円で遊ぶ２ 円にマウスを当てると、色が変わる。
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| <!DOCTYPE html> | |
| <html lang="ja"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Circle test 2</title> | |
| </head> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"> | |
| // <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js" charset="utf-8"> | |
| </script> | |
| <script> | |
| var dataset = [11,25,45,30,33]; | |
| var w = 500; | |
| var h = 200; | |
| var svg = d3.select("body").append("svg").attr({width:w, height:h}); | |
| svg.selectAll("circle") | |
| .data(dataset) | |
| .enter() | |
| .append("circle") | |
| .on("mouseover", function(d) { | |
| d3.select(this).attr("fill","orange"); | |
| }) | |
| .on("mouseout", function(d) { | |
| d3.select(this).attr("fill","red"); | |
| }) | |
| .on("click", function(d) { | |
| var rs = d3.select(this).attr("r"); | |
| alert(rs); | |
| }) | |
| .attr({ | |
| cx: function(d, i) { return 50 + (i * 100);}, | |
| cy: h/2, | |
| r: function(d) { return d; }, | |
| fill: "red" | |
| }); | |
| </script> | |
| </body> | |
| </html> | |
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