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Testing bl.ocks.
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| [ | |
| 5, 10, 13, 19, 21, | |
| 24, 22, 18, 15, 13, | |
| 11, 12, 15, 20, 18, | |
| 17, 16, 18, 23, 25 | |
| ] |
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Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>D3 Page Template</title> | |
| <script type="text/javascript" src="../d3/d3.v3.js"></script> | |
| <style type="text/css"> | |
| div.bar { | |
| display: inline-block; | |
| width: 20px; | |
| height: 75px; | |
| background-color: teal; | |
| margin-right: 2px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <p>Click this text to change the data.</p> | |
| <script type="text/javascript"> | |
| var dataset = [ | |
| 5, 10, 13, 19, 21, | |
| 24, 22, 18, 15, 13, | |
| 11, 12, 15, 20, 18, | |
| 17, 16, 18, 23, 25]; | |
| var w = 600, | |
| h = 250, | |
| maxValue = 100; | |
| var xScale = d3.scale.ordinal() | |
| .domain(d3.range(dataset.length)) | |
| .rangeRoundBands([0, w], 0.05); | |
| var yScale = d3.scale.linear() | |
| .domain([0, d3.max(dataset)]) | |
| .range([0, h]); | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr({ | |
| "width": w, | |
| "height": h | |
| }); | |
| svg.selectAll("rect") | |
| .data(dataset) | |
| .enter() | |
| .append("rect") | |
| .attr({ | |
| "x": function(d, i) {return xScale(i);}, | |
| "y": function(d) { return h - yScale(d); }, | |
| "width": xScale.rangeBand(), | |
| "height": function(d) { return yScale(d); }, | |
| "fill": function(d) { | |
| return "rgb(0, 0, " + (d * 10) + ")"; | |
| } | |
| }); | |
| svg.selectAll("text") | |
| .data(dataset) | |
| .enter() | |
| .append("text") | |
| .text(function(d) { return d; }) | |
| .attr({ | |
| "x": function(d, i) { | |
| return xScale(i) + xScale.rangeBand() / 2; | |
| }, | |
| "y": function(d) { return h - yScale(d) + 14; }, | |
| "font-family": "sans-serif", | |
| "font-size": "11px", | |
| "fill": "white", | |
| "text-anchor": "middle" | |
| }); | |
| d3.select("p") | |
| .on("click", function() { | |
| var numValues = dataset.length; | |
| dataset = []; | |
| for (var i = 0; i < numValues; i++) { | |
| var newNumber = Math.floor(Math.random() * maxValue); | |
| dataset.push(newNumber); | |
| } | |
| yScale.domain([0, d3.max(dataset)]); | |
| svg.selectAll("rect") | |
| .data(dataset) | |
| .transition() | |
| .attr({ | |
| "y": function(d) { return h - yScale(d); }, | |
| "height": function(d) { return yScale(d); }, | |
| "fill": function(d) { | |
| return "rgb(0, 0, " + (d * 10) + ")"; | |
| } | |
| }); | |
| svg.selectAll("text") | |
| .data(dataset) | |
| .transition() | |
| .text(function(d) { return d; }) | |
| .attr({ | |
| "x": function(d, i) { | |
| return xScale(i) + xScale.rangeBand() / 2; }, | |
| "y": function(d) { return h - yScale(d) + 14; } | |
| }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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