A simple D3.js bar chart with some of the configuration variables abstracted out for quick and easy changes. The bar chart will scale based on the length and values of the data.
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September 6, 2015 20:10
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D3.js Bar Chart with configuration variables
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Updatable Charts (1 of 4)</title> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script> | |
| <style> | |
| body { | |
| padding: 20px 0 0 10px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| var highTemperatures = [77, 71, 82, 87, 84, 78, 80, 84, 86, 72, 71, 68]; | |
| var height = 300; | |
| var width = 800; | |
| var barPadding = 1; | |
| var barSpacing = height / highTemperatures.length; | |
| var barHeight = barSpacing - barPadding; | |
| var maxValue = d3.max(highTemperatures); | |
| var widthScale = width / maxValue; | |
| d3.select('body').append('svg') | |
| .attr('height', height) | |
| .attr('width', width) | |
| .selectAll('rect') | |
| .data(highTemperatures) | |
| .enter() | |
| .append('rect') | |
| .attr('y', function (d, i) { return i * barSpacing }) | |
| .attr('height', barHeight) | |
| .attr('x', 0) | |
| .attr('width', function (d) { return d*widthScale}) | |
| .style('fill', 'steelblue'); | |
| </script> | |
| </body> | |
| </html> |
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