{"id":8632,"date":"2018-11-30T03:03:42","date_gmt":"2018-11-29T18:03:42","guid":{"rendered":"http:\/\/r-dimension.xsrv.jp\/classes_j\/?p=8632"},"modified":"2022-11-08T09:59:03","modified_gmt":"2022-11-08T00:59:03","slug":"update_transition2","status":"publish","type":"post","link":"https:\/\/r-dimension.xsrv.jp\/classes_j\/update_transition2\/","title":{"rendered":"\u30c7\u30fc\u30bf\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3068\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f32"},"content":{"rendered":"\n

start, end<\/h2>\n\n\n\n

\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u306e\u958b\u59cb\u6642\u3068\u7d42\u4e86\u6642\u306b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002on(“start”…<\/strong>\u3092\u8ffd\u52a0\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u6b21\u306e\u30b5\u30f3\u30d7\u30eb\u306f\u3001\u958b\u59cb\u6642\u306b\u5186\u304c\u8d64\u306b\u5909\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u300cd3.select(this)<\/strong>\u300d\u306f\u3001\u9078\u629e\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6307\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\/\/\u5168\u3066\u306e\u5186\u3092\u66f4\u65b0\nsvg.selectAll(\"circle\")\n   .data(dataset)\n   .transition()\n   .duration(1000)\n   .on(\"start\", function() {\n      d3.select(this)\n        .attr(\"fill\", \"red\");\n   })\n   .attr(\"cx\", function(d) {\n         return xScale(d[0]);\n   })\n   .attr(\"cy\", function(d) {\n         return yScale(d[1]);\n   })\n   .attr(\"r\", function(d){\n      return d[1]\/10;   \/\/\u534a\u5f84;\n   });<\/code><\/pre>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u540c\u3058\u3088\u3046\u306b\u3001on(“end”\u2026\u3082\u8ffd\u52a0\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\/\/\u5168\u3066\u306e\u5186\u3092\u66f4\u65b0\nsvg.selectAll(\"circle\")\n   .data(dataset)\n   .transition()\n   .duration(1000)\n   .on(\"start\", function() {\n      d3.select(this)\n        .attr(\"fill\", \"red\");\n   })\n   .attr(\"cx\", function(d) {\n         return xScale(d[0]);\n   })\n   .attr(\"cy\", function(d) {\n         return yScale(d[1]);\n   })\n   .attr(\"r\", function(d){\n      return d[1]\/10;   \/\/\u534a\u5f84;\n   })\n   .on(\"end\", function() {\n      d3.select(this)\n        .attr(\"fill\", \"black\");\n   });<\/code><\/pre>\n\n\n\n

\u6b21\u306b\u3001\u3053\u306estart\u3068end\u306e\u969b\u306btransition\u3092\u4f7f\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3061\u306a\u307f\u306b\u3001start\u306e\u969b\u306b\u306f\u5186\u304c\u79fb\u52d5\u3059\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u59cb\u307e\u3063\u3066\u3044\u308b\u306e\u3067\u3001start\u306e\u4e2d\u3067transition\u3092\u8a2d\u5b9a\u3057\u3066\u3082\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306f\u6b63\u3057\u304f\u518d\u751f\u3055\u308c\u307e\u305b\u3093\u3002\u3067\u3059\u306e\u3067\u3001\u5b9f\u8cea\u7684\u306bstart\u306e\u4e2d\u3067\u306ftransion\u306f\u4f7f\u3048\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
\/\/\u5168\u3066\u306e\u5186\u3092\u66f4\u65b0\nsvg.selectAll(\"circle\")\n   .data(dataset)\n   .transition()\n   .duration(1000)\n   .on(\"start\", function() {\n      d3.select(this)\n         .attr(\"fill\", \"red\")\n         .attr(\"r\", function(d){\n            return d[1]\/10 + 5;\n         });\n   })\n   .attr(\"cx\", function(d) {\n         return xScale(d[0]);\n   })\n   .attr(\"cy\", function(d) {\n         return yScale(d[1]);\n   })\n   .on(\"end\", function() {\n      d3.select(this)\n         .transition()\n         .duration(1000)\n         .attr(\"fill\", \"black\")\n         .attr(\"r\", function(d){\n            return d[1]\/10;\n         });\n   });<\/code><\/pre>\n\n\n\n

