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harasaki/README.md

Last active October 16, 2015 08:26
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d3-02
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index.html
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
<style type="text/css">
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
svg { width: 100%; height: 100%; }
div.bar {
display:inline-block;
width: 20px;
height: 75px;
background-color: teal;
margin-right:2px;
}
div.bar2 {
display:inline-block;
width: 20px;
height: 75px;
background-color: yellow;
margin-right:2px;
}
</style>
</head>
<body>
<script type="text/javascript">
var dataset = [];
for (var i = 0; i < 25; i++) {
var newNumber = Math.floor(Math.random()*100);
dataset.push(newNumber);
}
d3.select("body").selectAll("div")
.data(dataset)
.enter()
.append("div")
.attr("class","bar")
.style("height",function(d){
var barHeight = d *5;
return barHeight + "px";})
.style("background-color", function(d){
if(d<60){
return"red";
}});
var dataset2= [25,7,5,70,34,20,3,12,34,56];
d3.select("body").selectAll("div.bar2")
.data(dataset2)
.enter()
.append("div")
.attr("class","bar2")
.style("height",function(d){
var barHeight = d *5;
return barHeight + "px";
});
</script>
</body>
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