{"id":8680,"date":"2018-12-06T00:18:52","date_gmt":"2018-12-05T15:18:52","guid":{"rendered":"http:\/\/r-dimension.xsrv.jp\/classes_j\/?p=8680"},"modified":"2018-12-07T15:11:01","modified_gmt":"2018-12-07T06:11:01","slug":"enter_update_exit","status":"publish","type":"post","link":"https:\/\/r-dimension.xsrv.jp\/classes_j\/enter_update_exit\/","title":{"rendered":"enter\u3001update\u3001exit\u306e\u95a2\u4fc2"},"content":{"rendered":"

d3\u3092\u5b66\u3076\u4e0a\u3067\u4e00\u756a\u96e3\u3057\u3044\u306e\u306fenter\u3001update\u3001exit\u306e\u95a2\u4fc2\u3067\u3057\u3087\u3046\u3002\u3053\u306e\u4e2d\u3067\u3001update\u306f\u7279\u306b\u660e\u793a\u3059\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u306e\u3082\u6df7\u4e71\u306e\u5143\u3067\u3059\u3002
\n\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u5fa9\u7fd2\u3082\u517c\u306d\u3066\u305d\u308c\u305e\u308c\u306e\u5f79\u5272\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002
\n\u307e\u305a\u306f\u3001dataset\u306e\u8981\u7d20\u6570\u306b\u5408\u308f\u305b\u3066div\u3068\u30c6\u30ad\u30b9\u30c8\u3092\u4f5c\u6210\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u304b\u3089\u59cb\u3081\u307e\u3059\u3002<\/p>\n

enter_update_exit_start<\/a><\/p>\n

\"\"<\/a><\/p>\n

enter\u3068update<\/h1>\n

\u3059\u3067\u306b\u3001\u8ffd\u52a0\u3068\u524a\u9664\u30dc\u30bf\u30f3\u304c\u4ed8\u3044\u3066\u3044\u308b\u306e\u3067\u3053\u308c\u3092\u5229\u7528\u3057\u3066\u3001\u307e\u305a\u306f\u65b0\u3057\u304fdataset\u306e\u8981\u7d20\u6570\u3092\u5897\u3084\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

\r\n\/\/\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068dataset\u3092\u66f4\u65b0\u3057\u3066\u8981\u7d20\u6570\u30927\u306b\u3059\u308b\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\nd3.select(\".add\")\r\n   .on(\"click\", function() {\r\n\r\n      \/\/dataset\u306e\u65b0\u3057\u3044\u5024\r\n      dataset = [ 5, 10, 15, 20, 25, 30, 35 ];\r\n\r\n      var divs = body.selectAll(\"div\") \/\/div\u306eDOM\u8981\u7d20\u304c7\u306b\u306a\u308b\u3088\u3046\u306b\u9078\u629e\u3057\u76f4\u3059\u3002\r\n         .data(dataset);          \/\/\u30c7\u30fc\u30bf\u306e\u8981\u7d20\u6570\u3092\u30ab\u30a6\u30f3\u30c8\u3057\u62bd\u51fa\u3002update\u30bb\u30ec\u30af\u30b7\u30e7\u30f3\u306b\u5165\u308b\r\n\r\n      \/\/enter\u30bb\u30ec\u30af\u30b7\u30e7\u30f3\u3002DOM\u8981\u7d20\u304c\u30c7\u30fc\u30bf\u306e\u8981\u7d20\u6570\u3088\u308a\u5c11\u306a\u3044\u5834\u5408\u306f\u65b0\u3057\u304f\u7a7a\u306eDOM\u8981\u7d20\u3092\u4f5c\u308b\u3002\r\n      divs.enter()\r\n         .append(\"div\")            \/\/\u65b0\u3057\u304f\u4f5c\u3063\u305fDOM\u8981\u7d20\u306bdiv\u3092\u8ffd\u52a0\u3002\r\n         .text(function(d){      \/\/div\u306e\u4e2d\u306b\u30c6\u30ad\u30b9\u30c8\u3092\u8ffd\u52a0\u3002\r\n            return \"\u65b0\u3057\u3044\u6570\u5024\u306f\" + d + \"\u306b\u306a\u308a\u307e\u3059\";\r\n         })\r\n         .style(\"color\", \"blue\"); \/\/\u5168\u3066\u306ep\u8981\u7d20\u306b\u9069\u7528\r\n   });\r\n<\/pre>\n
