{"id":3808,"date":"2026-11-08T15:40:25","date_gmt":"2026-11-08T06:40:25","guid":{"rendered":"https:\/\/qol-kk.com\/wp2\/?p=3808"},"modified":"2026-11-08T15:40:25","modified_gmt":"2026-11-08T06:40:25","slug":"20260914-00mu0ktu","status":"publish","type":"post","link":"https:\/\/qol-kk.com\/wp2\/blog\/2026\/11\/08\/20260914-00mu0ktu\/","title":{"rendered":"lodash\u306e\u4fbf\u5229\u95a2\u6570\u3092\u4f7f\u3044\u3053\u306a\u3059\uff1a\u5b9f\u52d9\u3067\u983b\u51fa\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u96c6"},"content":{"rendered":"<h2>\u6982\u8981<\/h2>\n<p>lodash \u306f JavaScript \u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3057\u3066\u9577\u304f\u4f7f\u308f\u308c\u3066\u304d\u307e\u3057\u305f\u3002ES2015 \u4ee5\u964d\u306e\u8a00\u8a9e\u4ed5\u69d8\u306e\u5145\u5b9f\u3067\u300c\u3082\u3046\u4e0d\u8981\u3067\u306f\u300d\u3068\u8a9e\u3089\u308c\u308b\u3053\u3068\u3082\u5897\u3048\u307e\u3057\u305f\u304c\u3001\u5b9f\u52d9\u306e\u30b3\u30fc\u30c9\u3092\u8aad\u3093\u3067\u3044\u308b\u3068\u3001\u6a19\u6e96\u6a5f\u80fd\u3067\u306f\u5730\u5473\u306b\u9762\u5012\u306a\u51e6\u7406\u3092 lodash \u304c\u80a9\u4ee3\u308f\u308a\u3057\u3066\u3044\u308b\u5834\u9762\u306f\u307e\u3060\u591a\u304f\u6b8b\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u5b9f\u52d9\u3067\u983b\u51fa\u3059\u308b lodash \u306e\u95a2\u6570\u3092\u300c\u306a\u305c\u30cd\u30a4\u30c6\u30a3\u30d6\u3088\u308a\u4fbf\u5229\u306a\u306e\u304b\u300d\u300c\u3069\u3053\u3067\u4f7f\u3046\u3068\u52b9\u304f\u306e\u304b\u300d\u3068\u3044\u3046\u89b3\u70b9\u3067\u6574\u7406\u3057\u307e\u3059\u3002\u6a19\u6e96\u6a5f\u80fd\u3067\u5341\u5206\u306a\u3082\u306e\u306f\u6b63\u76f4\u306b\u300c\u6a19\u6e96\u3067\u8db3\u308a\u308b\u300d\u3068\u66f8\u304d\u3001lodash \u3092\u4f7f\u3046\u5224\u65ad\u57fa\u6e96\u3082\u3042\u308f\u305b\u3066\u793a\u3057\u307e\u3059\u3002<\/p>\n<h2>\u74b0\u5883<\/h2>\n<ul>\n<li>Node.js 18 \u4ee5\u964d \/ \u30e2\u30c0\u30f3\u30d6\u30e9\u30a6\u30b6<\/li>\n<li>lodash 4.x<\/li>\n<li>TypeScript \u4f75\u7528<\/li>\n<\/ul>\n<p>\u5fc5\u8981\u306a\u95a2\u6570\u3060\u3051\u3092\u500b\u5225 import \u3059\u308b\u524d\u63d0\u3067\u66f8\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">import get from \"lodash\/get\";\nimport groupBy from \"lodash\/groupBy\";\nimport debounce from \"lodash\/debounce\";<\/pre>\n<p><code>import _ from \"lodash\"<\/code> \u3067\u5168\u4f53\u3092\u53d6\u308a\u8fbc\u3080\u3068\u30d0\u30f3\u30c9\u30eb\u30b5\u30a4\u30ba\u304c\u81a8\u3089\u3080\u305f\u3081\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3067\u306f\u7279\u306b\u500b\u5225 import \u3092\u57fa\u672c\u306b\u3057\u307e\u3059\u3002<\/p>\n<h2>\u5b9f\u52d9\u3067\u52b9\u304f\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3<\/h2>\n<h3>1. <code>get<\/code> \/ <code>set<\/code> \u2014 \u30cd\u30b9\u30c8\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5b89\u5168\u306a\u30a2\u30af\u30bb\u30b9<\/h3>\n<p>API \u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u6df1\u3044\u968e\u5c64\u306b\u89e6\u308c\u308b\u3068\u304d\u3001\u9014\u4e2d\u304c <code>undefined<\/code> \u3060\u3068\u4f8b\u5916\u306b\u306a\u308a\u307e\u3059\u3002\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u30c1\u30a7\u30fc\u30f3\u3067\u5927\u534a\u306f\u89e3\u6c7a\u3057\u307e\u3059\u304c\u3001\u30d1\u30b9\u3092\u52d5\u7684\u306b\u7d44\u307f\u7acb\u3066\u305f\u3044\u30b1\u30fc\u30b9\u3067\u306f <code>get<\/code> \u304c\u4fbf\u5229\u3067\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">import get from \"lodash\/get\";\n\nconst res = { user: { profile: { name: \"Taro\" } } };\n\nconst name = get(res, \"user.profile.name\", \"\u540d\u7121\u3057\"); \/\/ \"Taro\"\nconst age = get(res, \"user.profile.age\", 0);          \/\/ 0\uff08\u6b20\u640d\uff09\n\n\/\/ \u30d1\u30b9\u3092\u52d5\u7684\u306b\u7d44\u307f\u7acb\u3066\u3089\u308c\u308b\u306e\u304c\u6700\u5927\u306e\u5229\u70b9\nconst key = \"profile.name\";\nconst dynamic = get(res, [\"user\", ...key.split(\".\")]); \/\/ \"Taro\"<\/pre>\n<p>\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u30c1\u30a7\u30fc\u30f3\uff08<code>res?.user?.profile?.name ?? \"\u540d\u7121\u3057\"<\/code>\uff09\u3067\u66f8\u3051\u308b\u5834\u5408\u306f\u305d\u3061\u3089\u3067\u5341\u5206\u3067\u3059\u3002<strong>\u30d1\u30b9\u304c\u5b9f\u884c\u6642\u306b\u6c7a\u307e\u308b<\/strong>\u3068\u304d\u306b\u3060\u3051 <code>get<\/code> \u3092\u9078\u3076\u3001\u3068\u3044\u3046\u5224\u65ad\u304c\u5b9f\u52d9\u7684\u3067\u3059\u3002<\/p>\n<h3>2. <code>groupBy<\/code> \/ <code>keyBy<\/code> \u2014 \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u6574\u5f62<\/h3>\n<p>\u4e00\u89a7\u30c7\u30fc\u30bf\u3092\u30ad\u30fc\u3067\u675f\u306d\u308b\u51e6\u7406\u306f\u3001\u96c6\u8a08\u30fb\u8868\u793a\u306e\u524d\u6bb5\u3067\u983b\u51fa\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">import groupBy from \"lodash\/groupBy\";\nimport keyBy from \"lodash\/keyBy\";\n\nconst orders = [\n  { id: 1, status: \"paid\", amount: 1200 },\n  { id: 2, status: \"pending\", amount: 800 },\n  { id: 3, status: \"paid\", amount: 500 },\n];\n\nconst byStatus = groupBy(orders, \"status\");\n\/\/ { paid: [ {id:1}, {id:3} ], pending: [ {id:2} ] }\n\nconst byId = keyBy(orders, \"id\");\n\/\/ { \"1\": {id:1,...}, \"2\": {...}, \"3\": {...} }<\/pre>\n<p><code>groupBy<\/code> \u306f <code>reduce<\/code> \u3067\u81ea\u524d\u5b9f\u88c5\u3067\u304d\u307e\u3059\u304c\u3001\u6bce\u56de\u66f8\u304f\u3068\u8aad\u307f\u624b\u306e\u8ca0\u62c5\u306b\u306a\u308a\u307e\u3059\u3002\u300c\u914d\u5217 \u2192 \u8f9e\u66f8\u300d\u3078\u306e\u5909\u63db\u306f\u983b\u5ea6\u304c\u9ad8\u3044\u306e\u3067\u3001\u3053\u3053\u306f lodash \u306b\u4efb\u305b\u308b\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002\u306a\u304a <code>keyBy<\/code> \u306f\u30ad\u30fc\u304c\u6587\u5b57\u5217\u5316\u3055\u308c\u308b\u305f\u3081\u3001\u6570\u5024 ID \u3092\u4fdd\u3061\u305f\u3044\u306a\u3089 <code>new Map(orders.map(o =&gt; [o.id, o]))<\/code> \u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>3. <code>debounce<\/code> \/ <code>throttle<\/code> \u2014 \u30a4\u30d9\u30f3\u30c8\u5236\u5fa1\u306e\u5b9a\u756a<\/h3>\n<p>\u691c\u7d22\u5165\u529b\u306e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30bf\u30eb\u30b5\u30fc\u30c1\u3084\u3001\u30b9\u30af\u30ed\u30fc\u30eb\u30fb\u30ea\u30b5\u30a4\u30ba\u51e6\u7406\u306e\u9593\u5f15\u304d\u306f\u3001\u81ea\u524d\u5b9f\u88c5\u3059\u308b\u3068\u30bf\u30a4\u30de\u30fc\u7ba1\u7406\u3067\u30d0\u30b0\u308a\u304c\u3061\u3067\u3059\u3002\u3053\u3053\u306f lodash \u304c\u4eca\u306a\u304a\u5f37\u3044\u9818\u57df\u3067\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">import debounce from \"lodash\/debounce\";\n\nconst onSearch = debounce((q: string) =&gt; {\n  fetchSuggestions(q);\n}, 300);\n\n\/\/ React \u306e\u5834\u5408\u3001\u518d\u30ec\u30f3\u30c0\u30fc\u3067\u518d\u751f\u6210\u3055\u308c\u306a\u3044\u3088\u3046 useMemo \u3067\u304f\u308b\u3080\nconst debounced = useMemo(\n  () =&gt; debounce((q: string) =&gt; fetchSuggestions(q), 300),\n  []\n);\n\n\/\/ \u30a2\u30f3\u30de\u30a6\u30f3\u30c8\u6642\u306e\u30ad\u30e3\u30f3\u30bb\u30eb\u3092\u5fd8\u308c\u306a\u3044\nuseEffect(() =&gt; () =&gt; debounced.cancel(), [debounced]);<\/pre>\n<p><code>leading<\/code> \/ <code>trailing<\/code> \/ <code>maxWait<\/code> \u3068\u3044\u3063\u305f\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u63c3\u3063\u3066\u3044\u308b\u70b9\u304c\u3001\u81ea\u524d\u5b9f\u88c5\u3068\u306e\u5dee\u3067\u3059\u3002<code>throttle<\/code> \u306f\u300c\u4e00\u5b9a\u9593\u9694\u3067\u5fc5\u305a\u5b9f\u884c\u300d\u306a\u306e\u3067\u30b9\u30af\u30ed\u30fc\u30eb\u9023\u52d5 UI \u306b\u5411\u304d\u307e\u3059\u3002<\/p>\n<h3>4. <code>cloneDeep<\/code> \u2014 \u6df1\u3044\u30b3\u30d4\u30fc<\/h3>\n<p><code>structuredClone<\/code> \u304c\u4f7f\u3048\u308b\u74b0\u5883\u304c\u5897\u3048\u305f\u305f\u3081\u3001\u307e\u305a\u306f\u305d\u3061\u3089\u3092\u691c\u8a0e\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u95a2\u6570\u3084\u4e00\u90e8\u306e\u7279\u6b8a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u542b\u3080\u30c7\u30fc\u30bf\u3067\u306f <code>structuredClone<\/code> \u304c\u4f8b\u5916\u3092\u6295\u3052\u308b\u305f\u3081\u3001<code>cloneDeep<\/code> \u304c\u7121\u96e3\u306a\u5834\u9762\u304c\u6b8b\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">import cloneDeep from \"lodash\/cloneDeep\";\n\nconst original = { nested: { list: [1, 2, 3] } };\nconst copy = cloneDeep(original);\ncopy.nested.list.push(4);\n\/\/ original \u306f\u5f71\u97ff\u3092\u53d7\u3051\u306a\u3044<\/pre>\n<p><strong>\u5224\u65ad\u57fa\u6e96<\/strong>: JSON \u76f8\u5f53\u306e\u30c7\u30fc\u30bf\u306a\u3089 <code>structuredClone<\/code>\u3002\u305d\u308c\u4ee5\u5916\u3084\u65e2\u5b58\u30b3\u30fc\u30c9\u3068\u306e\u4e00\u8cab\u6027\u3092\u512a\u5148\u3059\u308b\u306a\u3089 <code>cloneDeep<\/code>\u3002<\/p>\n<h3>5. <code>isEqual<\/code> \u2014 \u6df1\u3044\u7b49\u4fa1\u6bd4\u8f03<\/h3>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540c\u58eb\u306e\u4e2d\u8eab\u304c\u540c\u3058\u304b\u3092\u5224\u5b9a\u3057\u305f\u3044\u3068\u304d\u3001<code>JSON.stringify<\/code> \u306e\u6bd4\u8f03\u306f\u30ad\u30fc\u9806\u5e8f\u306b\u4f9d\u5b58\u3057\u3066\u58ca\u308c\u307e\u3059\u3002<code>isEqual<\/code> \u306f\u69cb\u9020\u3092\u518d\u5e30\u7684\u306b\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">import isEqual from \"lodash\/isEqual\";\n\nisEqual({ a: 1, b: 2 }, { b: 2, a: 1 }); \/\/ true\uff08\u30ad\u30fc\u9806\u306b\u4f9d\u5b58\u3057\u306a\u3044\uff09\nisEqual([1, [2, 3]], [1, [2, 3]]);       \/\/ true<\/pre>\n<p>\u6df1\u3044\u6bd4\u8f03\u306f\u30b3\u30b9\u30c8\u304c\u3042\u308b\u305f\u3081\u3001\u591a\u7528\u306f\u907f\u3051\u3066\u6d45\u3044\u6bd4\u8f03\u3067\u6e08\u3080\u8a2d\u8a08\u3092\u512a\u5148\u3057\u307e\u3059\u3002<\/p>\n<h3>6. <code>uniqBy<\/code> \/ <code>sortBy<\/code> \/ <code>orderBy<\/code> \u2014 \u91cd\u8907\u6392\u9664\u3068\u4e26\u3073\u66ff\u3048<\/h3>\n<pre class=\"lang:default decode:true\">import uniqBy from \"lodash\/uniqBy\";\nimport orderBy from \"lodash\/orderBy\";\n\nconst users = [\n  { id: 1, name: \"A\", age: 30 },\n  { id: 1, name: \"A2\", age: 25 },\n  { id: 2, name: \"B\", age: 40 },\n];\n\nuniqBy(users, \"id\"); \/\/ [ {id:1,name:\"A\"}, {id:2,name:\"B\"} ]\uff08\u5148\u52dd\u3061\uff09\n\norderBy(users, [\"age\", \"name\"], [\"desc\", \"asc\"]); \/\/ \u8907\u6570\u30ad\u30fc\uff0b\u65b9\u5411\u6307\u5b9a<\/pre>\n<p>\u5358\u7d14\u306a <code>uniq<\/code> \u306f <code>[...new Set(arr)]<\/code> \u3067\u6e08\u307f\u307e\u3059\u304c\u3001<strong>\u30ad\u30fc\u95a2\u6570\u4ed8\u304d\u306e\u91cd\u8907\u6392\u9664<\/strong>\u306f\u6a19\u6e96\u306b\u306a\u3044\u305f\u3081 <code>uniqBy<\/code> \u304c\u52b9\u304d\u307e\u3059\u3002<code>orderBy<\/code> \u306f\u8907\u6570\u30ad\u30fc\uff0b\u65b9\u5411\u6307\u5b9a\u304c\u4e00\u767a\u3067\u66f8\u3051\u308b\u70b9\u304c\u8aad\u307f\u3084\u3059\u3055\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002<\/p>\n<h2>\u6a19\u6e96\u6a5f\u80fd\u3067\u8db3\u308a\u308b\u3082\u306e\uff08\u3042\u3048\u3066\u4f7f\u308f\u306a\u3044\u5224\u65ad\uff09<\/h2>\n<p>lodash \u3092\u60f0\u6027\u3067\u4f7f\u308f\u306a\u3044\u305f\u3081\u306b\u3001\u6a19\u6e96\u3067\u5341\u5206\u306a\u3082\u306e\u3092\u660e\u793a\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u3084\u308a\u305f\u3044\u3053\u3068<\/th>\n<th>\u6a19\u6e96\u3067\u8db3\u308a\u308b\u66f8\u304d\u65b9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u914d\u5217\u306e\u5909\u63db<\/td>\n<td><code>map<\/code> \/ <code>filter<\/code> \/ <code>reduce<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u5358\u7d14\u306a\u91cd\u8907\u6392\u9664<\/td>\n<td><code>[...new Set(arr)]<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u5b58\u5728\u30c1\u30a7\u30c3\u30af<\/td>\n<td><code>arr.includes(x)<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u5e73\u5766\u5316<\/td>\n<td><code>arr.flat()<\/code> \/ <code>arr.flatMap()<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u65e2\u5b9a\u5024\u306e\u88dc\u5b8c<\/td>\n<td><code>??