{"id":36661,"date":"2022-09-09T16:59:37","date_gmt":"2022-09-09T07:59:37","guid":{"rendered":"https:\/\/kinsta.com\/jp\/?p=36661&#038;post_type=knowledgebase&#038;preview_id=36661"},"modified":"2025-10-02T04:49:07","modified_gmt":"2025-10-01T19:49:07","slug":"what-is-jquery","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/what-is-jquery\/","title":{"rendered":"jQuery\u3068\u306f\u2500\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067\u6700\u3082\u4f7f\u308f\u308c\u3066\u3044\u308bJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u57fa\u790e"},"content":{"rendered":"<p>15\u5e74\u4ee5\u4e0a\u524d\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308b<a href=\"https:\/\/kinsta.com\/jp\/blog\/javascript-libraries\/#jquery\" rel=\"noopener\">jQuery<\/a>\u306e\u767b\u5834\u306f\u3001\u30a6\u30a7\u30d6\u958b\u767a\u696d\u754c\u306b\u5927\u304d\u306a\u885d\u6483\u3092\u4e0e\u3048\u307e\u3057\u305f\u3002\u8907\u96d1\u306a<a href=\"https:\/\/kinsta.com\/blog\/best-programming-language-to-learn\/#javascript\" rel=\"noopener\">JavaScript\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0<\/a>\u3092\u7c21\u7565\u5316\u3057\u3066\u304f\u308c\u308bjQuery\u306f\u3001\u30ad\u30e3\u30c3\u30c1\u30b3\u30d4\u30fc\u3067\u3042\u308b\u300cWrite less, do more.\u300d\uff08\u5c11\u306a\u3044\u8a18\u8ff0\u3067\u3001\u3088\u308a\u591a\u304f\u306e\u3053\u3068\u3092\uff09\u3092\u4f53\u73fe\u3057\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u65e5\u3067\u3082\u3001jQuery\u306f\u591a\u304f\u306e\u30d7\u30ed\u306e\u958b\u767a\u8005\u306b\u611b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u521d\u5fc3\u8005\u3067\u3082\u3001\u3053\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3048\u3070\u3001\u30b5\u30a4\u30c8\u306b\u9ad8\u5ea6\u306a\u6a5f\u80fd\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001<a href=\"https:\/\/kinsta.com\/web-development\/\" rel=\"noopener\">\u30a6\u30a7\u30d6\u958b\u767a<\/a>\u306e\u9769\u547d\u5150\u3001jQuery\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u3054\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<div><\/div><kinsta-auto-toc heading=\"Table of Contents\" exclude=\"last\" list-style=\"arrow\" selector=\"h2\" count-number=\"-1\"><\/kinsta-auto-toc>\n<h2>jQuery\u306e\u8a55\u4fa1<\/h2>\n<p>StackOverflow\u304c2022\u5e74\u306b\u884c\u3063\u305f\u3001<a href=\"https:\/\/survey.stackoverflow.co\/2022\/#most-popular-technologies-webframe-prof\" target=\"_blank\" rel=\"noopener noreferrer\">\u30d7\u30ed\u306e\u958b\u767a\u8005\u304c\u4f7f\u3046\u30a6\u30a7\u30d6\u6280\u8853<\/a>\u306b\u95a2\u3059\u308b\u8abf\u67fb\u306b\u3088\u308b\u3068\u30014\u4e075,000\u4eba\u4ee5\u4e0a\u306e\u56de\u7b54\u8005\u306e\u3046\u3061\u3001\u7d0429%\u304cjQuery\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3068\u306e\u3053\u3068\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/javascript-libraries\/#the-most-popular-javascript-libraries\" rel=\"noopener\">JavaScript\u30e9\u30a4\u30d6\u30e9\u30ea<\/a>\u306e\u4e2d\u3067jQuery\u306f\u30012011\u5e74\u306bFacebook\uff08\u73feMeta\uff09\u306b\u3088\u308a\u958b\u767a\u3055\u308c\u305f<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-react-js\/\" rel=\"noopener\">React.js<\/a>\uff08\u958b\u767a\u8005\u306e44\uff05\u4ee5\u4e0a\u304c\u5229\u7528\uff09\u306b\u6b21\u3044\u3067\u30012\u4f4d\u306b\u30e9\u30f3\u30af\u30a4\u30f3\u3002<\/p>\n<figure id=\"attachment_131764\" aria-describedby=\"caption-attachment-131764\" style=\"width: 1024px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/08\/stackoverflow-2022-web-technologies-survey.png\" alt=\"Screenshot with jQuery among popular technologies in StackOverflow's 2022 developer survey.\" width=\"1024\" height=\"490\"><figcaption id=\"caption-attachment-131764\" class=\"wp-caption-text\">2022\u5e74\u306e\u30a6\u30a7\u30d6\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u6280\u8853\u306e\u4f7f\u7528\u5206\u5e03\uff08\u51fa\u5178: <a href=\"https:\/\/survey.stackoverflow.co\/2022\/\" target=\"_blank\" rel=\"noopener noreferrer\">StackOverflow<\/a>\uff09<\/figcaption><\/figure>\n<p>\u3057\u304b\u3057\u3001\u30a6\u30a7\u30d6\u958b\u767a\u8005\u306e\u73fe\u5728\u9032\u884c\u5f62\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u3059\u3079\u3066\u3092\u7269\u8a9e\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002BuiltWith\u306e<a href=\"https:\/\/trends.builtwith.com\/javascript\/jQuery\" target=\"_blank\" rel=\"noopener