Edit in JSFiddle 

var data = [4, 8, 15, 16, 23, 42];

d3.select(".chart")
  .selectAll("div")
  .data(data)
  .enter()
  .append("div")
  .text(function(d) {
    return d;
  })
  .transition()
  .duration(2000)
  .style("width", function(d) {
    return (d * 10) + "px";
  })

<body>
  <div class="chart"></div>
</body>

.chart div {
  font: 10px sans-serif;
  background-color: steelblue;
  text-align: right;
  padding: 3px;
  margin: 1px;
  color: white;
}

.chart div {
  width: 100px;
}

External resources loaded into this fiddle: