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presemi-02
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<!DOCTYPE html> | |
<head> | |
<meta charset="utf-8"> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script> | |
<style> | |
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; | |
} | |
</style> | |
</head> | |
<body> | |
<script> | |
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"; | |
} else { | |
return "blue"; | |
} | |
}); | |
</script> | |
</body> | |
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