noreferrer\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u6280\u8853\u30c8\u30ec\u30f3\u30c9<\/a>\u306b\u3088\u308c\u3070\u30012022\u5e74\u306b\u306f8,000\u4e07\u4ee5\u4e0a\u306e\u30b5\u30a4\u30c8\u3067jQuery\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306fReact.js\u306e\u7d041,100\u4e07\u4ef6\u3092\u5927\u304d\u304f\u5f15\u304d\u96e2\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n<p>jQuery\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u300110\u5e74\u4ee5\u4e0a\u524d\u304b\u3089WordPress\u30b3\u30a2\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u304a\u308a\u3001\u3053\u308c\u3092\u4f7f\u3063\u3066\u3001\u4f55\u767e\u3082\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/fastest-wordpress-theme\/\">\u30c6\u30fc\u30de<\/a>\u306b\u52d5\u7684\u306a\u6a5f\u80fd\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-vs-drupal\/\" rel=\"noopener\">Drupal<\/a>\u3082\u307e\u305f\u3001\u30b3\u30a2\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u3057\u3066jQuery\u3092\u642d\u8f09\u3057\u305f\u4eba\u6c17\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/content-management-system\/\" rel=\"noopener\">\u30b3\u30f3\u30c6\u30f3\u30c4\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0<\/a>\uff08CMS\uff09\u3002\u958b\u767a\u8005\u306b\u3088\u3063\u3066\u4f7f\u7528\u3059\u308b\u30a6\u30a7\u30d6\u6280\u8853\u306f\u7570\u306a\u308a\u307e\u3059\u304c\u3001jQuery\u304c\u30a6\u30a7\u30d6\u4e0a\u3067\u6700\u3082\u4f7f\u7528\u3055\u308c\u3066\u3044\u308bJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308b\u3053\u3068\u306f\u78ba\u56fa\u305f\u308b\u4e8b\u5b9f\u3067\u3059\u3002<\/p>\n<h2>jQuery\u306e\u6b74\u53f2<\/h2>\n<p>\u30a6\u30a7\u30d6\u306e\u8a95\u751f\u4ee5\u6765\u3001<a href=\"https:\/\/kinsta.com\/jp\/browser-market-share\/\" rel=\"noopener\">\u30d6\u30e9\u30a6\u30b6\u6226\u4e89<\/a>\u304c\u7e70\u308a\u5e83\u3052\u3089\u308c\u3001\u958b\u767a\u8005\u306f\u5e38\u306b\u305d\u306e\u72a0\u7272\u8005\u3068\u306a\u3063\u3066\u304d\u307e\u3057\u305f\u3002\u30a6\u30a7\u30d6\u958b\u767a\u8005\u306eJohn Resig\u6c0f\u304cjQuery\u3092\u767a\u8868\u3057\u305f2006\u5e74\u306b\u306f\u3001Microsoft\u306e\u30d6\u30e9\u30a6\u30b6Internet Explorer\u304c\u300110\u5e74\u524d\u306b\u512a\u4f4d\u306b\u7acb\u3063\u3066\u3044\u305f\u30cd\u30c3\u30c8\u30b9\u30b1\u30fc\u30d7\u793e\u3092\u629c\u3044\u3066\u3001<a href=\"https:\/\/www.visualcapitalist.com\/internet-browser-market-share\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u4e0d\u52d5\u306e\u5e02\u5834\u30ea\u30fc\u30c0\u30fc<\/a>\u306e\u5730\u4f4d\u3092\u78ba\u7acb\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u5f53\u6642\u3001Mozilla\u306eFirefox\u306e\u5e02\u5834\u30b7\u30a7\u30a2\u306f10\uff05\uff08Microsoft\u306f84\uff05\uff09\u3001Apple\u306eSafari\u306f\u307e\u3060\u767b\u5834\u3057\u305f\u3070\u304b\u308a\u3067\u3001\u4eca\u65e5\u5727\u5012\u7684\u306a\u5e02\u5834\u30b7\u30a7\u30a2\u3092\u8a87\u308bGoogle\u306eChrome\u306f\u307e\u3060\u5b58\u5728\u3059\u3089\u3057\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002Resig\u6c0f\u3092\u542b\u3081\u3001\u5f53\u6642\u306eJavaScript\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306f\u3001\u3059\u3079\u3066\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u52d5\u4f5c\u3059\u308b\u30b3\u30fc\u30c9\u306e\u8a18\u8ff0\u306b\u624b\u3092\u713c\u3044\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u305d\u3093\u306a\u4e2d\u3067\u3001jQuery\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3001\u5404\u30d6\u30e9\u30a6\u30b6\u306eJavaScript\u306e\u5b9f\u88c5\u65b9\u6cd5\u306e\u9055\u3044\u306b\u5bfe\u5fdc\u3057\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u51e6\u7406\u306b\u5bfe\u3057\u3066\u958b\u767a\u8005\u306e\u30b3\u30fc\u30c9\u8a18\u8ff0\u91cf\u3092\u3067\u304d\u308b\u9650\u308a\u5c11\u306a\u304f\u3067\u304d\u308b\u3088\u3046\u8003\u6848\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li>\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u5185\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-html\/\">HTML<\/a>\u8981\u7d20\u306e\u64cd\u4f5c<\/li>\n<li>CSS\u3092\u52d5\u7684\u306b\u5909\u66f4<\/li>\n<li>\u30de\u30a6\u30b9\u306e\u30af\u30ea\u30c3\u30af\u3084\u30ad\u30fc\u306e\u62bc\u4e0b\u306a\u3069\u306e\u30a4\u30d9\u30f3\u30c8\u5bfe\u5fdc<\/li>\n<li>\u518d\u8aad\u307f\u8fbc\u307f\u305b\u305a\u306b\u30da\u30fc\u30b8\u306e\u5185\u5bb9\u3092\u66f4\u65b0\u3059\u308bAjax\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u51e6\u7406<\/li>\n<\/ul>\n<p>Resig\u6c0f\u304cjQuery\u3092\u767a\u8868\u3057\u305f\u5f8c\u3001\u4ed6\u306e\u958b\u767a\u8005\u306b\u3088\u3063\u3066jQuery\u4e0a\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u69cb\u7bc9\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u8ab0\u3067\u3082\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u306a\u3063\u305f\u3082\u306e\u3082\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>jQuery UI\u3068\u306f<\/h3>\n<p><a href=\"https:\/\/jqueryui.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">jQuery UI<\/a>\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5f37\u5316\u306e\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u305f<a href=\"https:\/\/trends.builtwith.com\/javascript\/jQuery-UI\" target=\"_blank\" rel=\"noopener noreferrer\">\u4eba\u6c17\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u307e\u3068\u3081\u305f\u3082\u306e<\/a>\u3067\u3059\u3002jQuery