D3 Examples - d3.js major minor tick style 3

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<!DOCTYPE html>
<meta charset="utf-8">
<style>
 
.axis text {
  font: 10px sans-serif;
}
 
.axis path {
  fill: none;
  stroke: #000;
  stroke-width: 2.5px;
  shape-rendering: crispEdges;
}
 .axis line {
  fill: none;
  stroke: green;
  stroke-width: 1.6px;
}
​
.axis .minor {
  stroke: red;
  stroke-width: 0.4px;
}
  
</style>
<body>
<script src="https://d3js.org/d3.v2.min.js?2.10.0"></script>
<script>
 
var margin = {top: 100, right: 100, bottom: 100, left: 100},
    width = 1000 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;
 
var x = d3.scale.linear()
    .domain([0,6000])
    .range([0, width]);
​
var xAxis = d3.svg.axis()
    .scale(x)
    .tickValues(x.domain().filter(function(i) { return (i % 2 ==0); }))
    .orient("bottom");
​
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 + ")");
 
  svg.append("g")
    .attr("class", "x axis")
    .call(xAxis);
​
 
</script>
    