23_each_combo_transition_chained<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
23_each_combo_transition_chained_v7<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
\u30c7\u30fc\u30bf\u306e\u8ffd\u52a0<\/h2>\n\n\n\n
\u4eca\u307e\u3067\u306fdataset\u306e\u8981\u7d20\u6570\u306f\u66f4\u65b0\u3055\u308c\u3066\u3082\u540c\u3058\u307e\u307e\u3067\u3057\u305f\u3002\u6b21\u306e\u5b9f\u7fd2\u306f\u5024\u3092\u8ffd\u52a0\u3057\u305f\u308a\u524a\u9664\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5909\u5316\u3059\u308b\u30b0\u30e9\u30d5\u306e\u4f5c\u6210\u3067\u3059\u3002\u307e\u305a\u306f\u5024\u3092\u8ffd\u52a0\u3057\u3066\u307f\u307e\u3059\u3002\u524d\u306e\u68d2\u30b0\u30e9\u30d5\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
bar_chart<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u306b\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u307e\u305a\u65b0\u3057\u3044\u5024\u3092dataset\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\/\/\u6700\u5927\u5024\u3092\u8a2d\u5b9a\nvar maxValue = 23;\nvar newNum = Math.floor(Math.random() * maxValue); \/\/\u65b0\u3057\u3044\u5024\u3092\u8a2d\u5b9a(0-22)\ndataset.push(newNum);                        \/\/\u914d\u5217\u306b\u8ffd\u52a0<\/code><\/pre>\n\n\n\n

\u65b0\u3057\u304fdataset\u306e\u8981\u7d20\u6570\u304c\u4e00\u3064\u5897\u3048\u305f\u306e\u3067\u3001xScale\u306edomain\u3001yScale\u306edomain\u3092\u8a2d\u5b9a\u3057\u76f4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\/\/xScale\u306edomain\u3092\u8a08\u7b97\u3057\u76f4\u3059.\u66f4\u65b0\u524d\u3088\u308a\u3082\u8981\u7d20\u6570\u304c1\u5897\u3048\u3066\u3044\u308b\u3002\nxScale.domain(d3.range(dataset.length));\n\/\/yScale\u306edomain\u3092\u8a08\u7b97\u3057\u76f4\u3059\nyScale.domain([0, d3.max(dataset)]);<\/code><\/pre>\n\n\n\n

\u6b21\u306b\u3001\u65b0\u3057\u3044\u30d0\u30fc\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u30dd\u30a4\u30f3\u30c8\u306f\u3001bars.enter()\u306b\u3088\u3063\u3066\u3001\u65b0\u3057\u3044\u30d0\u30fc\u306e\u307f\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<\/p>\n\n\n\n
var bars = svg.selectAll(\"rect\")       \/\/\u5168\u3066\u306ebar\u3092\u9078\u629e\u3057\u3001\u5909\u6570bar\u306b\u5165\u308c\u308b\n   .data(dataset);      \/\/\u66f4\u65b0\u3055\u308c\u308b\n \n\/\/\u65b0\u3057\u304f\u5897\u3048\u305f\u8981\u7d20\u3060\u3051\u306benter()\u304c\u9069\u7528\u3055\u308c\u3001\u65b0\u3057\u3044bar\u304c\u4f5c\u3089\u308c\u308b\nbars.enter()\n   .append(\"rect\")      \/\/\u65b0\u3057\u3044rect\n   .attr(\"x\", w)        \/\/\u65b0\u3057\u3044bar\u306e\u4f4d\u7f6e\u306f\u6700\u521d\u306f\u753b\u9762\u306e\u5916\u5074\n   .attr(\"y\", function(d) {    \/\/yScale\u306b\u57fa\u3065\u3044\u3066\u65b0\u3057\u3044bar\u306ey\u5ea7\u6a19\u3092\u6c7a\u5b9a\n      return h - yScale(d);\n   })\n   .attr(\"width\", xScale.bandwidth())     \/\/\u65b0\u3057\u3044bar\u306e\u5e45\n   .attr(\"height\", function(d) {       \/\/\u65b0\u3057\u3044bar\u306e\u9ad8\u3055\n      return yScale(d);\n   })\n   .attr(\"fill\", function(d) {            \/\/\u65b0\u3057\u3044bar\u306e\u8272\n      return \"rgb(0, 0, \" + Math.round(d * 10) + \")\";\n   })<\/code><\/pre>\n\n\n\n

