block by emeeks c531c16d64c17e3c41a3

Ch. 1, Fig. 27 - D3.js in Action

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This is the code for Chapter 1, Figure 27 from D3.js in Action showing simple data binding using a filtered array filler data to create elements with content based on the values of the datapoints.

index.html

<html>
<head>
  <title>D3 in Action Chapter 1 - Example 6</title>
  <meta charset="utf-8" />
<script src="//d3js.org/d3.v3.min.js" type="text/JavaScript"></script>
</head>
<style>
#vizcontainer {
  width: 200px;
  height: 100px;
  border: 1px gray solid;
}
</style>
<body>

<div id="vizcontainer">
</div>
</body>
  <footer>
    
<script>
var someNumbers = [17, 82, 9, 500, 40];
smallerNumbers = someNumbers.filter(function(el) {return el <= 40 ? this : null});

d3.select("body")
.selectAll("div")
.data(smallerNumbers)
.enter()
.append("div")
.html(function (d) {return d});

</script>
  </footer>

</html>