{"id":1859,"date":"2022-03-31T02:49:34","date_gmt":"2022-03-30T17:49:34","guid":{"rendered":"https:\/\/engineering.webstudio168.jp\/?p=1859"},"modified":"2024-07-18T17:29:53","modified_gmt":"2024-07-18T08:29:53","slug":"javascript-dollar-means","status":"publish","type":"post","link":"https:\/\/engineering.webstudio168.jp\/blog\/javascript-dollar-means\/","title":{"rendered":"JavaScript\u306b\u304a\u3051\u308b\u300c$\uff08\u30c9\u30eb\u30de\u30fc\u30af\uff09\u300d\u306e\u610f\u5473\u3068\u4f7f\u3044\u65b9"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/engineering.webstudio168.jp\/blog\/javascript-dollar-means\/#%E6%96%87%E5%AD%97%E3%80%8C%EF%BC%88%E3%83%89%E3%83%AB%EF%BC%89%E3%80%8D%E3%81%A8%E3%81%97%E3%81%A6%E3%81%AE%E5%88%A9%E7%94%A8\" >\u6587\u5b57\u300c$\uff08\u30c9\u30eb\uff09\u300d\u3068\u3057\u3066\u306e\u5229\u7528<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/engineering.webstudio168.jp\/blog\/javascript-dollar-means\/#jQuery%E3%82%92%E5%88%A9%E7%94%A8%E3%81%97%E3%81%A6%E3%81%84%E3%82%8B%E6%9C%80%E4%B8%AD%E3%81%AB%E3%80%8C%E3%80%8D%E3%82%92%E4%BD%BF%E3%81%86\" >jQuery\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u6700\u4e2d\u306b\u300c$\u300d\u3092\u4f7f\u3046<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/engineering.webstudio168.jp\/blog\/javascript-dollar-means\/#%E3%83%86%E3%83%B3%E3%83%97%E3%83%AC%E3%83%BC%E3%83%88%E3%83%AA%E3%83%86%E3%83%A9%E3%83%AB%E5%86%85%E3%81%A7%E3%81%AE%E5%88%A9%E7%94%A8\" >\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30ea\u30c6\u30e9\u30eb\u5185\u3067\u306e\u5229\u7528<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/engineering.webstudio168.jp\/blog\/javascript-dollar-means\/#%E6%AD%A3%E8%A6%8F%E8%A1%A8%E7%8F%BE%E3%81%AB%E3%81%8A%E3%81%91%E3%82%8B\" >\u6b63\u898f\u8868\u73fe\u306b\u304a\u3051\u308b$<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/engineering.webstudio168.jp\/blog\/javascript-dollar-means\/#%E3%81%BE%E3%81%A8%E3%82%81\" >\u307e\u3068\u3081<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">JavaScript\u5185\u3067\u4f7f\u7528\u3055\u308c\u308b\u300c$\uff08\u30c9\u30eb\u30de\u30fc\u30af\u3001\u30c0\u30e9\u30fc\uff09\u300d\u306b\u306f4\u901a\u308a\u306e\u5229\u7528\u30b7\u30fc\u30f3\u304c\u3042\u308a\u307e\u3059\u3002<br>1\u3064\u306f\u3001<mark style=\"background-color:#ffd900\" class=\"has-inline-color\">\u6587\u5b57\u5217\u3067\u4f7f\u7528\u3055\u308c\u308b<\/mark>\u5834\u9762\u30012\u3064\u76ee\u306f<mark style=\"background-color:#ffd900\" class=\"has-inline-color\">jQuery<\/mark>\u95a2\u9023\u30013\u3064\u76ee\u306f<mark style=\"background-color:#ffd900\" class=\"has-inline-color\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30ea\u30c6\u30e9\u30eb\u5185<\/mark>\u3067\u306e\u4f7f\u7528\u3001\u305d\u3057\u30664\u3064\u76ee\u306f<mark style=\"background-color:#ffd900\" class=\"has-inline-color\">\u6b63\u898f\u8868\u73fe\u306e\u4e2d<\/mark>\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u308c\u305e\u308c\u306e\u5229\u7528\u5834\u9762\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u203b<a href=\"https:\/\/engineering.webstudio168.jp\/blog\/javascript-question-means\/\">\u300c\uff1f\uff08\u306f\u3066\u306a\u30de\u30fc\u30af\u3001\u30af\u30a8\u30b9\u30c1\u30e7\u30f3\uff09\u300d\u306b\u3064\u3044\u3066<\/a>\u3082\u4f75\u305b\u3066\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"wp-block-cocoon-blocks-balloon-ex-box-1 speech-wrap sb-id-4 sbs-flat sbp-l sbis-cb cf block-box\"><div