\u305d\u3057\u3066\u3001\u65e2\u5b58\u306e\u30d0\u30fc\u3068\u4e00\u7dd2\u306b\u3057\u3066\u3001\u66f4\u65b0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
.merge(bars)                     \/\/\u65e2\u5b58\u306ebar\u3068\u65b0\u3057\u3044bar\u3092\u7d50\u5408\n.transition()                    \/\/\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\n.duration(500)\n.attr(\"x\", function(d, i) {      \/\/\u65b0\u3057\u3044x\u5ea7\u6a19\u3092\u8a2d\u5b9a\n   return xScale(i);\n})\n.attr(\"y\", function(d) {         \/\/\u65b0\u3057\u3044y\u5ea7\u6a19\u3092\u8a2d\u5b9a\n   return h - yScale(d);\n})\n.attr(\"width\", xScale.bandwidth())     \/\/\u65b0\u3057\u3044bar\u306e\u5e45\u3092\u8a2d\u5b9a\n.attr(\"height\", function(d) {       \/\/Set new height value, based on the updated yScale\u65b0\u3057\u3044bar\u306e\u9ad8\u3055\u3092\u8a2d\u5b9a\n   return yScale(d);\n});<\/code><\/pre>\n\n\n\n

\u6700\u5f8c\u306b\u3001\u30e9\u30d9\u30eb\u3082\u79fb\u52d5\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n
\/\/\u65e2\u5b58\u306e\u30e9\u30d9\u30eb\u3092\u66f4\u65b0\nsvg.selectAll(\"text\")\n   .data(dataset)\n   .transition()\n   .duration(500)\n   .text(function(d) {\n         return d;\n   })\n   .attr(\"x\", function(d, i) {\n      return xScale(i) + xScale.bandwidth() \/ 2;\n   })\n   .attr(\"y\", function(d) {\n      return h - yScale(d) + 14;\n   });<\/code><\/pre>\n\n\n\n
<\/p>\n\n\n\n

25_adding_values<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
25_adding_values_v7<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
\u30e9\u30d9\u30eb\u3082\u65b0\u3057\u304f\u751f\u6210\u3055\u308c\u308b\u3088\u3046\u306b\u66f8\u304d\u76f4\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u30c7\u30fc\u30bf\u306e\u524a\u9664<\/h2>\n\n\n\n
\u6b21\u306f\u30c7\u30fc\u30bf\u306e\u524a\u9664\u3067\u3059\u3002\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u306e\u4e2d\u3092\u66f8\u304d\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
\/\/dataset\u304b\u3089\u4e00\u3064\u524a\u9664\ndataset.shift();<\/code><\/pre>\n\n\n\n

enter()\u306f\u5fc5\u8981\u306a\u304f\u306a\u308b\u306e\u3067\u3001\u5168\u3066\u306e\u65e2\u5b58\u306e\u30d0\u30fc\u3092\u9078\u3093\u3067\u304b\u3089\u79fb\u52d5\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n
var bars = svg.selectAll(\"rect\")       \/\/\u5168\u3066\u306ebar\u3092\u9078\u629e\u3057\u3001\u5909\u6570bar\u306b\u5165\u308c\u308b\n   .data(dataset);      \/\/\u66f4\u65b0\u3055\u308c\u308b\n \n   bars.transition()                    \/\/\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\n   .duration(500)\n   .attr(\"x\", function(d, i) {      \/\/\u65b0\u3057\u3044x\u5ea7\u6a19\u3092\u8a2d\u5b9a\n      return xScale(i);\n   })\n   .attr(\"y\", function(d) {         \/\/\u65b0\u3057\u3044y\u5ea7\u6a19\u3092\u8a2d\u5b9a\n      return h - yScale(d);\n   })\n   .attr(\"width\", xScale.bandwidth())     \/\/\u65b0\u3057\u3044bar\u306e\u5e45\u3092\u8a2d\u5b9a\n   .attr(\"height\", function(d) {       \/\/Set new height value, based on the updated yScale\u65b0\u3057\u3044bar\u306e\u9ad8\u3055\u3092\u8a2d\u5b9a\n      return yScale(d);\n   });<\/code><\/pre>\n\n\n\n

