index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<link rel="stylesheet" type="text/css" href="css/style.css" media="screen" type="text/css"/>
</head>
<body>
<div id="container"></div>
<script src="http://d3js.org/d3.v3.js" type="text/javascript"></script>
<script src="js/index.js" type="text/javascript"></script>
</body>
</html>
index.js
var data = [1,4,7,2,9,13,5,8,2,9],
bar_width = 50,
bar_padding = 10,
svg_width = (bar_width + bar_padding)*data.length,
svg_height=500;
var scale = d3.scale.linear()
.domain([0,d3.max(data)])
.range([svg_height,0]);
var svg = d3.select("#container")
.append("svg")
.attr("width",svg_width)
.attr("height",svg_height)
var bar = svg.selectAll("g")
.data(data)
.enter()
.append("g")
.attr("transform",function(d,i){return "translate("+ i*(bar_width+bar_padding) +",0)";})
bar.append("rect")
.attr({
"y":function(d){return scale(d);},
"width":bar_width,
"height":function(d){return svg_height - scale(d);}
})
.style("fill","steelblue")
bar.append("text")
.text(function(d){return d;})
.attr({
"y":function(d){return scale(d);},
"x":bar_width/2,
"dy":15,
"text-anchor":"middle"
})