UI\u306f\u3001jQuery\u4e0a\u306b\u69cb\u7bc9\u3055\u308c\u305f\u62e1\u5f35\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u30a8\u30d5\u30a7\u30af\u30c8\u3084\u30a6\u30a3\u30b8\u30a7\u30c3\u30c8\uff08DatePicker\u3001Progressbar\u3001Slider\u3001Spinner\u3001Tabs\u3001Collapsible\u306a\u3069\uff09\u304c\u63c3\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>jQuery\u3068JavaScript\u306e\u9055\u3044<\/h2>\n<p><strong>jQuery\u306fJavaScript\u306e\u30e9\u30a4\u30d6\u30e9\u30ea<\/strong>\u3067\u3059\u3002jQuery\u3067\u306f\u3001jQuery\u306e\u30e1\u30bd\u30c3\u30c9\uff08\u95a2\u6570\uff09\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u547d\u540d\u898f\u5247\u3092\u53cd\u6620\u3057\u305fJavaScript\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u64cd\u4f5c\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u7c21\u5358\u306a\u64cd\u4f5c\u3092\u901a\u3057\u3066\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-javascript\/#vanilla-javascript\" rel=\"noopener\">Vanilla JavaScript<\/a>\u3068jQuery\u306e\u9055\u3044\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4ee5\u4e0b\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306eHTML\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-html\">&lt;p id=\"target\"&gt;Old text&lt;\/p&gt;<\/code><\/pre>\n<p><code>&lt;p&gt;<\/code>\u30bf\u30b0\u306e<code>id<\/code>\u5c5e\u6027\u5024\u306b\u300ctarget\u300d\u306e\u5024\u304c\u5165\u3063\u305fVanilla JS\u306e\u30b3\u30fc\u30c9\u3067\u3059\u3002\u30bf\u30b0\u306e\u9593\u306e\u30c6\u30ad\u30b9\u30c8\u3092\u7f6e\u304d\u63db\u3048\u308b\u64cd\u4f5c\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-js\">const content = document.getElementById( \"target\" );\ncontent.textContent = \"New text\";<\/code><\/pre>\n<p>JavaScript\u306e<code>getElementById()<\/code>\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u300ctarget\u300d\u3068\u3044\u3046<code>id<\/code>\u5c5e\u6027\u304c\u4ed8\u3055\u308c\u305f\u6bb5\u843d\u306eHTML\u3068\u30c6\u30ad\u30b9\u30c8\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u542b\u3080\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3057\u307e\u3059\u3002\u3053\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u3001\u5909\u6570<code>content<\/code>\u306b\u4ee3\u5165\u3055\u308c\u3001<code>textContent<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u300cNew text\u300d\u306b\u5909\u66f4\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>JavaScript\u3067\u306f\u30e1\u30bd\u30c3\u30c9\u3092\u9023\u9396\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u4e0a\u8a18\u306e\u3088\u3046\u306a\u3053\u3068\u30921\u3064\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3067\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-js\"> document.getElementById( \"target\" ).textContent = \"New text\"; <\/code><\/pre>\n<p>\u3082\u3061\u308d\u3093\u3001jQuery\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3082\u9023\u9396\u53ef\u80fd\u3067\u3059\u3002jQuery\u3092\u4f7f\u3063\u3066\u300cOld text\u300d\u3092\u300cNew text\u300d\u306b\u7f6e\u304d\u63db\u3048\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-js\">$( \"#target\" ).text( \"New text\" );<\/code><\/pre>\n<p>\u30c9\u30eb\u8a18\u53f7\uff08<code>$<\/code>\uff09\u306f<code>jQuery<\/code>\u306e\u77ed\u3044\u30a8\u30a4\u30ea\u30a2\u30b9\u3067\u3001<code>( \"#target\" )<\/code>\u306fjQuery\u306e\u30bb\u30ec\u30af\u30bf\u306e\u4f8b\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u30bb\u30ec\u30af\u30bf\u306f\u5bfe\u8c61\u3068\u306a\u308b\u6bb5\u843d<code>id<\/code>\u3092\u6301\u3064HTML\u8981\u7d20\u3092\u63a2\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u3057\u3066\u3001jQuery\u306e<code>text()<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u9023\u7d50\u3055\u305b\u3066\u3001\u300cNew text\u300d\u3092\u66f8\u304d\u63db\u3048\u307e\u3059\u3002<\/p>\n<h2>\u30b5\u30a4\u30c8\u306bjQuery\u3092\u5c0e\u5165\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>jQuery\u3092\u30b5\u30a4\u30c8\u306b\u5c0e\u5165\u3059\u308b\u306b\u306f\u3001\u30b5\u30a4\u30c8\u306e\u30da\u30fc\u30b8\u3068\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30b3\u30fc\u30c9\u3092\u30ea\u30f3\u30af\u3055\u305b\u307e\u3059\u3002jQuery\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u4e0a\u304b\u3001\u4e00\u822c\u306b\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-cdn\/\" rel=\"noopener\">\u30b3\u30f3\u30c6\u30f3\u30c4\u30c7\u30ea\u30d0\u30ea\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08CDN\uff09<\/a>\u3067\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<a href=\"https:\/\/jquery.com\/download\/\" target=\"_blank\" rel=\"noopener noreferrer\">jQuery\u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3<\/a>\u306f\u3001\u516c\u5f0f\u30b5\u30a4\u30c8\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u5b9f\u904b\u7528\u306e\u9ad8\u901f\u8aad\u307f\u8fbc\u307f\u306b\u306f<a href=\"https:\/\/kinsta.com\/jp\/blog\/minify-javascript\/\">\u5727\u7e2e\u3057\u305fJavaScript<\/a>\u304c\u3001\u53ef\u8aad\u6027\u3068\u30c7\u30d0\u30c3\u30b0\u306b\u306f\u975e\u5727\u7e2e\u7248\u304c\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_131765\" aria-describedby=\"caption-attachment-131765\" style=\"width: 1017px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/08\/jquery-official-download.jpg\" alt=\"Screenshot of the official jQuery website with a download link highlighted.