JSFiddle - React, Tailwind, and code Playground

by Sajeetharan Sinnathurai

CSS

body {
    font: 10px sans-serif;
}
.axis path, .axis line {
    fill: none;
    stroke: #000;
    shape-rendering: crispEdges;
}
.x.axis path {
    display: none;
}
.line {
    fill: none;
    stroke: steelblue;
    stroke-width: 1.5px;
}

JavaScript

var margin = {
    top: 20,
    right: 80,
    bottom: 30,
    left: 50
},
width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var parseDate = d3.time.format("%Y-%m-%d").parse;

var x = d3.time.scale()
    .range([0, width]);

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

var color = d3.scale.category10();

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

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

var line = d3.svg.line()
    .interpolate("basis")
    .x(function (d) {
    return x(d.date);
})
    .y(function (d) {
    return y(d.da);
});

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 + ")");
//your dataset
var myData = {
    "Site1": [{
        "da": 1.0,
            "date": "2015-09-01"
    }, {
        "da": 2.0,
            "date": "2015-09-04"
    }],
        "Site2": [{
        "da": 1.0,
            "date": "2015-09-01"
    }, {
        "da": 2.0,
            "date": "2015-09-04"
    }, {
        "da": 5.0,
            "date": "2015-09-04"
    }]
};
//make fulldataset to get the extent of x axis and yaxis
var fullDataSet = []
for (var key in myData) {
    fullDataSet = fullDataSet.concat.apply(fullDataSet, myData[key]);
}
fullDataSet.forEach(function (d) {
    d.date = parseDate(d.date);
    d.da = +d.da;
});
//get the xaxis extent i.e. min max
x.domain(d3.extent(fullDataSet, function (d) {
    return d.date;
}));
//get the yaxis extent i.e. min max
y.domain(d3.extent(fullDataSet, function (d) {
    return d.da;
}));
//make teh x axis
svg.append("g")
    .attr("class", "x axis")
    .attr("transform", "translate(0," + height + ")")
    .call(xAxis);
//make teh y axis
svg.append("g")
    .attr("class", "y axis")
    .call(yAxis)
    .append("text")
    .attr("transform", "rotate(-90)")
   ...