webpage
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 + ")");

// add the tooltip area to the webpage
var tooltip = d3.select("body").append("div")
    .attr("class", "tooltip")
    .style("opacity", 0);

// load data
d3.csv("https://gist.githubusercontent.com/SinnerShanky/925f08febd10b40b8b5e/raw/61013864f780e43a99349cc1e31fc89b39d862c0/cereal.csv", function(error, data) {

  // change string (from CSV) into number format
  data.forEach(function(d) {
    d[xVar] = +d[xVar];
    d["Protein (g)"] = +d["Protein (g)"];
//    console.log(d);
  });

  // don't want dots overlapping axis, so add in buffer to data domain
  xScale.domain([d3.min(data, xValue)-1, d3.max(data,...