class=\"speech-person\"><figure class=\"speech-icon\"><img decoding=\"async\" src=\"https:\/\/engineering.webstudio168.jp\/blog\/wp-content\/uploads\/2022\/03\/face01.jpg\" alt=\"\u60a9\u898b\u5742 \u6953\" class=\"speech-icon-image\"\/><\/figure><div class=\"speech-name\">\u60a9\u898b\u5742 \u6953<\/div><\/div><div class=\"speech-balloon\">\n<p class=\"wp-block-paragraph\">\u300c$\u300d\u3063\u3066\u6025\u306b\u51fa\u3066\u304f\u308b\u3068\u4f55\u304b\u610f\u5473\u308f\u304b\u3089\u306a\u304f\u306a\u308b\u3057<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-cocoon-blocks-balloon-ex-box-1 speech-wrap sb-id-1 sbs-flat sbp-r sbis-cb cf block-box\"><div class=\"speech-person\"><figure class=\"speech-icon\"><img decoding=\"async\" src=\"https:\/\/engineering.webstudio168.jp\/blog\/wp-content\/uploads\/2022\/03\/face03.jpg\" alt=\"\u8457\u8005\" class=\"speech-icon-image\"\/><\/figure><div class=\"speech-name\">\u8457\u8005<\/div><\/div><div class=\"speech-balloon\">\n<p class=\"wp-block-paragraph\">\u30d1\u30bf\u30fc\u30f3\u3092\u6574\u7406\u3057\u3066\u304a\u3051\u3070\u5168\u304f\u6c17\u306b\u306a\u3089\u306a\u3044\u3067\u3059\u3088<\/p>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3061\u306a\u307f\u306bDart\u8a00\u8a9e\u306e\u300c$\u300d\u306b\u3064\u3044\u3066\u306f\u5225\u9014\u307e\u3068\u3081\u3066\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u6c17\u306b\u306a\u308b\u65b9\u306f\u305d\u3061\u3089\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-qootechweb wp-block-embed-qootechweb\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"ewqzqIOYtX\"><a href=\"https:\/\/engineering.webstudio168.jp\/blog\/dart-dollar-flutter\/\">Dart\u8a00\u8a9e\u3067\u306e\u300c$\u300d\u30c9\u30eb\u30de\u30fc\u30af\u306e\u6271\u3044\u65b9\u3010Flutter\u3011<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201cDart\u8a00\u8a9e\u3067\u306e\u300c$\u300d\u30c9\u30eb\u30de\u30fc\u30af\u306e\u6271\u3044\u65b9\u3010Flutter\u3011\u201d \u2014 QooTechWEB-\u958b\u767a\u30ed\u30b0\u30fb\u5b9f\u52d9\u8a18\u9332\u30d6\u30ed\u30b0\" src=\"https:\/\/engineering.webstudio168.jp\/blog\/dart-dollar-flutter\/embed\/#?secret=GapVAHvEav#?secret=ewqzqIOYtX\" data-secret=\"ewqzqIOYtX\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6481058887327275\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-6481058887327275\" data-ad-slot=\"6649918654\" data-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins><script>(adsbygoogle = window.adsbygoogle || []).push({});<\/script>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%96%87%E5%AD%97%E3%80%8C%EF%BC%88%E3%83%89%E3%83%AB%EF%BC%89%E3%80%8D%E3%81%A8%E3%81%97%E3%81%A6%E3%81%AE%E5%88%A9%E7%94%A8\"><\/span>\u6587\u5b57\u300c$\uff08\u30c9\u30eb\uff09\u300d\u3068\u3057\u3066\u306e\u5229\u7528<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306f\u57fa\u672c\u4e2d\u306e\u57fa\u672c\u306a\u306e\u3067\u3055\u3089\u3063\u3068\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-file=\"sample.js\" data-lang=\"JavaScript\"><code>let textObj = &quot;It costs $100.&quot;;<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u5fdc\u89e3\u8aac\u3057\u307e\u3059\u3068\u3001\u30c6\u30ad\u30b9\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306etextObj\u5909\u6570\u3001&#8221;It costs <strong>$<\/strong>100.