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| <html> | |
| <head> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| </head> | |
| <body> | |
| <svg width="960" height="500"></svg> | |
| <script> | |
| var sampleData = [1, 2, 3, 4, 5]; | |
| var moreData = [1, 2, 3, 4, 5, 10, 6, 2, 9, 20, 54, 30]; | |
| drawBars(sampleData); | |
| // try drawBars(moreData); | |
| function drawBars(data){ | |
| var eachDataPoint = d3.select("svg") | |
| .selectAll("rect") | |
| .data(data); | |
| eachDataPoint.enter() | |
| .append("rect"); | |
| eachDataPoint | |
| .attr("x", function(dataItem, index){ | |
| return 20 * index; | |
| }) | |
| .attr("y", function(){ | |
| return 0; | |
| }) | |
| .attr("width", function(dataItem, index){ | |
| return 20; | |
| }) | |
| .attr("height", function(dataItem, index){ | |
| return dataItem * 100; | |
| }); | |
| eachDataPoint.exit() | |
| .remove(); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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