Adding Key Axis

<!DOCTYPE html>
<meta charset="utf-8">
<style>
rect{
  fill:steelblue;
}
</style>
<body>
<svg width="960" height="600">
	<g id="left" transform="translate(115, 25)"></g>
	<g id="right" transform="translate(595, 25)"></g>
	<g id="top" transform="translate(115, 325)"></g>
	<g id="bottom" transform="translate(595, 325)"></g>
</svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="https://vizjs.org/viz.v1.1.7.min.js"></script>
<script>
var data=[['A', 1],['A', 3],['B', 3],['C', -5],['D', 8]];
var bar = viz.bar().data(data).width(250).height(250);
	
//dock left
d3.select("#left").call(bar.dock('l'));
d3.select("#left")
	.append("g").attr("transform", "translate("+bar.valueScale()(0)+",0)")
    .call(d3.axisLeft().scale(bar.keyScale()).tickValues(""));
//dock right
d3.select("#right").call(bar.dock('r'));
d3.select("#right")
	.append("g").attr("transform", "translate("+bar.valueScale()(0)+",0)")
    .call(d3.axisRight().scale(bar.keyScale()).tickValues(""));
//dock top
d3.select("#top").call(bar.dock('t'));
d3.select("#top")
	.append("g").attr("transform", "translate(0,"+bar.valueScale()(0)+")")
    .call(d3.axisTop().scale(bar.keyScale()).tickValues(""));
//dock bottom
d3.select("#bottom").call(bar.dock('b'));
d3.select("#bottom")
	.append("g").attr("transform", "translate(0,"+bar.valueScale()(0)+")")
    .call(d3.axisBottom().scale(bar.keyScale()).tickValues(""));
// adjust the bl.ocks frame dimension.
d3.select(self.frameElement).style("height","600px").style("width","960px");      
</script>

Modified http://vizjs.org/viz.v1.1.7.min.js to a secure url

https://d3js.org/d3.v4.min.js

https://vizjs.org/viz.v1.1.7.min.js