{"id":5379,"date":"2024-03-17T19:22:37","date_gmt":"2024-03-17T10:22:37","guid":{"rendered":"https:\/\/attacktube.com\/?p=5379"},"modified":"2024-03-24T15:34:37","modified_gmt":"2024-03-24T06:34:37","slug":"%e3%80%90javascript%e3%80%91%e9%85%8d%e5%88%97%e3%82%92%e3%82%b3%e3%83%94%e3%83%bc%e3%82%b7%e3%83%a3%e3%83%ad%e3%83%bc%e3%82%b3%e3%83%94%e3%83%bc%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/attacktube.com\/?p=5379","title":{"rendered":"\u3010JavaScript\u3011\u914d\u5217\u3092\u30b3\u30d4\u30fc(\u30b7\u30e3\u30ed\u30fc\u30b3\u30d4\u30fc)\u3059\u308b"},"content":{"rendered":"\n<p>\u914d\u5217\u3092\u30b3\u30d4\u30fc(\u30b7\u30e3\u30ed\u30fc\u30b3\u30d4\u30fc)\u3092\u3059\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<p>\u30b9\u30d7\u30ec\u30c3\u30c8\u69cb\u6587\u3001Array.prototype.slice()\u30e1\u30bd\u30c3\u30c9\u3001Array.from()\u30e1\u30bd\u30c3\u30c9\u306f\u914d\u5217\u3092\u30b7\u30e3\u30ed\u30fc\u30b3\u30d4\u30fc\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<pre><code>\nconst tt = [1, 2, 3, 4]\nconst tt1 = [...tt];\nconst tt2 = tt.slice();\nconst tt3 = Array.from(tt);\n\ntt1[0] += 1;\ntt1.forEach((element, i) =&gt; {\n  console.log(&#039;tt1[&#039; + i + &#039;] = &#039; + element);\n});\n\nconsole.log(&#039;----&#039;);\n\ntt2[0] += 2;\ntt2.forEach((element, i) =&gt; {\n  console.log(&#039;tt2[&#039; + i + &#039;] = &#039; + element);\n});\n\nconsole.log(&#039;----&#039;);\n\ntt3[0] += 3;\ntt3.forEach((element, i) =&gt; {\n  console.log(&#039;tt3[&#039; + i + &#039;] = &#039; + element);\n});\n\nconsole.log(&#039;----&#039;);\n\ntt.forEach((element, i) =&gt; {\n  console.log(&#039;tt[&#039; + i + &#039;] = &#039; + element);\n});\n\n\/*\ntt1[0] = 2 \ntt1[1] = 2 \ntt1[2] = 3 \ntt1[3] = 4 \n---- \ntt2[0] = 3 \ntt2[1] = 2 \ntt2[2] = 3 \ntt2[3] = 4 \n---- \ntt3[0] = 4 \ntt3[1] = 2 \ntt3[2] = 3 \ntt3[3] = 4 \n---- \ntt[0] = 1 \ntt[1] = 2 \ntt[2] = 3 \ntt[3] = 4\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>\u914d\u5217\u3092\u30b3\u30d4\u30fc(\u30b7\u30e3\u30ed\u30fc\u30b3\u30d4\u30fc)\u3092\u3059\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-5379","post","type-post","status-publish","format-standard","hentry","category-javascript"],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/attacktube.com\/index.php?rest_route=\/wp\/v2\/posts\/5379","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/attacktube.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/attacktube.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/attacktube.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/attacktube.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5379"}],"version-history":[{"count":3,"href":"https:\/\/attacktube.com\/index.php?rest_route=\/wp\/v2\/posts\/5379\/revisions"}],"predecessor-version":[{"id":5406,"href":"https:\/\/attacktube.com\/index.php?rest_route=\/wp\/v2\/posts\/5379\/revisions\/5406"}],"wp:attachment":[{"href":"https:\/\/attacktube.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5379"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/attacktube.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5379"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/attacktube.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}