var margin = {top: 10, right: 10, bottom: 30, left: 30},

    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 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")

    .attr("transform", "translate(0," + height + ")")

    .call(xAxis);

​

svg.append("g")

    .attr("class", "y axis")

    .call(yAxis);

​