{"id":5658,"date":"2026-01-07T19:36:55","date_gmt":"2026-01-07T10:36:55","guid":{"rendered":"https:\/\/zeoninc.com\/blog\/?p=5658"},"modified":"2026-01-07T19:36:57","modified_gmt":"2026-01-07T10:36:57","slug":"january1-4","status":"publish","type":"post","link":"https:\/\/zeoninc.com\/blog\/2026\/01\/07\/january1-4\/","title":{"rendered":"\u6700\u8fd1\u77e5\u3063\u305fJavascript\u307e\u308f\u308a\u306e\u3053\u3068"},"content":{"rendered":"\n<p>\u958b\u767a\u306eAH\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6700\u8fd1\u306fAI\u3055\u3093\u306b\u3070\u304b\u308a\u30b3\u30fc\u30c9\u3092\u66f8\u304b\u305b\u3066\u3044\u3066\u308b\u305f\u3081\u3042\u307e\u308a\u65b0\u3057\u3044\u3053\u3068\u3092\u63a2\u3059\u3088\u3046\u306a\u3053\u3068\u3092\u3057\u3066\u3044\u306a\u3044\u5370\u8c61\u3067\u3059\u3002<br>\u30d6\u30ed\u30b0\u306e\u30cd\u30bf\u306b\u3082\u56f0\u3063\u3066\u3044\u305f\u306e\u3067\u3068\u308a\u3042\u3048\u305aAI\u3055\u3093\u306b\u306a\u3093\u304bJavascript\u754c\u9688\u3067\u65b0\u3057\u3044\u3053\u3068\u306f\u306a\u3044\uff1f\u3068\u805e\u3044\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u30fbstructuredClone<br>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5b8c\u5168\u30b3\u30d4\u30fc\u304c\u7c21\u5358\u306b\u51fa\u6765\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u307e\u3067\u306f<\/p>\n\n\n\n<p>const obj = { name : &#8216;hoge&#8217;, type : 1 };<br>\/\/\u30b3\u30d4\u30fc\u3057\u305f\u3068\u601d\u3063\u3066\u3057\u307e\u3046\u3084\u3064<br>const tmp_obj = obj;<br>\/\/\u4ee3\u5165<br>tmp_obj.type = 2;<br>\/\/\u51fa\u529b<br>console.log(obj.type); \/\/ \u7d50\u679c\u306f2<\/p>\n\n\n\n<p>\u3068\u3044\u3046\u611f\u3058\u3067javascript\u306e\u4ed5\u69d8\u4e0a\u3001obj\u306e\u30e1\u30e2\u30ea\u306e\u30a2\u30c9\u30ec\u30b9\u306e\u53c2\u7167\u3092\u6e21\u3059\u5f62\u306b\u306a\u308b\u306e\u3067\u5143\u306eobj\u3078\u4ee3\u5165\u304c\u53ef\u80fd\u306b\u3002<br>structuredClone\u3092\u4f7f\u3046\u3068\u7c21\u5358\u306b\u30b3\u30d4\u30fc\u304c\u53ef\u80fd\u3068\u3044\u3046\u3002<\/p>\n\n\n\n<p>const obj = { name : &#8216;hoge&#8217;, type : 1 };<br>\/\/\u30b3\u30d4\u30fc<br>const tmp_obj = structuredClone(obj);<br>\/\/\u4ee3\u5165<br>tmp_obj.type = 2;<br>\/\/\u51fa\u529b<br>console.log(obj.type); \/\/ \u7d50\u679c\u306f1<br>console.log(tmp_obj.type); \/\/ \u7d50\u679c\u306f2<\/p>\n\n\n\n<p>\u4f55\u304c\u3044\u3044\u304b\u3068\u8a00\u308f\u308c\u308b\u3068\u52d8\u9055\u3044\u304c\u6e1b\u308b\u3063\u3066\u3068\u3053\u308d\u304b\u306a\u3068\u3002<br>javascript\u3067\u30d0\u30a4\u30ca\u30ea\u3068\u304b\u4f7f\u3046\u3068\u521d\u5fc3\u8005\u306a\u79c1\u306f\u3064\u307e\u305a\u304d\u307e\u3057\u305f\u3002<br>\u30b3\u30d4\u30fc\u3055\u308c\u3066\u306a\u304f\u3066\u3061\u3087\u3063\u3068\u75db\u3044\u76ee\u3092\u898b\u305f\u601d\u3044\u51fa\u3002<br>\u3057\u304b\u3057\u3053\u308c\u304b\u3089\u306f\u305d\u3046\u3044\u3046\u3053\u3068\u304c\u6e1b\u308b\u306e\u3067\u3068\u3066\u3082\u3044\u3044\u6a5f\u80fd\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30fbTemporal<br>\u6b21\u4e16\u4ee3\u898f\u683c\u306e\u3088\u3046\u3067\u3059\u304cJavascript\u3067\u65e5\u4ed8\u307e\u308f\u308a\u304c\u307e\u3068\u3082\u306b\u306a\u308b\u3089\u3057\u3044\u3002<br>\u65e5\u4ed8\u306e\u3081\u3093\u3069\u304f\u3055\u3055\u306f\u6298\u308a\u7d19\u3064\u304d\u306eJavascript\u306a\u306e\u3067\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308b\u3068\u697d\u306b\u306a\u308b\u3093\u3060\u308d\u3046\u304b\u3002<br>\u3068\u306f\u3044\u3048Chrome\u3067\u3082\u5bfe\u5fdc\u3057\u3066\u306a\u3044\u3068\u3044\u3046\u8a71\u3067Debug\u304cNode.js\u304b\u3089\u3057\u304b\u4f7f\u3048\u306a\u3044\u3068\u304b\u3002<\/p>\n\n\n\n<p>const { Temporal } = require(&#8216;@js-temporal\/polyfill&#8217;);<br>console.log(Temporal.Now.zonedDateTimeISO().toString());<\/p>\n\n\n\n<p>\u3067\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u3084\u3089\u3044\u308d\u3044\u308d\u5165\u3063\u305f\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u304c\u51fa\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>Temporal.Now.plainDateTimeISO().toString();<\/p>\n\n\n\n<p>\u305f\u3060\u306e\u65e5\u4ed8\u6b32\u3057\u3044\u5834\u5408\u306b\u306f\u3053\u3063\u3061\u3092\u4f7f\u3063\u305f\u65b9\u304c\u826f\u3055\u305d\u3046\u3067\u3059\u3002<br>\u65e5\u4ed8\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u7121\u304f\u306a\u3063\u3066\u6a19\u6e96\u306b\u306a\u3063\u3066\u304f\u308c\u308b\u3068\u4f7f\u3044\u3084\u3059\u3044\u3093\u3067\u3059\u304c\u3002<br>\u3042\u3068\u3082\u3063\u3068\u65e9\u304f\u6b32\u3057\u304b\u3063\u305f\u3053\u3046\u3044\u3046\u6a5f\u80fd\u3002<\/p>\n\n\n\n<p>\u3068\u3044\u3046\u611f\u3058\u3067\u30c1\u30e9\u30db\u30e9\u65b0\u3057\u3044\u6a5f\u80fd\u304c\u5897\u3048\u3066\u3044\u308b\u3093\u3067\u3059\u306dJavascript\u3002<br>\u307e\u305f\u6b21\u306e\u6a5f\u4f1a\u306bAI\u3055\u3093\u306b\u805e\u3044\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6587\uff1a\u958b\u767aAH<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u958b\u767a\u306eAH\u3067\u3059\u3002 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