d3/examples/hello-world/hello-transition-undefined....

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<!DOCTYPE html>
<html>
<head>
<title>Hello, transition undefined!</title>
<script type="text/javascript" src="../../d3.js"></script>
<style type="text/css">
body {
font: 14px Helvetica Neue;
text-rendering: optimizeLegibility;
margin: 1em;
}
div {
font-size: 42px;
margin-top: .5em;
text-align: right;
}
</style>
</head>
<body>
Your lucky number is:<br>
<div>hello</div>
<script type="text/javascript">
transform();
function transform() {
d3.select("div")
.style("width", "0%")
.transition()
.ease("bounce")
.duration(2000)
.style("width", "100%")
.style("background-color", function() { return d3.hsl(180, Math.random(), .5); });
}
window.addEventListener("keypress", transform, false);
</script>
</body>
</html>