&#8221;\u306e\u4e2d\u306b\u300c100\u30c9\u30eb\u300d\u3068\u3044\u3046\u610f\u5473\u3067\u6587\u5b57\u5217\u306e\u4e00\u90e8\u3068\u3057\u3066\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u554f\u984c\u306a\u3044\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<div class=\"wp-block-cocoon-blocks-balloon-ex-box-1 speech-wrap sb-id-4 sbs-flat sbp-l sbis-cb cf block-box\"><div class=\"speech-person\"><figure class=\"speech-icon\"><img decoding=\"async\" src=\"https:\/\/engineering.webstudio168.jp\/blog\/wp-content\/uploads\/2022\/03\/face01.jpg\" alt=\"\u60a9\u898b\u5742 \u6953\" class=\"speech-icon-image\"\/><\/figure><div class=\"speech-name\">\u60a9\u898b\u5742 \u6953<\/div><\/div><div class=\"speech-balloon\">\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306f\u3055\u3059\u304c\u306b\u5206\u304b\u308b\u308f\u3041<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"jQuery%E3%82%92%E5%88%A9%E7%94%A8%E3%81%97%E3%81%A6%E3%81%84%E3%82%8B%E6%9C%80%E4%B8%AD%E3%81%AB%E3%80%8C%E3%80%8D%E3%82%92%E4%BD%BF%E3%81%86\"><\/span>jQuery\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u6700\u4e2d\u306b\u300c$\u300d\u3092\u4f7f\u3046<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">jQuery\u3067\u306f\u3001\u6163\u4f8b\u7684\u306b\u30bb\u30ec\u30af\u30bf\u3092\u6307\u5b9a\u3059\u308b\u969b\u306b<code>$('.className')<\/code>\u306e\u3088\u3046\u306a\u4f7f\u3044\u65b9\u3092\u3057\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-file=\"sample.js\" data-lang=\"JavaScript\"><code>$(function(){\n  $(&#39;.anyClassName&#39;).addClass(&#39;activeClassName&#39;);\n});<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u306b\u3082\u300c$\u300d\u304c\u767b\u5834\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3067\u3059\u304c\u3001\u6c17\u306b\u306a\u308a\u307e\u305b\u3093\u304b\uff1f\uff1f\u306a\u305c\u300c$()\u300d\u306e\u3088\u3046\u306a\u4f7f\u3044\u65b9\u3092jQuery\u3067\u3059\u308b\uff08\u3057\u3066\u3044\u308b\uff09\u306e\u304b\u2026\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8aac\u660e\u3059\u308b\u3068\u9577\u304f\u306a\u308a\u305d\u3046\u306a\u306e\u3067\u5225\u9014\u8a18\u4e8b\u3092\u4f5c\u6210\u3057\u307e\u3059\u304c\u3001\u8aa4\u89e3\u3092\u304a\u305d\u308c\u305a\u7c21\u5358\u306b\u8aac\u660e\u3059\u308b\u3068\u3001\u3053\u308c\u306f\u300c$\u300d\u3068\u3044\u3046\u5909\u6570\u304c\u305f\u307e\u305f\u307e\u7a7a\u3044\u3066\u3044\u305f\u306e\u3067\u3001jQuery=$\u306b\u3057\u3061\u3083\u3048\uff01\u3068\u3044\u3046\u3053\u3068\u304c\u767a\u7aef\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3069\u3046\u3044\u3046\u3053\u3068\u304b\u3068\u8a00\u3046\u3068\u300c$\u300d\u306fjQuery\u7279\u6709\u306e\u5ba3\u8a00\u3084\u304a\u307e\u3058\u306a\u3044\u3060\u3068\u601d\u3063\u3066\u3044\u308b\u65b9\u3082\u591a\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u300c$\u300d\u306f\u5358\u306a\u308b\u5909\u6570\u3067\u3059\u3002\u8ab0\u3082\u4f7f\u3044\u305d\u3046\u306b\u306a\u3044\u304b\u3089jQuery\u672c\u4f53\u3092\u4f5c\u3063\u305f\u4eba\u305f\u3061\u304c\u5909\u6570$\u306bjQuery\uff08\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff09\u3092\u7a81\u3063\u8fbc\u3093\u3067\u3044\u308b\u3060\u3051\u306a\u3093\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u3053\u3067\u6b21\u306e\u4f8b\u3092\u898b\u308b\u3068\u300c$\u300d\u306b\u300cjQuery\uff08\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff09\u300d\u3092\u7a81\u3063\u8fbc\u3093\u3067\u3044\u308b\u3060\u3051\u3060\u3068\u3044\u3046\u3053\u3068\u304c\u5206\u304b\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-file=\"sample.js\" data-lang=\"JavaScript\"><code>jQuery(function(){\n  