schmidsi/index.html

## index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>
body {
  margin: 15px;
  background-color: #F1F3F3
}
.bar.skill {
	fill: #6F257F;
}
.bar.goal {
	fill: #e2d3e5;
}
.axis path,
.axis line {
  fill: none;
  stroke: #D4D8DA;
  stroke-width: 1px;
  shape-rendering: crispEdges;
}
.x path {
	display: none;
}
</style>
<svg width="960" height="500"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>

const data = [{
    library: 'react',
    skills: 4,
    goal: 5
}, {
    library: 'redux',
    skills: 4,
    goal: 5
}, {
    library: 'd3',
    skills: 2,
    goal: 4
}];

var svg = d3.select("svg"),
    margin = {top: 20, right: 20, bottom: 30, left: 40},
    width = +svg.attr("width") - margin.left - margin.right,
    height = +svg.attr("height") - margin.top - margin.bottom;

var x = d3.scaleLinear()
    .range([0, width])
    .domain([0, 6]);
var y = d3.scaleBand()
    .range([height, 0])
    .domain(data.map(datum => datum.library))
    .padding(0.1);

var g = svg.append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

g.append("g")
    .attr("class", "x axis")
    .attr("transform", "translate(0," + height + ")")
    .call(d3.axisBottom(x).ticks(5).tickFormat(d => d).tickSizeInner([-height]));

g.append("g")
    .attr("class", "y axis")
    .call(d3.axisLeft(y));

g.selectAll(".bar.goal")
    .data(data)
    .enter().append("rect")
    .attr("class", "bar goal")
    .attr("x", d => x(d.skills))
    .attr("height", y.bandwidth())
    .attr("y", function(d) { return y(d.library); })
    .attr("width", d => x(d.goal - d.skills))

g.selectAll(".bar.skill")
    .data(data)
    .enter().append("rect")
    .attr("class", "bar skill")
    .attr("x", 0)
    .attr("height", y.bandwidth())
    .attr("y", function(d) { return y(d.library); })
    .attr("width", function(d) { return x(d.skills); })

</script>
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>
	body {
	margin: 15px;
	background-color: #F1F3F3
	}
	.bar.skill {
	fill: #6F257F;
	}
	.bar.goal {
	fill: #e2d3e5;
	}
	.axis path,
	.axis line {
	fill: none;
	stroke: #D4D8DA;
	stroke-width: 1px;
	shape-rendering: crispEdges;
	}
	.x path {
	display: none;
	}
	</style>
	<svg width="960" height="500"></svg>
	<script src="https://d3js.org/d3.v4.min.js"></script>
	<script>

	const data = [{
	library: 'react',
	skills: 4,
	goal: 5
	}, {
	library: 'redux',
	skills: 4,
	goal: 5
	}, {
	library: 'd3',
	skills: 2,
	goal: 4
	}];

	var svg = d3.select("svg"),
	margin = {top: 20, right: 20, bottom: 30, left: 40},
	width = +svg.attr("width") - margin.left - margin.right,
	height = +svg.attr("height") - margin.top - margin.bottom;

	var x = d3.scaleLinear()
	.range([0, width])
	.domain([0, 6]);
	var y = d3.scaleBand()
	.range([height, 0])
	.domain(data.map(datum => datum.library))
	.padding(0.1);

	var g = svg.append("g")
	.attr("transform", "translate(" + margin.left + "," + margin.top + ")");

	g.append("g")
	.attr("class", "x axis")
	.attr("transform", "translate(0," + height + ")")
	.call(d3.axisBottom(x).ticks(5).tickFormat(d => d).tickSizeInner([-height]));

	g.append("g")
	.attr("class", "y axis")
	.call(d3.axisLeft(y));

	g.selectAll(".bar.goal")
	.data(data)
	.enter().append("rect")
	.attr("class", "bar goal")
	.attr("x", d => x(d.skills))
	.attr("height", y.bandwidth())
	.attr("y", function(d) { return y(d.library); })
	.attr("width", d => x(d.goal - d.skills))

	g.selectAll(".bar.skill")
	.data(data)
	.enter().append("rect")
	.attr("class", "bar skill")
	.attr("x", 0)
	.attr("height", y.bandwidth())
	.attr("y", function(d) { return y(d.library); })
	.attr("width", function(d) { return x(d.skills); })

	</script>