d3js v4 playground

by nicotr014

HTML

<script src="https://d3js.org/d3-selection-multi.v0.4.min.js"></script>
<script src="https://d3js.org/d3.v4.min.js"></script>
<svg id="svg" class="chart"></svg>

CSS

.chart rect {
  fill: steelblue;
}

.chart text {
  font: 10px sans-serif;
  text-anchor: middle;
}

.axis text {
  font: 10px sans-serif;
  fill: #000;
}

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
  stroke-width: 1px;
}

JavaScript

console.clear();
/* var data = [
  {name: "Locke",    value:  4},
  {name: "Reyes",    value:  8},
  {name: "Ford",     value: 15},
  {name: "Jarrah",   value: 16},
  {name: "Shephard", value: 23},
  {name: "Kwon",     value: 42}
]; */

// Parse the date / time
var	parseDate = d3.timeParse("%Y-%m");

var data = [{date: '2013-01', value: 53 },
{date: '2013-02', value: 165 },
{date: '2013-03', value: 269 },
{date: '2013-04', value: 344 },
{date: '2013-05', value: 376 },
{date: '2013-06', value: 410 },
{date: '2013-07', value: 421 },
{date: '2013-08', value: 405 },
{date: '2013-09', value: 376 },
{date: '2013-10', value: 359 },
{date: '2013-11', value: 392 },
{date: '2013-12', value: 433 },
{date: '2014-01', value: 455 },
{date: '2014-02', value: 478 }]

var margin = {top: 20, right: 20, bottom: 70, left: 40},
    width = 600 - margin.left - margin.right,
    height = 300 - margin.top - margin.bottom

var x = d3.scaleBand()
		.range([0, width])
    .padding(0.25);

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

var xAxis = d3.axisBottom(x)

var yAxis = d3.axisLeft(y)
    .ticks(10);

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


// After data load

x.domain(data.map(function(d) { return d.date; }));

y.domain([0, d3.max(data, function(d) { return d.value; })]);

// X-axis
svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis)
  .selectAll("text")
	    .style("text-anchor", "end")
      .attr("dx", "-.8em")
      .attr("dy", ".5em")
      .attr("transform", "rotate(-50)" )

	// Y-axis
  svg.append("g")
      .attr("class", "y axis")
      .call(yAxis)
    .selectAll("text")	
        .style("text-anchor", "end")
        .attr("dx", "-1px")
        .attr("dy", "3px")

	// Y-label
    svg.append("text")
   ...