jQuery(&#39;.anyClassName&#39;).addClass(&#39;activeClassName&#39;);\n});<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u300c$\u300d\u3092\u4f7f\u308f\u305a\u3001\u300cjQuery\u300d\u3068\u8a18\u8ff0\u3057\u3066\u3044\u307e\u3059\u3002\u300c$\u300d\u3092\u4f7f\u3063\u3066\u3044\u307e\u305b\u3093\u304c\u5148\u307b\u3069\u306e\u300c$\u300d\u3092\u4f7f\u3063\u305f\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3068\u5168\u304f\u540c\u3058\u52d5\u4f5c\u3092\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u300cjQuery\uff08\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff09\u300d\u3092\u5909\u6570\u300c$\u300d\u306b\u4ee3\u5165\u3057\u3066\u3044\u308b\u304b\u3089\u306a\u3093\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u306e\u3067\u4f55\u3067\u300c$\u300d\u3084\u306d\u3093\u3001\u3068\u601d\u3063\u305f\u3089\u305f\u307e\u305f\u307e\u7a7a\u3044\u3066\u308b\u5909\u6570\u3060\u3063\u305f\u304b\u3089\u3001\u3068\u8efd\u304f\u6d41\u3057\u3066\u3057\u307e\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6481058887327275\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-6481058887327275\" data-ad-slot=\"6649918654\" data-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins><script>(adsbygoogle = window.adsbygoogle || []).push({});<\/script>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%83%86%E3%83%B3%E3%83%97%E3%83%AC%E3%83%BC%E3%83%88%E3%83%AA%E3%83%86%E3%83%A9%E3%83%AB%E5%86%85%E3%81%A7%E3%81%AE%E5%88%A9%E7%94%A8\"><\/span>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30ea\u30c6\u30e9\u30eb\u5185\u3067\u306e\u5229\u7528<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306f\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u898b\u305f\u65b9\u304c\u65e9\u3044\u306e\u3067\u6b21\u306e\u4f8b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-file=\"sample.js\" data-lang=\"JavaScript\"><code>let myName = &quot;Hades&quot;;\nlet introduceMe = ` \/\/ \u6ce8\u610f\uff09\u30b7\u30f3\u30b0\u30eb\u30af\u30a9\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u306a\u304f\u30d0\u30c3\u30af\u30af\u30a9\u30fc\u30c8\u3067\u56f2\u3046\u3053\u3068\nMy name is ${myName}. Nice to meet you!\n`;<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30ea\u30c6\u30e9\u30eb\u306b\u3064\u3044\u3066\u3082\u5225\u30da\u30fc\u30b8\u306b\u307e\u3068\u3081\u3066\u3042\u308b\u306e\u3067\u3001\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30ea\u30c6\u30e9\u30eb\u3092\u77e5\u3089\u306a\u3044\u65b9\u306f\u4e0b\u8a18\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-qootechweb wp-block-embed-qootechweb\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"Fs4k2BorI4\"><a href=\"https:\/\/engineering.webstudio168.jp\/blog\/javascript-template-reteral\/\">JavaScript\u306e\u6587\u5b57\u5217\u3092\u30b9\u30c3\u30ad\u30ea\u8907\u6570\u884c\u3067\u66f8\u304f\u65b9\u6cd5\u3010\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30ea\u30c6\u30e9\u30eb\u3011<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201cJavaScript\u306e\u6587\u5b57\u5217\u3092\u30b9\u30c3\u30ad\u30ea\u8907\u6570\u884c\u3067\u66f8\u304f\u65b9\u6cd5\u3010\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30ea\u30c6\u30e9\u30eb\u3011\u201d \u2014 