\u305d\u3057\u3066\u3001exit()\u3067\u6d88\u53bb\u3059\u308b\u30d0\u30fc\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\/\/Exit\u30bb\u30ec\u30af\u30b7\u30e7\u30f3\nbars.exit()          \/\/\u4f59\u3063\u305f\u30d0\u30fc\u3092\u9078\u629e\n   .transition()\n   .duration(500)\n   .attr(\"x\", w)     \/\/\u524a\u9664\u3059\u308b\u30d0\u30fc\u3092\u53f3\u306e\u753b\u9762\u306e\u5916\u307e\u3067\u79fb\u52d5\n   .remove();        \/\/\u524a\u9664<\/code><\/pre>\n\n\n\n
\"\"<\/figure>\n\n\n\n
26_removing_values<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
26_removing_values_v7<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
key\u3068value\u306e\u9023\u60f3\u914d\u5217<\/h2>\n\n\n\n
\u3055\u3089\u306b\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u306e\u64cd\u4f5c\u3092\u884c\u3046\u305f\u3081\u306b\u3001\u914d\u5217\u306e\u69cb\u9020\u3092\u5909\u3048\u3066\u307f\u307e\u3059\u3002key\u3068value\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u691c\u7d22\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u3088\u308a\u81ea\u7531\u5ea6\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u306e\u64cd\u4f5c\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305a\u306f\u3001\u524d\u8ff0\u306e\u30b3\u30fc\u30c9\u306e\u914d\u5217\u3092\u6539\u5909\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
var dataset = [ { key: 0, value: 9 },     \/\/\u9023\u60f3\u914d\u5217\u3092\u4f7f\u3046\n            { key: 1, value: 20 },     \/\/key\u3068value\u304c\u30bb\u30c3\u30c8\u306b\u306a\u3063\u3066\u3044\u308b\n            { key: 2, value: 7 },\n            { key: 3, value: 18 },\n            { key: 4, value: 20 },\n            { key: 5, value: 5 },\n            { key: 6, value: 12 },\n            { key: 7, value: 17 },\n            { key: 8, value: 3 },\n            { key: 9, value: 8 },\n            { key: 10, value: 23 },\n            { key: 11, value: 20 },\n            { key: 12, value: 10 },\n            { key: 13, value: 13 },\n            { key: 14, value: 7 },\n            { key: 15, value: 8 },\n            { key: 16, value: 23 },\n            { key: 17, value: 10 },\n            { key: 18, value: 4 },\n            { key: 19, value: 6 } ];<\/code><\/pre>\n\n\n\n

\u3053\u3053\u3067\u306f\u3001key\u306b\u6570\u5024\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u6587\u5b57\u5217\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u4eca\u307e\u3067\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306b\u306f\u300cd<\/strong>\u300d\u3092\u4f7f\u3063\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u3053\u306e\u3088\u3046\u306a\u9023\u60f3\u914d\u5217\u306e\u5024\u306b\u30a2\u30af\u30a2\u30bb\u30b9\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u300cd.value<\/strong>\u300d\u3068\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002
yScale\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
var yScale = d3.scaleLinear()\n            .domain([0, d3.max(dataset, function(d) { return d.value; })])\n            .rangeRound([0, h]);<\/code><\/pre>\n\n\n\n

\u3055\u3089\u306b\u3001\u30d0\u30fc\u3084\u30e9\u30d9\u30eb\u306e\u5c5e\u6027\u5185\u306efunction\u5185\u306ed\u3082\u3001d.value\u306b\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u4f8b\uff1a\n.attr(\"y\", function(d) {\n      return h - yScale(d.value);\n})\n.attr(\"width\", xScale.bandwidth())\n.attr(\"height\", function(d) {\n   return yScale(d.value);\n})\n.attr(\"fill\", function(d) {\n   \/\/d\u306e\u6700\u5927\u5024\u304c20\u306a\u306e\u3067\u3001\u9752\u306e\u6700\u5927\u5024\u304c240\u306b\u306a\u308b\n   return \"rgb(0, 0, \" + (d.value * 12) + \")\";\n});<\/code><\/pre>\n\n\n\n