\u3053\u306e\u30b3\u30fc\u30c9\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u3001.data(dataset)\u4ee5\u964d\u3067\u3059\u3002<\/p>\n
\u307e\u305a\u3001\u30c7\u30fc\u30bf\u306e\u8981\u7d20\u6570\u3092\u30ab\u30a6\u30f3\u30c8\u3057\u62bd\u51fa\u3057\u307e\u3059\u3002<\/p>\n
\r\n.data(dataset) \r\n<\/pre>\n
\u6b21\u306b\u3001.enter()\u3067\u3001DOM\u8981\u7d20\u304c\u30c7\u30fc\u30bf\u306e\u8981\u7d20\u6570\u3088\u308a\u5c11\u306a\u3044\u5834\u5408\u306f\u65b0\u3057\u304f\u7a7a\u306eDOM\u8981\u7d20\u3092\u4f5c\u308a\u307e\u3059\u3002<\/p>\n
\r\n.enter()\r\n<\/pre>\n
 \u65b0\u3057\u304f\u4f5c\u3063\u305fDOM\u8981\u7d20\u306bdiv\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\r\n.append(\"div\") \r\n<\/pre>\n
\u65b0\u3057\u304f\u4f5c\u3063\u305fdiv\u306b\u30c6\u30ad\u30b9\u30c8\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\r\n.text(function(d){      \/\/
<\/p>\u306e\u4e2d\u306b\u30c6\u30ad\u30b9\u30c8\u3092\u8ffd\u52a0\u3002\r\n   return \"\u65b0\u3057\u3044\u6570\u5024\u306f\" + d + \"\u306b\u306a\u308a\u307e\u3059\";\r\n})\r\n<\/pre>\n
\u6700\u5f8c\u306b\u3001\u65b0\u3057\u304f\u4f5c\u3063\u305fdiv\u306e\u8272\uff08\u30c6\u30ad\u30b9\u30c8\u306e\u8272\uff09\u3092\u8d64\u306b\u3057\u307e\u3059\u3002<\/p>\n
\r\n.style(\"color\", \"blue\"); \/\/\u5168\u3066\u306ep\u8981\u7d20\u306b\u9069\u7528\r\n<\/pre>\n
\u300c\u8ffd\u52a0\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u307f\u308b\u3068\u3001\u65b0\u3057\u304f\u8ffd\u52a0\u3055\u308c\u305f\u8981\u7d20\u3060\u3051\u304c\u9752\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001enter()\u306b\u3088\u3063\u3066\u884c\u308f\u308c\u308b\u66f4\u65b0\u306f\u3001\u65b0\u3057\u3044div\u8981\u7d20\u306b\u306e\u307f\u9069\u7528\u3055\u308c\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n
\"\"<\/a>
\n\u5168\u3066\u66f4\u65b0\u3057\u305f\u3044\u5834\u5408\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u7b54\u3048\u306f\u7c21\u5358\u3067\u3001\u3082\u3046\u4e00\u5ea6\u5168\u3066\u306ediv\u3092\u9078\u629e\u3057\u76f4\u3057\u3066\u3001\u66f4\u65b0\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306fupdate\u3068\u3044\u3046\u30b3\u30fc\u30c9\u306f\u51fa\u3066\u304d\u307e\u305b\u3093\u304c\u3001\u5b9f\u969b\u306b\u306fupdate()\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\r\nvar divs = body.selectAll(\"div\") \/\/div\u306eDOM\u8981\u7d20\u304c7\u306b\u306a\u308b\u3088\u3046\u306b\u9078\u629e\u3057\u76f4\u3059\u3002\r\n   .data(dataset)          \/\/\u30c7\u30fc\u30bf\u306e\u8981\u7d20\u6570\u3092\u30ab\u30a6\u30f3\u30c8\u3057\u62bd\u51fa\u3002update\u30bb\u30ec\u30af\u30b7\u30e7\u30f3\u306b\u5165\u308b\r\n\r\n\/\/enter\u30bb\u30ec\u30af\u30b7\u30e7\u30f3\u3002DOM\u8981\u7d20\u304c\u30c7\u30fc\u30bf\u306e\u8981\u7d20\u6570\u3088\u308a\u5c11\u306a\u3044\u5834\u5408\u306f\u65b0\u3057\u304f\u7a7a\u306eDOM\u8981\u7d20\u3092\u4f5c\u308b\u3002\r\ndivs.enter()\r\n   .append(\"div\")            \/\/\u65b0\u3057\u304f\u4f5c\u3063\u305fDOM\u8981\u7d20\u306bdiv\u3092\u8ffd\u52a0\u3002\r\n   .text(function(d){      \/\/div\u306e\u4e2d\u306b\u30c6\u30ad\u30b9\u30c8\u3092\u8ffd\u52a0\u3002\r\n      return \"\u65b0\u3057\u3044\u6570\u5024\u306f\" + d + \"\u306b\u306a\u308a\u307e\u3059\";\r\n   })\r\n   .style(\"color\", \"blue\"); \/\/\u5168\u3066\u306ep\u8981\u7d20\u306b\u9069\u7528\r\n\r\n\/\/update\r\ndivs.style(\"color\", \"blue\");\r\n\r\n<\/pre>\n
\u5168\u3066\u9752\u306b\u5909\u66f4\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n
\"\"<\/a><\/p>\n
merge\uff08\u7d50\u5408\uff09<\/h1>\n
\u5b9f\u306f\u3001\u65b0\u3057\u304f\u5897\u3048\u305fdiv\u3068\u65e2\u5b58\u306ediv\u306e\u66f4\u65b0\u306f\u3082\u3063\u3068\u77ed\u3044\u30b3\u30fc\u30c9\u3067\u540c\u6642\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002merge()\uff08\u7d50\u5408\u3068\u3044\u3046\u610f\u5473\u306e\u82f1\u8a9e\uff09\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n
\r\nvar divs = body.selectAll(\"div\") \/\/div\u306eDOM\u8981\u7d20\u304c7\u306b\u306a\u308b\u3088\u3046\u306b\u9078\u629e\u3057\u76f4\u3059\u3002\r\n   .data(dataset)          \/\/\u30c7\u30fc\u30bf\u306e\u8981\u7d20\u6570\u3092\u30ab\u30a6\u30f3\u30c8\u3057\u62bd\u51fa\u3002update\u30bb\u30ec\u30af\u30b7\u30e7\u30f3\u306b\u5165\u308b\r\n\r\n\/\/enter\u30bb\u30ec\u30af\u30b7\u30e7\u30f3\u3002DOM\u8981\u7d20\u304c\u30c7\u30fc\u30bf\u306e\u8981\u7d20\u6570\u3088\u308a\u5c11\u306a\u3044\u5834\u5408\u306f\u65b0\u3057\u304f\u7a7a\u306eDOM\u8981\u7d20\u3092\u4f5c\u308b\u3002\r\ndivs.enter()\r\n   .append(\"div\")            \/\/\u65b0\u3057\u304f\u4f5c\u3063\u305fDOM\u8981\u7d20\u306bdiv\u3092\u8ffd\u52a0\u3002\r\n   .text(function(d){      \/\/div\u306e\u4e2d\u306b\u30c6\u30ad\u30b9\u30c8\u3092\u8ffd\u52a0\u3002\r\n      return \"\u65b0\u3057\u3044\u6570\u5024\u306f\" + d + \"\u306b\u306a\u308a\u307e\u3059\";\r\n   })\r\n   .merge(divs)       \/\/\u65e2\u5b58\u306ediv\u8981\u7d20\u3082\u4e00\u7dd2\u306b\u9078\u629e\u3059\u308b\r\n   .style(\"color\", \"blue\"); \/\/\u5168\u3066\u306ep\u8981\u7d20\u306b\u9069\u7528\r\n<\/pre>\n
\u540c\u3058\u7d50\u679c\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
exit<\/h1>\n
\u6b21\u306b\u3001dataset\u306e\u8981\u7d20\u304c\u6e1b\u3063\u305f\u6642\u306e\u52d5\u4f5c\u3092exit()\u3067\u64cd\u4f5c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\r\n\/\/\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068dataset\u3092\u66f4\u65b0\u3057\u3066\u8981\u7d20\u6570\u30924\u306b\u3059\u308b\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\r\nd3.select(\".remove\")\r\n   .on(\"click\", function() {\r\n\r\n      \/\/dataset\u306e\u65b0\u3057\u3044\u5024\r\n      dataset = [ 5, 10, 15, 20 ];\r\n\r\n      body.selectAll(\"div\")\r\n         .data(dataset)          \/\/\u30c7\u30fc\u30bf\u306e\u8981\u7d20\u6570\u3092\u30ab\u30a6\u30f3\u30c8\u3057\u62bd\u51fa\r\n         .exit()\r\n         .style(\"color\", \"red\"); \/\/exit()\u306ep\u8981\u7d20\u306b\u9069\u7528\r\n   });\r\n<\/pre>\n