QooTechWEB-\u958b\u767a\u30ed\u30b0\u30fb\u5b9f\u52d9\u8a18\u9332\u30d6\u30ed\u30b0\" src=\"https:\/\/engineering.webstudio168.jp\/blog\/javascript-template-reteral\/embed\/#?secret=4K4QMAOUjP#?secret=Fs4k2BorI4\" data-secret=\"Fs4k2BorI4\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30ea\u30c6\u30e9\u30eb\u3092\u4f7f\u3046\u3068\u3001\u6587\u5b57\u5217\u3092\u8907\u6570\u884c\u306b\u307e\u305f\u3044\u3067\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306a\u4e0a\u306b\u3001\u30b9\u30b3\u30fc\u30d7\u5185\u306e\u5909\u6570\u3092\u6587\u5b57\u5217\u5185\u306b\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u308c\u304c\u300c${myName}\u300d\u306e\u90e8\u5206\u3067\u3059\u3002$\u306b{}\uff08\u4e2d\u62ec\u5f27\uff09\u3092\u4ed8\u3051\u3001\u4e2d\u306b\u5909\u6570\u540d\u3092\u5165\u308c\u308b\u3053\u3068\u3067\u3001\u5ba3\u8a00\u6e08\u306e\u5909\u6570\u306e\u5024\u3092\u6587\u5b57\u5217\u306b\u7a81\u3063\u8fbc\u3080\u3053\u3068\u304c\u51fa\u6765\u308b\u306e\u3067\u3059\u3002\u4fbf\u5229\u306a\u306e\u3067\u662f\u975e\u4f7f\u3063\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002ECMAScript 2015 (ES 6) \u304b\u3089\u306eJavaScript\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u307b\u307c\u30d6\u30e9\u30a6\u30b6\u3092\u7db2\u7f85\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u7a4d\u6975\u7684\u306b\u4f7f\u3063\u3066\u3082\u554f\u984c\u306a\u3044\u5834\u5408\u306e\u65b9\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A3%E8%A6%8F%E8%A1%A8%E7%8F%BE%E3%81%AB%E3%81%8A%E3%81%91%E3%82%8B\"><\/span>\u6b63\u898f\u8868\u73fe\u306b\u304a\u3051\u308b$<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u898f\u8868\u73fe\u3082\u8aac\u660e\u3057\u51fa\u3059\u3068\u65e5\u304c\u66ae\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u3055\u3089\u3063\u3068$\u306b\u3064\u3044\u3066\u3060\u3051\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u898f\u8868\u73fe\u306e\u4f8b\u3092\u6319\u3052\u308b\u3068\u5358\u7d14\u306a\u3082\u306e\u3067\u306f\u90f5\u4fbf\u756a\u53f7\u306e\u59a5\u5f53\u6027\u30c1\u30a7\u30c3\u30af\u306a\u3069\u306b\u7528\u3044\u308b\u300c^\\d{3}-\\d{4}$\u300d\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u3063\u304b\u308a\u300c$\u300d\u3044\u307e\u3059\u306d\u3002\u6b63\u898f\u8868\u73fe\u306b\u304a\u3051\u308b\u300c$\u300d\u306f\u300c<mark style=\"background-color:#ffd900\" class=\"has-inline-color\">\u76f4\u524d\u306e\u6587\u5b57\u304c\u884c\u306e\u672b\u5c3e\u306b\u3042\u308b\u5834\u5408\u306b\u30de\u30c3\u30c1\u3059\u308b<\/mark>\u300d\u3068\u3044\u3046\u610f\u5473\u5408\u3044\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u307b\u3069\u306e\u90f5\u4fbf\u756a\u53f7\u3067\u3042\u308c\u3070\u3001\u300c\\d{4}\u300d\u304c\u884c\u306e\u672b\u5c3e\u306b\u3042\u308c\u3070\u30de\u30c3\u30c1\u3001\u4f8b\u3048\u30704567\u3068\u3044\u3046\u6570\u5b57\u304c\u3042\u308c\u3070\u30de\u30c3\u30c1\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3061\u306a\u307f\u306b\u3067\u3059\u304c\u300c\\d{4}\u300d\u306f4\u6841\u306e\u6574\u6570\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u30014567\u3067\u30821234\u3067\u30828192\u3067\u3082\u30de\u30c3\u30c1\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001\u5fd8\u308c\u304c\u3061\u3067\u3059\u304c\u6b63\u898f\u8868\u73fe\u3092\u4f7f\u3063\u305f\u7f6e\u63db\u306e\u969b\u306b\u3082\u300c$\u300d\u304c\u767b\u5834\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-file=\"sample.js\" data-lang=\"JavaScript\"><code>let re = \/(\\w+)\\s(\\w+)\/;\nlet str = &#39;Hades Persephone&#39;;\nlet newstr = str.replace(re, &#39;$2, $1&#39;);\nconsole.log(newstr);  \/\/ Persephone, Hades \u304c\u51fa\u529b\u3055\u308c\u307e\u3059<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">replace()\u95a2\u6570\u3092\u4f7f\u3063\u305f\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\u3002\u3053\u3053\u306b\u3082\u300c$\u300d\u304c\u51fa\u3066\u304d\u307e\u3059\u3002$2,$1\u306f\u305d\u308c\u305e\u308c\u6700\u521d\u306e\u884c\u306e(\\w+)\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u7f6e\u63db\u5f8c\u306b\u3069\u3053\u306b\u8868\u793a\u3059\u308b\u304b\u3092\u8996\u899a\u7684\u306b\u5206\u304b\u308a\u3084\u3059\u304f\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u3001&#8217;$2, $1&#8217;\u306e\u3088\u3046\u306b\u7f6e\u63db\u5f8c\u306e\u30a4\u30e1\u30fc\u30b8\u304c\u77ac\u6642\u306b\u5224\u65ad\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u4e0a\u8a18\u306e\u4f8b\u3067\u306f1\u756a\u76ee\u306e\u540d\u524d\uff08\u6587\u5b57\u5217\uff09\u30682\u756a\u76ee\u3092\u5165\u308c\u66ff\u3048\u3066\u7f6e\u63db\u3057\u3066\u51fa\u529b\u3059\u308b\u3001\u3068\u3044\u3046\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3060\u3068\u304a\u5206\u304b\u308a\u3044\u305f\u3060\u3051\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f59\u8ac7\u3067\u3059\u304c\u3001JavaScript\u306e\u6b63\u898f\u8868\u73fe\u306b\u3064\u3044\u3066\u5225\u9014\u8a18\u4e8b\u3092\u307e\u3068\u3081\u307e\u3057\u305f\u306e\u3067\u3001\u662f\u975e\u3054\u53c2\u8003\u306b\u306a\u3055\u3063\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-qootechweb wp-block-embed-qootechweb\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"4uLE6qTdZw\"><a href=\"https:\/\/engineering.webstudio168.jp\/blog\/javascript-regular-expression\/\">\u3010JavaScript\u3011\u6b63\u898f\u8868\u73fe\u306e\u4f7f\u3044\u65b9\u3068\u30b5\u30f3\u30d7\u30eb\u4e00\u89a7<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201c\u3010JavaScript\u3011\u6b63\u898f\u8868\u73fe\u306e\u4f7f\u3044\u65b9\u3068\u30b5\u30f3\u30d7\u30eb\u4e00\u89a7\u201d \u2014 QooTechWEB-\u958b\u767a\u30ed\u30b0\u30fb\u5b9f\u52d9\u8a18\u9332\u30d6\u30ed\u30b0\" src=\"https:\/\/engineering.webstudio168.jp\/blog\/javascript-regular-expression\/embed\/#?secret=HhrdPnovx5#?secret=4uLE6qTdZw\" data-secret=\"4uLE6qTdZw\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6481058887327275\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-6481058887327275\" data-ad-slot=\"6649918654\" data-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins><script>(adsbygoogle = window.adsbygoogle || []).push({});<\/script>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%81%BE%E3%81%A8%E3%82%81\"><\/span>\u307e\u3068\u3081<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>$\u306f\u6587\u5b57\u5217\u306e\u4e00\u90e8\uff08\u5358\u306a\u308b\u6587\u5b57\uff09\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u308b<\/li>\n\n\n\n<li>$\u306fjQuery\u306e\u4ee3\u66ff\u5909\u6570\u3068\u3057\u3066\u5229\u7528\u3055\u308c\u308b<\/li>\n\n\n\n<li>$\u306f\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30ea\u30c6\u30e9\u30eb\u5185\u306e\u5909\u6570\u306e\u547c\u3073\u51fa\u3057\u306b\u4f7f\u308f\u308c\u308b<\/li>\n\n\n\n<li>$\u306f\u6b63\u898f\u8868\u73fe\u306e\u300c\u76f4\u524d\u306e\u6587\u5b57\u5217\u304c\u30de\u30c3\u30c1\u300d\u3068\u8868\u73fe\u3055\u308c\u308b\u3002<\/li>\n\n\n\n<li>\u6b63\u898f\u8868\u73fe\u306e\u7f6e\u63db\u3067\u306f\u3001$1,$2,$3\u306a\u3069\u3001\u5de6\u304b\u3089\u9806\u756a\u306b(\u2026\u2026)\u306e\u7f6e\u63db\u30d1\u30bf\u30fc\u30f3\u3068\u3057\u3066\u8868\u73fe\u3055\u308c\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<p 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