\u307e\u305f\u3001SVG\u4f5c\u6210\u524d\u306b\u4ee5\u4e0b\u306e\u95a2\u6570\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\/\/key\u3092\u8a2d\u5b9a\nvar key = function(d) {\n   return d.key;\n};<\/code><\/pre>\n\n\n\n

4\u7b87\u6240\u306e.data(dataset)\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u304d\u63db\u3048\u307e\u3059\u3002<\/p>\n\n\n\n
.data(dataset, key)<\/code><\/pre>\n\n\n\n

\u3053\u308c\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3068\u540c\u3058\u610f\u5473\u306b\u306a\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u3053\u306e\u6642\u70b9\u3067\u30c7\u30fc\u30bf\u3068SVG\u306e\u30d0\u30fc\u304c\u30d0\u30a4\u30f3\u30c9\u3055\u308c\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n
.data(dataset, function(d) {\n   return d.key;\n};)<\/code><\/pre>\n\n\n\n

27_data_join_with_key<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
27_data_join_with_key_v7<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
\u307e\u305f\u3001\u8ffd\u52a0\u3068\u524a\u9664\u304c\u540c\u6642\u306b\u3067\u304d\u308b\u3088\u3046\u306b\u6539\u5909\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002p\u30bf\u30b0\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
<p id=\"add\">\u8db3\u3057\u307e\u3059<\/p>\n<p id=\"remove\">\u524a\u9664\u3057\u307e\u3059<\/p><\/code><\/pre>\n\n\n\n

\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u306f\u3001\u8907\u6570\u7528\u610f\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u306e\u3067\u3001d3.select(\u201cp\u201d)\u3067\u306f\u306a\u304f\u3001d3.selectAll(\u201cp\u201d)\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\/\/\u30af\u30ea\u30c3\u30af\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u65b0\u3057\u3044\u30c7\u30fc\u30bf\u306b\u66f4\u65b0\nd3.selectAll(\"p\")\n   .on(\"click\", function() {<\/code><\/pre>\n\n\n\n

\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u3067\u3001id=\u201dadd\u201d\u3092\u9078\u3093\u3060\u5834\u5408\u3068\u3001id=\u201dremove\u201d\u3092\u9078\u3093\u3060\u6642\u306e\u6761\u4ef6\u5206\u5c90\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\/\/\u3069\u3061\u3089\u306ep\u304c\u62bc\u3055\u308c\u305f\u304b\u5224\u5b9a\nvar paragraphID = d3.select(this).attr(\"id\");\n \n\/\/\u62bc\u3055\u308c\u305fid\u306b\u3088\u3063\u3066\u52d5\u4f5c\u3092\u632f\u308a\u5206\u3051\u308b\nif (paragraphID == \"add\") {\n   \/\/\u6700\u5927\u5024\u3092\u8a2d\u5b9a\n   var minValue = 2;\n   var maxValue = 23 - minValue;\n   var newNum = Math.floor(Math.random() * maxValue)+ minValue;\n   var lastKeyValue = dataset[dataset.length - 1].key;\n   dataset.push({\n      key: lastKeyValue + 1,\n      value: newNum\n   });\n} else {\n   \/\/dataset\u304b\u3089\u4e00\u3064\u524a\u9664\n   dataset.shift();\n}<\/code><\/pre>\n\n\n\n

28_adding_and_removing<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
28_adding_and_removing_v7<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
\u30e9\u30d9\u30eb\u3082\u30d0\u30fc\u3068\u540c\u3058\u3088\u3046\u306b\u3001\u8ffd\u52a0\u3068\u524a\u9664\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u66f8\u304d\u63db\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
start, end \u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u306e\u958b\u59cb\u6642\u3068\u7d42\u4e86\u6642\u306b\u30a2\u30cb\u30e1… Read more »<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35,27],"tags":[],"class_list":["post-8632","post","type-post","status-publish","format-standard","hentry","category-d3-js","category-27"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/posts\/8632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/comments?post=8632"}],"version-history":[{"count":33,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/posts\/8632\/revisions"}],"predecessor-version":[{"id":12831,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/posts\/8632\/revisions\/12831"}],"wp:attachment":[{"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/media?parent=8632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/categories?post=8632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/tags?post=8632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}