JSFiddle - React, Tailwind, and code Playground

by Santosh Giridhara

HTML

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

CSS

.area {
  fill: lightsteelblue;
}

.line {
  fill: none;
  stroke: steelblue;
  stroke-width: 1.5px;
}

JavaScript

var data = dataValue();
function dataValue(){
    var time = (new Date()).getTime();
 var dataArray = [],
            i;

        for (i = -1 * n; i <= 0; i++) {
            dataArray .push([time + i * 3600 * 1000, sign * Math.random() * 512]);
        }
        return dataArray ;
}
var margin = {top: 10, right: 10, bottom: 20, left: 40},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var x = d3.scale.linear()
    .domain([0, 1])
    .range([0, width]);

var y = d3.scale.linear()
    .domain([0, 1])
    .range([height, 0]);

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");

var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left");

var line = d3.svg.line()
    .x(function(d) { return x(d.x); })
    .y(function(d) { return y(d.y); });

var area = d3.svg.area()
    .x(line.x())
    .y1(line.y())
    .y0(y(0));

var svg = d3.select("body").append("svg")
    .datum(data)
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

svg.append("path")
    .attr("class", "area")
    .attr("d", area);

svg.append("g")
    .attr("class", "x axis")
    .attr("transform", "translate(0," + height + ")")
    .call(xAxis);

svg.append("g")
    .attr("class", "y axis")
    .call(yAxis);

svg.append("path")
    .attr("class", "line")
    .attr("d", line);

svg.selectAll(".dot")
    .data(data.filter(function(d) { return d.y; }))
  .enter().append("circle")
    .attr("class", "dot")
    .attr("cx", line.x())
    .attr("cy", line.y())
    .attr("r", 3.5);