\" width=\"1017\" height=\"498\"><figcaption id=\"caption-attachment-131765\" class=\"wp-caption-text\">jQuery\u306e\u516c\u5f0f\u30b5\u30a4\u30c8<\/figcaption><\/figure>\n<p>\u307e\u305f\u3001jQuery\u3092\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u5229\u7528\u3059\u308b\u306b\u306f\u3001\u5c11\u3057JavaScript\u306e\u8a18\u8ff0\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u3001HTML\u5185\u3067jQuery\u3092\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-html\">&lt;script type=\"text\/javascript\" src=\"\/js\/jquery-3.6.0.min.js\"&gt;&lt;\/script&gt;\n&lt;script type=\"text\/javascript\" src=\"\/js\/my_script.js\"&gt;&lt;\/script&gt;<\/code><\/pre>\n<p>\u4e0a\u306e\u4f8b\u3067\u306f\u3001\u30d0\u30fc\u30b8\u30e7\u30f3 3.6.0\u306ejQuery\u3068\u300c<strong>my_script.js<\/strong>\u300d\u30d5\u30a1\u30a4\u30eb\u5185\u306e\u30b5\u30a4\u30c8\u56fa\u6709\u306e\u30b3\u30fc\u30c9\u304c\u3001\u30b5\u30a4\u30c8\u306e<code>\/js\/<\/code>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u4fdd\u5b58\u3055\u308c\u3066\u3044\u307e\u3059\u3002jQuery\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3001\u901a\u5e38\u3001<code>&lt;head&gt;<\/code>\u3067\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002jQuery\u306b\u4f9d\u5b58\u3059\u308b\u30b3\u30fc\u30c9\u3092\u542b\u3080JavaScript\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u30ea\u30f3\u30af\u306f\u3001\u30da\u30fc\u30b8\u306e\u4e0b\u90e8\u4ed8\u8fd1\u3001<code>&lt;body&gt;<\/code>\u30bf\u30b0\u3092\u9589\u3058\u308b\u76f4\u524d\u306b\u8a18\u8ff0\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002jQuery\u3092\u5229\u7528\u3059\u308b\u30b5\u30a4\u30c8\u56fa\u6709\u306e\u30b3\u30fc\u30c9\u306f\u3001\u5e38\u306b\u30e9\u30a4\u30d6\u30e9\u30ea\u81ea\u4f53\u3078\u306e\u30ea\u30f3\u30af\u3088\u308a\u3082<strong>\u5f8c\u306b<\/strong>\u66f8\u304f\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>CDN\u4e0a\u306ejQuery\u3092\u8aad\u307f\u8fbc\u3080<\/h3>\n<p>jQuery\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-cdn\/\">\u5805\u7262\u306aCDN\u3067<\/a>\u914d\u4fe1\u3055\u308c\u308b\u3068\u3001\u901a\u5e38\u9ad8\u901f\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002jQuery\u306f\u3001\u975e\u5e38\u306b\u5e83\u304f\u666e\u53ca\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u30b5\u30a4\u30c8\u8a2a\u554f\u8005\u304c\u3059\u3067\u306b\u30d6\u30e9\u30a6\u30b6\u3067\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u5341\u5206\u306b\u3042\u308a\u307e\u3059\u3002\u4e0a\u8a18\u306eHTML\u30b9\u30cb\u30da\u30c3\u30c8\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u66f4\u3059\u308c\u3070\u3001Cloudflare\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u30c7\u30ea\u30d0\u30ea\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-html\">&lt;script type=\"text\/javascript\" src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/jquery\/3.6.0\/jquery.min.js\"&gt;&lt;\/script&gt;\n&lt;script type=\"text\/javascript\" src=\"\/js\/my_script.js\"&gt;&lt;\/script&gt;<\/code><\/pre>\n<h3>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067jQuery\u3092\u4f7f\u7528\u3059\u308b<\/h3>\n<p>jQuery\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u969b\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306f\u3001\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u3092\u59cb\u3081\u308b\u524d\u306b\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u304c\u7d42\u4e86\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3002<code>ready()<\/code>\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u69cb\u9020\u306e\u3067\u304d\u3042\u304c\u308a\u3092\u512a\u5148\u3067\u304d\u308b\u305f\u3081\u4fbf\u5229\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-js\">$(document).ready(function() {\n  \/\/ jQuery\u306e\u5b9f\u969b\u306e\u30b3\u30fc\u30c9\u3092\u3053\u3053\u306b\u8a18\u8ff0\n});<\/code><\/pre>\n<p>jQuery\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3053\u306e\u624b\u9806\u306f\u4e00\u822c\u7684\u3067\u3042\u308b\u305f\u3081\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u958b\u767a\u8005\u306b\u3088\u308a\u7c21\u6f54\u306a\u69cb\u6587\u304c\u8003\u6848\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-js\">$(function() { \n  \/\/ jQuery\u306e\u5b9f\u969b\u306e\u30b3\u30fc\u30c9\u3092\u3053\u3053\u306b\u8a18\u8ff0\n});<\/code><\/pre>\n<h3>jQuery\u3068DOM\uff08\u9078\u629e\uff09<\/h3>\n<p>\u307b\u3068\u3093\u3069\u306ejQuery\u306e\u57fa\u76e4\u306f\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u69cb\u9020\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u3057\u3066\u30c8\u30e9\u30d0\u30fc\u30b9\u3057\uff08<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-javascript\/#the-javascript-dom\" rel=\"noopener\">DOM\uff1a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30e2\u30c7\u30eb<\/a>\uff09\u3001HTML\u5185\u306e\u3055\u307e\u3056\u307e\u306a\u8981\u7d20\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3059\u308b\u6a5f\u80fd\u306b\u3042\u308a\u307e\u3059\u3002\u8981\u7d20\uff08\u307e\u305f\u306f\u8981\u7d20\u30b0\u30eb\u30fc\u30d7\uff09\u306e\u9078\u629e\u306f\u3001\u305d\u306e\u8981\u