<\/code> \/ <code>?.<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4e00\u90e8\u62bd\u51fa<\/td>\n<td>\u5206\u5272\u4ee3\u5165 + \u6b8b\u4f59<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u3053\u308c\u3089\u306b lodash \u3092\u4f7f\u3046\u3068\u3001\u4f9d\u5b58\u3068\u30d0\u30f3\u30c9\u30eb\u30b5\u30a4\u30ba\u3092\u5897\u3084\u3059\u3060\u3051\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u78ba\u8a8d\u65b9\u6cd5<\/h2>\n<ul>\n<li><code>import<\/code> \u3057\u305f\u95a2\u6570\u3092\u5b9f\u969b\u306b\u547c\u3073\u3001\u671f\u5f85\u3057\u305f\u623b\u308a\u5024\u306b\u306a\u308b\u304b\u3092\u5358\u4f53\u30c6\u30b9\u30c8\u3067\u78ba\u8a8d\u3057\u307e\u3059<\/li>\n<li>\u30d0\u30f3\u30c9\u30eb\u30b5\u30a4\u30ba\u306f <code>webpack-bundle-analyzer<\/code> \u306a\u3069\u3067\u3001<code>lodash<\/code> \u5168\u4f53\u3092\u53d6\u308a\u8fbc\u3093\u3067\u3044\u306a\u3044\u304b\u53ef\u8996\u5316\u3057\u307e\u3059<\/li>\n<li>TypeScript \u3067\u306f <code>@types\/lodash<\/code> \u3092\u5165\u308c\u3001<code>get<\/code> \u306e\u623b\u308a\u5024\u578b\u304c <code>any<\/code> \u306b\u306a\u308a\u304c\u3061\u306a\u70b9\u3092\u30ad\u30e3\u30b9\u30c8\u3067\u88dc\u3044\u307e\u3059<\/li>\n<\/ul>\n<h2>\u6ce8\u610f\u70b9<\/h2>\n<ul>\n<li><strong>\u5168\u4f53 import \u3092\u907f\u3051\u308b<\/strong>: <code>import _ from \"lodash\"<\/code> \u306f tree-shaking \u304c\u52b9\u304d\u306b\u304f\u3044\u305f\u3081\u3001\u500b\u5225 import \u304b <code>lodash-es<\/code> \u3092\u4f7f\u3044\u307e\u3059<\/li>\n<li><strong><code>get<\/code> \u306e\u4e71\u7528\u306f\u578b\u3092\u5931\u3046<\/strong>: \u9759\u7684\u306b\u30d1\u30b9\u304c\u5206\u304b\u308b\u306a\u3089\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u30c1\u30a7\u30fc\u30f3\u306e\u65b9\u304c\u578b\u5b89\u5168\u3067\u3059<\/li>\n<li><strong>\u6df1\u3044\u6bd4\u8f03\u30fb\u6df1\u3044\u30b3\u30d4\u30fc\u306f\u30b3\u30b9\u30c8<\/strong>: <code>isEqual<\/code> \/ <code>cloneDeep<\/code> \u306f\u30c7\u30fc\u30bf\u91cf\u306b\u6bd4\u4f8b\u3057\u3066\u91cd\u304f\u306a\u308a\u307e\u3059<\/li>\n<li><strong>\u30cd\u30a4\u30c6\u30a3\u30d6\u3067\u4ee3\u66ff\u53ef\u80fd\u306a\u3082\u306e\u306f\u4ee3\u66ff\u3059\u308b<\/strong>: \u8a00\u8a9e\u4ed5\u69d8\u306f\u5e74\u3005\u5145\u5b9f\u3057\u3066\u3044\u307e\u3059\u3002\u5b9a\u671f\u7684\u306b\u300c\u3053\u308c\u306f\u3082\u3046\u6a19\u6e96\u3067\u66f8\u3051\u306a\u3044\u304b\u300d\u3092\u898b\u76f4\u3059\u306e\u304c\u5065\u5168\u3067\u3059<\/li>\n<\/ul>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>lodash \u306f\u300c\u5168\u90e8\u5165\u308c\u3066\u5168\u90e8\u4f7f\u3046\u300d\u6642\u4ee3\u304b\u3089\u3001\u300c\u6a19\u6e96\u3067\u66f8\u3051\u306a\u3044\u3068\u3053\u308d\u3060\u3051\u9078\u3093\u3067\u4f7f\u3046\u300d\u6642\u4ee3\u306b\u79fb\u308a\u307e\u3057\u305f\u3002\u5b9f\u52d9\u3067\u4eca\u3082\u52b9\u304f\u306e\u306f\u3001<code>get<\/code>\uff08\u52d5\u7684\u30d1\u30b9\uff09\u3001<code>groupBy<\/code> \/ <code>keyBy<\/code>\uff08\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u6574\u5f62\uff09\u3001<code>debounce<\/code> \/ <code>throttle<\/code>\uff08\u30a4\u30d9\u30f3\u30c8\u5236\u5fa1\uff09\u3001<code>uniqBy<\/code> \/ <code>orderBy<\/code>\uff08\u30ad\u30fc\u4ed8\u304d\u64cd\u4f5c\uff09\u3042\u305f\u308a\u3067\u3059\u3002<\/p>\n<p>\u300c\u4fbf\u5229\u3060\u304b\u3089\u4f7f\u3046\u300d\u3067\u306f\u306a\u304f\u300c\u6a19\u6e96\u3067\u8db3\u308a\u308b\u304b\u300d\u3092\u6bce\u56de\u554f\u3044\u3001\u8db3\u308a\u306a\u3044\u3068\u3053\u308d\u306b\u3060\u3051\u5dee\u3057\u8fbc\u3080\u3002\u3053\u306e\u4f7f\u3044\u5206\u3051\u304c\u3067\u304d\u308b\u3068\u3001\u30b3\u30fc\u30c9\u306f\u8aad\u307f\u3084\u3059\u304f\u30d0\u30f3\u30c9\u30eb\u306f\u8efd\u3044\u307e\u307e\u3001lodash \u306e\u6069\u6075\u3060\u3051\u3092\u53d7\u3051\u53d6\u308c\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>lodash \u306f JavaScript \u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3057\u3066\u9577\u304f\u4f7f\u308f\u308c\u3066\u304d\u307e\u3057\u305f\u3002ES2015 \u4ee5\u964d\u306e\u8a00\u8a9e\u4ed5\u69d8\u306e\u5145\u5b9f\u3067\u300c\u3082\u3046\u4e0d\u8981\u3067\u306f\u300d\u3068\u8a9e\u3089\u308c\u308b\u3053\u3068\u3082\u5897\u3048\u307e\u3057\u305f\u304c\u3001\u5b9f\u52d9\u306e\u30b3\u30fc\u30c9\u3092\u8aad\u3093\u3067\u3044\u308b\u3068\u3001\u6a19\u6e96\u6a5f\u80fd\u3067\u306f\u5730\u5473\u306b\u9762\u5012\u306a\u51e6\u7406\u3092 lo\u2026<\/p>\n","protected":false},"author":1,"featured_media":3807,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","sitemap_hide":"","_veu_custom_css":"","veu_display_promotion_alert":"","vkexunit_cta_each_option":"","_lightning_design_setting":[],"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[36],"tags":[1191,750,916],"class_list":["post-3808","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript-memorandum","tag-typescript","tag-750","tag-916"],"veu_head_title_object":{"title":"","add_site_title":""},"jetpack_publicize_connections":[],"jetpack-related-posts":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/qol-kk.com\/wp2\/wp-content\/uploads\/2026\/11\/20260914-00mu0ktu-thumbnail.jpg","_links":{"self":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts\/3808","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/comments?post=3808"}],"version-history":[{"count":1,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts\/3808\/revisions"}],"predecessor-version":[{"id":3809,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts\/3808\/revisions\/3809"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/media\/3807"}],"wp:attachment":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/media?parent=3808"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/categories?post=3808"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/tags?post=3808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}