\u3053\u3053\u3067\u306f\u3001dataset\u306e\u8981\u7d20\u304c4\u500b\u306b\u6e1b\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u300c\u8ffd\u52a0\u300d\u306b\u3088\u3063\u3066\u5897\u3048\u305f7\u500b\u304b\u30893\u500b\u6e1b\u3063\u3066\u3044\u307e\u3059\u3002exit\u306b\u3088\u3063\u3066\u3001\u30c7\u30fc\u30bf\u304c\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3063\u305fdiv\u8981\u7d20\u3092\u9078\u629e\u3057\u3001style()\u3067\u8d64\u306b\u5909\u66f4\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\"\"<\/a><\/p>\n
\u4e00\u822c\u7684\u306b\u306f\u4f59\u5206\u306adiv\u8981\u7d20\u306f\u524a\u9664\u3059\u308b\u306e\u3067\u3001remove()\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
\r\nbody.selectAll(\"div\")\r\n   .data(dataset)          \/\/\u30c7\u30fc\u30bf\u306e\u8981\u7d20\u6570\u3092\u30ab\u30a6\u30f3\u30c8\u3057\u62bd\u51fa\r\n   .exit()\r\n   \/\/.style(\"color\", \"red\"); \/\/exit()\u306ep\u8981\u7d20\u306b\u9069\u7528\r\n   .remove();\r\n<\/pre>\n
\"\"<\/a><\/p>\n
enter_update_exit<\/a><\/p>\n
\u307e\u3068\u3081<\/h1>\n
\u3088\u3063\u3066\u3001enter, update, exit\u306e\u95a2\u4fc2\u306f\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
enter : \u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306b\u8ffd\u52a0\u3055\u308c\u3001\u307e\u3060DOM\u8981\u7d20\u306b\u306a\u3063\u3066\u3044\u306a\u3044\u3082\u306e
\nupdate : \u3059\u3067\u306bDOM\u8981\u7d20\u306b\u306a\u3063\u3066\u3044\u308b\u65e2\u5b58\u306e\u30c7\u30fc\u30bf
\nexit : DOM\u8981\u7d20\u3068\u3057\u3066\u63cf\u753b\u3055\u308c\u3066\u3044\u3066\u3001\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u304b\u3089\u524a\u9664\u3055\u308c\u305f\u3082\u306e<\/strong><\/p>\n
\u3053\u306e\u95a2\u4fc2\u6027\u3092\u5fd8\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
d3\u3092\u5b66\u3076\u4e0a\u3067\u4e00\u756a\u96e3\u3057\u3044\u306e\u306fenter\u3001update\u3001exi… 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-8680","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\/8680","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=8680"}],"version-history":[{"count":14,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/posts\/8680\/revisions"}],"predecessor-version":[{"id":8759,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/posts\/8680\/revisions\/8759"}],"wp:attachment":[{"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/media?parent=8680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/categories?post=8680"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/tags?post=8680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}