7d20\u306e\u5916\u89b3\u3092\u5909\u66f4\u3057\u305f\u308a\u3001\u5468\u8fba\u306e\u5185\u5bb9\u3092\u66f4\u65b0\u3057\u305f\u308a\u306a\u3069\u3001\u305d\u306e\u8981\u7d20\u306b\u5bfe\u3057\u3066\u4f55\u304b\u3092\u884c\u3046\u524d\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u306a\u308a\u307e\u3059\u3002\u6700\u3082\u4e00\u822c\u7684\u306a\u30bb\u30ec\u30af\u30bf\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>HTML\u8981\u7d20\uff08\u30bf\u30b0\uff09\u540d\u3067\u6307\u5b9a<\/li>\n<li>CSS\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\uff08ID\u3084\u30af\u30e9\u30b9\u540d\u306a\u3069\uff09\u3067\u6307\u5b9a<\/li>\n<li>DOM\u8981\u7d20\u306e\u76f8\u5bfe\u7684\u4f4d\u7f6e\u3067\u6307\u5b9a<\/li>\n<li>\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5185\u5bb9\u306e\u5024\u3067\u6307\u5b9a<\/li>\n<li>\u8981\u7d20\u306e\u73fe\u5728\u306e\u72b6\u614b\u3067\u6307\u5b9a<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u3001\u4f8b\u3092\u3044\u304f\u3064\u304b\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-js\">\/\/ \u6587\u66f8\u5185\u306e\u3059\u3079\u3066\u306eHTML\u6bb5\u843d\u30bf\u30b0\u3092\u9078\u629e\u3059\u308b\n$( \"p\" );\n\n\/\/ ID\u304c\"myID\"\u306e\u8981\u7d20\u3092\u9078\u629e\u3059\u308b\n$( \"#myID\" );\n\n\/\/ CSS\u30af\u30e9\u30b9\u540d\u304c\"myClass\"\u3067\u3042\u308b\u3059\u3079\u3066\u306e\u8981\u7d20\u3092\u9078\u629e\u3059\u308b\n$( \".myClass\" );\n\n\/\/ \u30d5\u30a9\u30fc\u30e0\u5185\u306e\u3059\u3079\u3066\u306einput\u3001textarea\u3001select\u3001button\u8981\u7d20\u3092\u9078\u629e\u3059\u308b\n$( \":input\" );\n\n\/\/ \u4ed6\u306e\u8981\u7d20\u306e\u5b50\u8981\u7d20\u3092\u9078\u629e\u3059\u308b\n\/\/ \uff08\u3053\u306e\u5834\u5408\u3001\u9806\u5e8f\u306a\u3057\u306e\u500b\u6761\u66f8\u304d\u306e\u4e2d\u8eab\uff09\n$( \"ul &gt; li\" ); \n\n\/\/ rel\u5c5e\u6027\u304c\"nofollow\"\u306e\u30a2\u30f3\u30ab\u30fc\u3092\u5168\u3066\u9078\u629e\u3059\u308b\n$( \"a[rel='nofollow']\" ); \n\n\/\/ \u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u304c\"checked\"\u72b6\u614b\u306e\u3082\u306e\u3092\u3059\u3079\u3066\u9078\u629e\u3059\u308b\n$( \"input:checked\" )<\/code><\/pre>\n<p>jQuery\u306e\u30bb\u30ec\u30af\u30bf\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001\u3055\u3089\u306b\u8a73\u7d30\u306a\u7d5e\u308a\u8fbc\u307f\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-js\">\/\/ CSS\u30af\u30e9\u30b9\"myClass\"\u3092\u6301\u3064HTML\u6bb5\u843d\u30bf\u30b0\n$( \"p.myClass\" ); \n\n\/\/ \u3069\u3053\u304b\u306b\"Kinsta\"\u3068\u3044\u3046\u30c6\u30ad\u30b9\u30c8\u304c\u3042\u308bHTML\u306e\u6bb5\u843d\n$( \"p:contains('Kinsta')\" ); \n\n\/\/ \u5c11\u306a\u304f\u3068\u3082 1 \u3064\u306e\u6bb5\u843d\u30bf\u30b0\u3092\u5185\u5305\u3059\u308bHTML\u306ediv\u30bf\u30b0\n$( \"div:has(p)\" ); \n\n\/\/ CSS \u30af\u30e9\u30b9\"myList\"\u3092\u6301\u3064\u3059\u3079\u3066\u306e\u9806\u5e8f\u306e\u306a\u3044\u30ea\u30b9\u30c8\u306e\u6700\u521d\u306e\u9805\u76ee \n$( \"ul.myList li:first\" ); <\/code><\/pre>\n<h3>jQuery\u3068DOM\uff08\u64cd\u4f5c\uff09<\/h3>\n<p>\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u5185\u306e\u8981\u7d20\u3092\u9078\u629e\u3059\u308b\u65b9\u6cd5\u3092\u78ba\u8a8d\u3057\u305f\u3068\u3053\u308d\u3067\u3001\u6b21\u306fjQuery\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u8981\u7d20\u3092\u64cd\u4f5c\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u5148\u306b\u89e6\u308c\u305f\u901a\u308a\u3001\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u9023\u9396\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306e\u8a18\u8ff0\u91cf\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3044\u304f\u3064\u304b\u306e\u4f8b\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre><code class=\"language-js\">\/\/ ID\u304c\"alert\"\u306e\u8981\u7d20\u3092\u9078\u629e\u3057\u80cc\u666f\u3092\u8d64\u306b\u3059\u308b\n$( \"#alert\" ).css( \"background-color\", \"red\" ); \n\n\/\/ ID\u304c\"alert\"\u306e\u8981\u7d20\u3092\u9078\u629e\u3057\u3001\u30af\u30e9\u30b9\"urgent\"\u3092\u8ffd\u52a0\u3059\u308b\n$( \"#alert\" ).addClass( \"urgent\" ); \n\n\/\/ \u30af\u30e9\u30b9\"myName\"\u3092\u6301\u3064\u6bb5\u843d\u3092\u63a2\u3057\u3001\u305d\u306e\u4e2d\u8eab\u3092\"Kinsta\"\u306b\u3059\u308b\n$( \"p.myName\" ).text( \"Kinsta\" );\n\n\/\/ \u4e0a\u8a18\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3068\u540c\u3058\u8981\u9818\u3067\u3042\u308b\u3082\u306e\u306e\u3001\u3053\u3061\u3089\u306fHTML\u30de\u30fc\u30af\u30a2\u30c3\u30d7\u3092\u30b5\u30dd\u30fc\u30c8\n$( \"p.myName\" ).html( \"&lt;strong&gt;Kinsta&lt;\/strong&gt;\" ); \n\n\/\/ \u3059\u3079\u3066\u306e\u30a2\u30f3\u30ab\u30fc\u306b\u5c5e\u6027\/\u5024 rel=\"nofollow\"\u3092\u8ffd\u52a0\u3059\u308b\n$( \"a\" ).attr( \"rel\", \"nofollow\" );\n\n\/\/ ID\u304c\"myDiv\"\u3067\u3042\u308b\u8981\u7d20\u3092\u96a0\u3059\uff08\u305f\u3060\u3057\u3001DOM\u306b\u306f\u6b8b\u3057\u3066\u304a\u304f\uff09\n$( \"#myDiv\" ).hide(); \n\n\/\/ \u4e0a\u3067\u975e\u8868\u793a\u306b\u306a\u3063\u305f\u8981\u7d20\u3092\u518d\u3073\u898b\u3048\u308b\u3088\u3046\u306b\u3059\u308b\n$( \"#myDiv\" ).show();\n\n\/\/ ID\u304c\"myDiv\"\u3067\u3042\u308b\u8981\u7d20\u306e\u5185\u5074\u306b\u3042\u308b\u3082\u306e\u3092DOM\u304b\u3089\u524a\u9664\u3059\u308b\n$( \"#myDiv\" ).empty(); \n\n\/\/ ID\u304c\"myDiv\"\u3067\u3042\u308b\u8981\u7d20\u5168\u4f53\u3092 DOM\u304b\u3089\u524a\u9664\u3059\u308b\n$( \"#myDiv\" ).remove();<\/code><\/pre>\n<h3>jQuery\u306e\u30a4\u30d9\u30f3\u30c8\u51e6\u7406<\/h3>\n<p>\u4e0a\u8a18\u306e\u3088\u3046\u306aDOM\u64cd\u4f5c\u306f\u3001\u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u3068\u540c\u6642\u306b\u884c\u3048\u3070\u3001\u30a6\u30a7\u30d6\u8a2a\u554f\u8005\u306b\u306f\u6c17\u3065\u304b\u308c\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001jQuery\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30de\u30a6\u30b9\u30af\u30ea\u30c3\u30af\u3001\u30de\u30a6\u30b9\u306e\u52d5\u304d\u3001\u30ad\u30fc\u5165\u529b\u306a\u3069\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u691c\u51fa\u30fb\u5fdc\u7b54\u3057\u3001\u771f\u306e\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u4f53\u9a13\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h4>\u30de\u30a6\u30b9\u30af\u30ea\u30c3\u30af\u306e\u691c\u77e5<\/h4>\n<p>\u30de\u30a6\u30b9\u30af\u30ea\u30c3\u30af\uff08\u307e\u305f\u306f\u30bf\u30c3\u30c1\u30d1\u30cd\u30eb\u306e\u30bf\u30c3\u30d7\uff09\u3078\u306e\u53cd\u5fdc\u306f\u3001\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5171\u901a\u306e\u30bf\u30b9\u30af\u3002\u3053\u306e\u4f8b\u3067\u306f\u3001jQuery\u3068HTML\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3001jQuery\u306e\u7d44\u307f\u8fbc\u307f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff08<code>event<\/code>\uff09\u3092\u6d3b\u7528\u3057\u307e\u3059\u3002\u3053\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u3001\u300c\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u300d\u306b\u95a2\u3059\u308b\u6709\u7528\u306a\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-html\">&lt;script&gt;\n\/\/ HTML\u8aad\u307f\u8fbc\u307f\u5f8c\u306b\u4ee5\u4e0b\u3092\u5b9f\u884c\n$(document).ready(function () {\n    \/\/ \u3059\u3079\u3066\u306e\u30dc\u30bf\u30f3\u8981\u7d20\u306b\"click\"\u30e1\u30bd\u30c3\u30c9\u3092\u5272\u308a\u5f53\u3066\u308b\n    \/\/ \u95a2\u6570\u306b\u3088\u308a\u3001\u30a4\u30d9\u30f3\u30c8\u306e\u8a73\u7d30\u3092\u542b\u3080\u7d44\u307f\u8fbc\u307f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u6e21\u3055\u308c\u308b\n    $( \"button\" ).click(function ( event ) { \n        \/\/ \u30dc\u30bf\u30f3\u306e\u80cc\u666f\u304c\u3059\u3079\u3066\u767d\u3067\u3042\u308b\u3088\u3046\u306b\u5ff5\u3092\u5165\u308c\u308b\n        $( \"button\" ).css( \"background-color\", \"white\" );\n        \/\/ H2\u30c6\u30ad\u30b9\u30c8\u3092\u5909\u66f4\u3059\u308b\uff08\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u30dc\u30bf\u30f3\u306eID\u3092\u8868\u793a\uff09\n        $( \"#buttonReport\" ).text(\"You clicked \" + event.target.id); \n        \/\/ \u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u30dc\u30bf\u30f3\u306e\u80cc\u666f\u8272\u3092\u8d64\u306b\u3059\u308b \n        $( \"#\" + event.target.id ).css(\"background-color\", \"red\");\n    });\n}); \n&lt;\/script&gt;\n\n&lt;h2 id=\"buttonReport\"&gt;Click a button!&lt;\/h2&gt;\n&lt;button id=\"Button1\"&gt;Button 1&lt;\/button&gt;\n&lt;button id=\"Button2\"&gt;Button 2&lt;\/button&gt;\n&lt;button id=\"Button3\"&gt;Button 3&lt;\/button&gt; <\/code><\/pre>\n<p>\u3053\u306e\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_131769\" aria-describedby=\"caption-attachment-131769\" style=\"width: 1024px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/08\/jquery-detecting-mouse-clicks.png\" alt=\"Screenshot illustrating mouse-click detection on multiple buttons.\" width=\"1024\" height=\"426\"><figcaption id=\"caption-attachment-131769\" class=\"wp-caption-text\">\u30de\u30a6\u30b9\u30af\u30ea\u30c3\u30af\u3092\u691c\u77e5<\/figcaption><\/figure>\n<h4><strong>\u30de\u30a6\u30b9\u52d5\u4f5c\u306e\u691c\u77e5<\/strong><\/h4>\n<p>\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u4e0a\u306e\u30de\u30a6\u30b9\u30ab\u30fc\u30bd\u30eb\u306e\u4f4d\u7f6e\u628a\u63e1\u306f\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3044\u3066\u91cd\u8981\u3067\u3059\u3002\u4ee5\u4e0b\u3001jQuery\u304c\u3069\u306e\u3088\u3046\u306b\u5f79\u7acb\u3064\u304b\u3001\u4f8b\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre><code class=\"language-html\">&lt;script&gt;\n$(document).ready(function () { \n    \/\/ mouseover()\u30e1\u30bd\u30c3\u30c9\u3067\u30ab\u30fc\u30bd\u30eb\u304cdiv\u306e\u4e0a\u306b\u6765\u305f\u3053\u3068\u3092\u691c\u51fa\u3059\u308b \n    $( \"div\" ).mouseover(function ( event ) { \n        \/\/ \u30ab\u30fc\u30bd\u30eb\u304c\u4e57\u3063\u3066\u3044\u308bdiv\u3092\u30b0\u30ec\u30fc\u306b\u3057\u3066\u7e26\u306b\u9577\u304f\u3059\u308b\n        $( \"#\" + event.target.id ).css({ \n           \"background-color\" : \"lightgrey\",\n           \"height\" : \"8em\"\n        });\n    }); \n    \/\/ mouseout()\u30e1\u30bd\u30c3\u30c9\u3067\u30ab\u30fc\u30bd\u30eb\u304c\u96e2\u308c\u305f\u3053\u3068\u3092\u691c\u51fa\u3059\u308b\n    $( \"div\" ).mouseout(function ( event ) { \n        \/\/ div\u306e\u30b5\u30a4\u30ba\u3068\u8272\u3092\u5143\u306e\u72b6\u614b\u306b\u623b\u3059\n        $( \"#\" + event.target.id ).css({\n           \"background-color\" : \"white\",\n            \"height\" : \"4em\"\n        });\n    });\n}); \n&lt;\/script&gt;\n\n&lt;div id=\"div1\"&gt;Div 1&lt;\/div&gt;\n&lt;div id=\"div2\"&gt;Div 2&lt;\/div&gt;\n&lt;div id=\"div3\"&gt;Div 3&lt;\/div&gt;<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u308f\u304b\u308b\u3088\u3046\u306b\u3001jQuery\u306e<code>css()<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u3001\u8907\u6570\u306eCSS\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4e00\u5ea6\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3092\u5b9f\u884c\u3057\u305f\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_131768\" aria-describedby=\"caption-attachment-131768\" style=\"width: 1024px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/08\/jquery-detecting-mouse-movement.png\" alt=\"Screenshot illustrating mouse-over detection on multiple div blocks.\" width=\"1024\" height=\"461\"><figcaption id=\"caption-attachment-131768\" class=\"wp-caption-text\">\u30de\u30a6\u30b9\u30ab\u30fc\u30bd\u30eb\u30a4\u30d9\u30f3\u30c8\u306e\u691c\u77e5<\/figcaption><\/figure>\n<h3>Ajax\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u51e6\u7406<\/h3>\n<p>jQuery\u306e\u4eba\u6c17\u306e\u79d8\u5bc6\u306f\u3001\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306eAjax\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u7c21\u7d20\u5316\u3057\u3066\u304f\u308c\u308b\u3068\u3053\u308d\u306b\u3042\u308a\u307e\u3059\u3002\u30da\u30fc\u30b8\u3092\u518d\u8aad\u307f\u8fbc\u307f\u3059\u308b\u3053\u3068\u306a\u304f\u30b5\u30fc\u30d0\u30fc\u3068\u30c7\u30fc\u30bf\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002jQuery\u306b\u306f\u3001\u30d7\u30ec\u30fc\u30f3\u30c6\u30ad\u30b9\u30c8\u3001HTML\u3001XML\u3001JSON\u5f62\u5f0f\u306e\u30c7\u30fc\u30bf\u306b\u5bfe\u3059\u308bAjax\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u7ba1\u7406\u3059\u308b\u6a5f\u80fd\u304c\u591a\u6570\u63c3\u3063\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u4e00\u822c\u7684\u306a\u30bf\u30b9\u30af\u306b\u306f\u30b7\u30e7\u30fc\u30c8\u30cf\u30f3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002Ajax\u306e\u6271\u3044\u306b\u4fbf\u5229\u306a\u3001\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u306a\u9078\u629e\u80a2\u306e1\u3064\u304c\u3001<code>load()<\/code>\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-html\">&lt;div id=\"myContent\"&gt;Replace Me&lt;\/div&gt;\n&lt;button&gt;Load Content&lt;\/button&gt;\n\n&lt;script&gt; \n\/\/ \u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u5f8c\u3001\u30b5\u30fc\u30d0\u30fc\u304b\u3089content.php\u30d5\u30a1\u30a4\u30eb\u3092\u8981\u6c42\u3059\u308b\n\/\/ \u7d50\u679c\u3092ID\"myContent\"\u306eHTML\u8981\u7d20\u306b\u7d44\u307f\u8fbc\u3080\n$( \"button\" ).click( function (){ \n    $( \"#myContent\" ).load( \"content.php\" );\n}); \n&lt;\/script&gt;<\/code><\/pre>\n<p>\u305f\u3063\u305f3\u884c\u306e<a href=\"https:\/\/kinsta.com\/javascript\/\">JavaScript<\/a>\u30682\u3064\u306eHTML\u8981\u7d20\u3067\u3059\u304c\u3001\u3055\u307e\u3056\u307e\u306a\u3053\u3068\u304c\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u304c\u305d\u306e\u7d50\u679c\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_131771\" aria-describedby=\"caption-attachment-131771\" style=\"width: 984px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/08\/jquery-ajax-handling-with-load-method.png\" alt=\"Screenshot of a text area on a website before and after an Ajax request.\" width=\"984\" height=\"375\"><figcaption id=\"caption-attachment-131771\" class=\"wp-caption-text\">load()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3048\u3070\u30da\u30fc\u30b8\u306e\u518d\u8aad\u307f\u8fbc\u307f\u306a\u3057\u3067\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8ffd\u52a0\u3067\u304d\u308b<\/figcaption><\/figure>\n<h3>jQuery UI\u306e\u4f7f\u7528\u65b9\u6cd5<\/h3>\n<p>jQuery UI\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u8ffd\u52a0\u3059\u308b\u3068\u3001jQuery\u306e\u30b3\u30a2\u30e9\u30a4\u30d6\u30e9\u30ea\u4e0a\u306b\u69cb\u7bc9\u3057\u305f\u3055\u307e\u3056\u307e\u306a\u30a8\u30d5\u30a7\u30af\u30c8\u3084\u30a6\u30a3\u30b8\u30a7\u30c3\u30c8\u304c\u5229\u7528\u3067\u304d\u307e\u3059\u3002jQuery UI\u3092\u4f7f\u3063\u3066\u3001\u30a6\u30a7\u30d6\u30d5\u30a9\u30fc\u30e0\u5185\u306b\u65e5\u4ed8\u304c\u9078\u629e\u3067\u304d\u308b\u30ab\u30ec\u30f3\u30c0\u30fc\uff08\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\uff09\u3092\u5b9f\u88c5\u3059\u308b\u4f8b\u3092\u307f\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u307e\u305a\u3001jQuery UI\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u305d\u308c\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308bCSS\u3092\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002\u4eca\u56de\u306e\u4f8b\u3067\u306f\uff08jQuery\u306e\u30b3\u30a2\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u3042\u308f\u305b\u3066\uff09Cloudflare\u306eCDN\u4e0a\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-html\">&lt;script