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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| font: 10px sans-serif; | |
| } | |
| </style> | |
| <body> | |
| <div id="bar-demo"> | |
| </div> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var data = [ | |
| language:"C#", words: 20}, | |
| language:"C++", words: 56}, | |
| language:"C", words: 28}, | |
| language:"Java", words: 20}, | |
| language:"JavaScript", words: 46}, | |
| language:"Perl", words: 30}, | |
| language:"PHP", words: 4}, | |
| language:"Python", words: 10}, | |
| language:"Ruby", words: 53} | |
| ]; | |
| var barWidth = 400; | |
| var width = (barWidth + 10) * data.length; | |
| var height = 200; | |
| var x = d3.scale.linear().domain([0, data.length]).range([0, width]); | |
| var y = d3.scale.linear().domain([0, d3.max(data, function(datum) { return datum.books; })]). | |
| rangeRound([0, height]); | |
| // add the canvas to the DOM | |
| var barDemo = d3.select("#bar-demo"). | |
| append("svg:svg"). | |
| attr("width", width). | |
| attr("height", height); | |
| barDemo.selectAll("rect"). | |
| data(data). | |
| enter(). | |
| append("svg:rect"). | |
| attr("x", function(datum, index) { return x(index); }). | |
| attr("y", function(datum) { return height - y(datum.words); }). | |
| attr("height", function(datum) { return y(datum.words); }). | |
| attr("width", barWidth). | |
| attr("fill", "#2d578b"); | |
| </script> |
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