{"id":3959,"date":"2023-07-09T19:20:14","date_gmt":"2023-07-09T10:20:14","guid":{"rendered":"http:\/\/attacktube.com\/?p=3959"},"modified":"2023-07-09T19:20:17","modified_gmt":"2023-07-09T10:20:17","slug":"%e3%80%90javascript%e3%80%91map-object%e3%82%92object%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%a8object%e3%82%92map-object%e3%81%ab%e5%a4%89%e6%8f%9b","status":"publish","type":"post","link":"http:\/\/attacktube.com\/?p=3959","title":{"rendered":"\u3010JavaScript\u3011Map Object\u3092Object\u306b\u5909\u63db\u3068Object\u3092Map Object\u306b\u5909\u63db"},"content":{"rendered":"\n<p>Map Object\u3092Object\u306b\u5909\u63db\u3059\u308b\u3002Object\u3092Map Object\u306b\u5909\u63db\u3059\u308b\u3002Map Object\u3068Object\u306f\u76f8\u4e92\u5909\u63db\u53ef\u80fd\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<br>\n<script async=\"\" src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3461056110605997\" crossorigin=\"anonymous\"><\/script>\n<ins class=\"adsbygoogle\" style=\"display:block; text-align:center;\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\" data-ad-client=\"ca-pub-3461056110605997\" data-ad-slot=\"3137443461\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n<br>\n\n\n\n<pre><code>\n\nconsole.log(&quot;--Map Object\u3092Object\u306b\u5909\u63db\u3059\u308b\u3002--&quot;);\n\nconst socketID_code = new Map();\nsocketID_code.set(&#039;socket1&#039;, &#039;code1&#039;);\nsocketID_code.set(&#039;socket2&#039;, &#039;code2&#039;);\nsocketID_code.set(&#039;socket3&#039;, &#039;code3&#039;);\n\n\/\/ Map Object\u306esocketID_code\u3092entries()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u306e2\u6b21\u5143\u914d\u5217\u306b\u5909\u63db\u3059\u308b\u3002\n\/\/ Array.from(socketID_code.entries())\u3092\u4f7f\u7528\u3057\u3066\u30012\u6b21\u5143\u914d\u5217\u30921\u6b21\u5143\u914d\u5217\u306b\u5909\u63db\u3059\u308b\u3002\nArray.from(socketID_code.entries()).forEach(element =&gt; console.log(&quot;element =&quot;, element));\n\n\/\/ Object.fromEntries()\u306f\u3001\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u306e\u914d\u5217(2\u6b21\u5143\u914d\u5217)\u3092\u53d7\u3051\u53d6\u308a\u3001\u305d\u308c\u3092Object\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3042\u308b\u3002\nlet socketID_codeObject = Object.fromEntries(socketID_code.entries());\n\/\/Object\u306b\u5909\u63db\u3059\u308b\u3002\nconsole.log(socketID_codeObject);\n\nconsole.log(&quot;--Object\u3092Map Object\u306b\u5909\u63db\u3059\u308b\u3002--&quot;);\n\n\/\/ Object\u3092foreach\u6587\u3067\u8868\u793a\u3055\u305b\u308b\u3002\n\/\/ Object.entries(Object) \u306f\u3001Object\u306e\u5404\u30d7\u30ed\u30d1\u30c6\u30a3\u3092 [key, value] \u306e\u5f62\u5f0f\u3067\u6301\u3064\u914d\u5217\u3068\u3057\u3066\u8fd4\u3059\u3002\nObject.entries(socketID_codeObject).forEach(element =&gt; console.log(&quot;element = &quot;+element));\n\n\/\/ Object.entries(socketID_codeObject)\u3067Object\u30922\u6b21\u5143\u914d\u5217\u306b\u5909\u63db\u3059\u308b\u3002\n\/\/ new Map(2\u6b21\u5143\u914d\u5217)\u3067Map Object\u306e\u5909\u63db\u3059\u308b\u3002\nconst socketID_codeMap = new Map(Object.entries(socketID_codeObject));\n\/\/Object\u306b\u5909\u63db\u3059\u308b\u3002\nconsole.log(socketID_codeMap);\n\n\/\/socketID_codeMap\u306ekey\u3068value\u3092\u5168\u3066\u8868\u793a\u3055\u305b\u308b\u3002\nsocketID_codeMap.forEach((value, key) =&gt; {\n  console.log(`Key: ${key}, Value: ${value}`);\n});\n\n\/*\n--Map Object\u3092Object\u306b\u5909\u63db\u3059\u308b\u3002--\nelement = (2) [&#039;socket1&#039;, &#039;code1&#039;]\nelement = (2) [&#039;socket2&#039;, &#039;code2&#039;]\nelement = (2) [&#039;socket3&#039;, &#039;code3&#039;]\n{socket1: &#039;code1&#039;, socket2: &#039;code2&#039;, socket3: &#039;code3&#039;}\n--Object\u3092Map Object\u306b\u5909\u63db\u3059\u308b\u3002--\nelement = socket1,code1\nelement = socket2,code2\nelement = socket3,code3\nMap(3) {size: 3, socket1 =&gt; code1, socket2 =&gt; code2, socket3 =&gt; code3}\nKey: socket1, Value: code1\nKey: socket2, Value: code2\nKey: socket3, Value: code3\n*\/\n\n<\/code><\/pre>\n\n\n\n<script type=\"text\/javascript\">\njQuery(function($){\n$(\".jp-video\").hide();\n});\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Map Object\u3092Object\u306b\u5909\u63db\u3059\u308b\u3002Object\u3092Map Object\u306b\u5909\u63db\u3059\u308b\u3002Map Object\u3068Object\u306f\u76f8\u4e92\u5909\u63db\u53ef\u80fd\u3067\u3042\u308b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-3959","post","type-post","status-publish","format-standard","hentry","category-javascript"],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/attacktube.com\/index.php?rest_route=\/wp\/v2\/posts\/3959","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/attacktube.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/attacktube.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/attacktube.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/attacktube.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3959"}],"version-history":[{"count":1,"href":"http:\/\/attacktube.com\/index.php?rest_route=\/wp\/v2\/posts\/3959\/revisions"}],"predecessor-version":[{"id":3960,"href":"http:\/\/attacktube.com\/index.php?rest_route=\/wp\/v2\/posts\/3959\/revisions\/3960"}],"wp:attachment":[{"href":"http:\/\/attacktube.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3959"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/attacktube.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3959"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/attacktube.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3959"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}