Responsive bar chart d3

<!DOCTYPE html>
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no, width=device-width">

.g-hed {
  	text-align: left;
  	text-transform: uppercase;
  	font-weight: bold;
  	font-size:22px; 
  	margin: 3px 0;
  }

.g-source-bold {
    text-align: left;
    font-size:10px;
    font-weight: bold; 
  }

.g-source {
    margin: 10px 0;
  }

.g-source-bold {
    text-align: left;
    font-size:10px; 
  }

.g-intro {
    font-size: 16px;
    margin: 0px 0px 10px 0px;
  }

.g-num {
    fill:#2f5491;
  }

.g-labels {
    font-family: 'Proxima-Nova', sans-serif;
    fill: white;
    font-weight: bold;
    font-size: 13px;
  }

.axis line {
    fill: none;
    stroke: #ccc;
    stroke-dasharray: 2px 3px;
    shape-rendering: crispEdges;
    stroke-width: 1px;
  }

.axis text {
    font-family: 'Proxima-Nova', sans-serif;
    font-size: 13px;
    pointer-events: none;
    fill: #7e7e7e;
  }

.domain {
		display: none;
  }

.y.axis text {
    text-anchor: end !important;
    font-size:14px;
    fill: #000000;
  }

.y.axis line {
    display: none;
  }

.g-baseline line {
    stroke:#000;
    stroke-width: 1px;
    stroke-dasharray:none;
  }

</style>

var widther = window.outerWidth;

var width = widther - margin.left - margin.right,
    height = 250 - margin.top - margin.bottom;

//Appends the svg to the chart-container div
var svg = d3.select(".g-chart").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 + ")");

//Creates the xScale 
var xScale = d3.scale.linear()
	.range([0,width]);

//Creates the yScale
var y0 = d3.scale.ordinal()
	.rangeBands([height, 0], 0.2)
	.domain(["Cat5", "Cat4", "Cat3", "Cat2", "Cat1"]);

//Defines the y axis styles
var yAxis = d3.svg.axis()
	.scale(y0)
	.orient("left");

//Defines the y axis styles
var xAxis = d3.svg.axis()
	.scale(xScale)
	.orient("bottom")
  .tickFormat(function(d) {return d + "%"; })
	.tickSize(height)
  .ticks(numTicks(width));

//Loads the data
d3.csv("template.csv", ready);

function ready(err, data) {

if (err) throw "error loading data";
  console.log("hello");

//FORMAT data
	data.forEach(function(d) {
		d.num = +d.num;
	});

console.log(data);

//Appends chart headline
	d3.select(".g-hed").text("Chart headline goes here");

//Appends chart intro text
  d3.select(".g-intro").text("Chart intro text goes here. Write a short sentence describing the chart here.");

//Sets the max for the xScale
	var maxX = d3.max(data, function(d) { return d.num; });

//Defines the xScale max
	xScale.domain([0, maxX ]);

//Appends the y axis
	var yAxisGroup = svg.append("g")
		.attr("class", "y axis")
		.call(yAxis);

//Appends the x axis		
	var xAxisGroup = svg.append("g")
		.attr("class", "x axis")
		.call(xAxis);

//Binds the data to the bars    	
	var categoryGroup = svg.selectAll(".g-category-group")
		.data(data)
		.enter()
		.append("g")
		.attr("class", "g-category-group")
		.attr("transform", function(d) {
			return "translate(0," + y0(d.category) + ")";
		});

//Appends first bar		
	var bars = categoryGroup.append("rect")
		.attr("width", function(d) { return xScale(d.num); })
		.attr("height", y0.rangeBand()/1.5 )
		.attr("class", "g-num")
		.attr("transform", "translate(0,4)");
  
  //Binds data to labels
  var labelGroup = svg.selectAll("g-num")
    .data(data)
    .enter()
    .append("g")
    .attr("class", "g-label-group")
    .attr("transform", function(d) {
      return "translate(0," + y0(d.category) + ")";
    });

//Appends labels   
  var barLabels = labelGroup.append("text") 
    .text(function(d) {return  d.num;})
    .attr("x", function(d) { return xScale(d.num) - 20; })
    .attr("y", y0.rangeBand()/1.7 )
    .attr("class", "g-labels");

//Appends chart source
	d3.select(".g-source-bold")
    .text("SOURCE: ")
    .attr("class", "g-source-bold");

d3.select(".g-source-reg")
    .text("Chart source info goes here")
    .attr("class", "g-source-reg");

//RESPONSIVENESS
  d3.select(window).on("resize", resized);

function resized() {

//new margin
    var newMargin = {top: 10, right: 80, bottom: 20, left: 50};

//Get the width of the window
    var w = d3.select(".g-chart").node().clientWidth;
    console.log("resized", w);

//Change the width of the svg
    d3.select("svg")
      .attr("width", w);

//Change the xScale
    xScale
      .range([0, w - newMargin.right]);

//Update the bars
    bars
      .attr("width", function(d) { return xScale(d.num); });

//Updates bar labels
    barLabels
      .attr("x", function(d) { return xScale(d.num) - 20; })
      .attr("y", y0.rangeBand()/1.7 )

//Updates xAxis
    xAxisGroup
      .call(xAxis);

//Updates ticks
    xAxis
      .scale(xScale)
      .ticks(numTicks(w));

};

}

//Determines number of ticks base on width
function numTicks(widther) {
  if (widther <= 400) {
    return 4
    console.log("return 4")
  }
  else {
    return 10
    console.log("return 5")
  }
}

</script>

Modified http://labratrevenge.com/d3-tip/javascripts/d3.tip.v0.6.3.js to a secure url

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js

https://labratrevenge.com/d3-tip/javascripts/d3.tip.v0.6.3.js