type=\"text\/javascript\" src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/jquery\/3.6.0\/jquery.min.js\"&gt;&lt;\/script&gt; \n&lt;script type=\"text\/javascript\" src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/jqueryui\/1.13.2\/jquery-ui.min.js\"&gt;&lt;\/script&gt\n&lt;link rel=\"stylesheet\" href=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/jqueryui\/1.13.2\/themes\/base\/jquery-ui.min.css\" \/&gt;<\/code><\/pre>\n<p>\u6b21\u306b\u3001HTML\u5185\u306b\u30d5\u30a9\u30fc\u30e0\uff08<code>input<\/code>\uff09\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u8ffd\u52a0\u3057\u3001JavaScript\u3092\u4ecb\u3057\u3001\u30bb\u30ec\u30af\u30bf\u3092\u6307\u5b9a\u3057\u306a\u304c\u3089jQuery UI\u306e<code>datepicker()<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-html\">&lt;label for=\"myDate\"&gt;Date:&lt;\/label&gt;\n&lt;input type=\"text\" id=\"myDate\" name=\"myDate\"&gt;\n\n&lt;script&gt;\n$( function() { \n    $( \"#myDate\" ).datepicker();\n} );\n&lt;\/script&gt; <\/code><\/pre>\n<p><code>input<\/code>\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u65e5\u4ed8\u9078\u629e\u306e\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_131771\" aria-describedby=\"caption-attachment-131771\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/08\/jquery-ui-library-datepicker.png\" alt=\"Screenshot of a jQuery UI date-picker in use.\" width=\"900\" height=\"317\"><figcaption id=\"caption-attachment-131771\" class=\"wp-caption-text\">jQuery UI\u306eDatepicker<\/figcaption><\/figure>\n<h2>WordPress\u3067jQuery\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>jQuery\u30e9\u30a4\u30d6\u30e9\u30ea\u306fWordPress\u306b\u540c\u68b1\u3055\u308c\u3066\u304a\u308a\u3001\u591a\u304f\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/fastest-wordpress-theme\/\">WordPress\u30c6\u30fc\u30de<\/a>\u3067\u91cd\u8981\u306a\u69cb\u6210\u8981\u7d20\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u304a\u6301\u3061\u306e\u30c6\u30fc\u30de\u3067\u307e\u3060 jQuery\u304c\u6d3b\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3067\u3082\u3001WordPress\u5185\u306eJavaScript\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u7406\u89e3\u3059\u308c\u3070\u3001jQuery\u306e\u30b3\u30fc\u30c9\u3092\u5473\u65b9\u306b\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u5177\u4f53\u7684\u306b\u306f\u3001\u30c6\u30fc\u30de\u306e\u4e00\u90e8\u3067\u3042\u308b<strong>functions.php<\/strong>\u30d5\u30a1\u30a4\u30eb\u3092\u7de8\u96c6\u3057\u307e\u3059\u3002\u30c6\u30fc\u30de\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306b\u3088\u3063\u3066\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u4e0a\u66f8\u304d\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u307e\u305a<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-child-theme\/\" rel=\"noopener\">\u5b50\u30c6\u30fc\u30de\u3092\u4f5c\u6210<\/a>\u3057\u3001\u305d\u3053\u3067<strong>functions.php<\/strong>\u30d5\u30a1\u30a4\u30eb\u3092\u5b89\u5168\u306b\u7de8\u96c6\u3059\u308b\u306e\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002\u5c11\u306a\u304f\u3068\u3082\u3001<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-backups\/#wordpress-backup#create-wordpress-backup\" rel=\"noopener\">WordPress\u30b5\u30a4\u30c8\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u3068\u3063\u3066<\/a>\u304b\u3089\u4f5c\u696d\u3092\u884c\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>functions.php\u3067jQuery\u306eJavaScript\u3092\u6271\u3046<\/h3>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/ftp-vs-sftp\/\" rel=\"noopener\">FTP\u3084SFTP<\/a>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4f7f\u3063\u3066\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30fb\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u9593\u3067<strong>functions.php<\/strong>\u30d5\u30a1\u30a4\u30eb\u3092\u8ee2\u9001\u3057\u305f\u308a\u3001\u7de8\u96c6\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-user-roles\/\">WordPress\u30b5\u30a4\u30c8\u306e\u7ba1\u7406<\/a>\u306f\u3082\u3063\u3068\u7c21\u5358\u3067\u3001CMS\u4e0a\u3067<strong>functions.php<\/strong>\u3092\u7de8\u96c6\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u7ba1\u7406\u753b\u9762\u304b\u3089\u300c<strong>\u5916\u89b3<\/strong>\u300d\uff1e\u300c<strong>\u30c6\u30fc\u30de\u30a8\u30c7\u30a3\u30bf\u30fc<\/strong>\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_131772\" aria-describedby=\"caption-attachment-131772\" style=\"width: 1024px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/08\/launching-theme-file-editor.jpg\" alt=\"Screenshot showing menu options to launch the WordPress Theme File Editor.\" width=\"1024\" height=\"605\"><figcaption id=\"caption-attachment-131772\" class=\"wp-caption-text\">\u30c6\u30fc\u30de\u30d5\u30a1\u30a4\u30eb\u306e\u7de8\u96c6\u753b\u9762\u3092\u958b\u304f<\/figcaption><\/figure>\n<p>\u53f3\u5074\u306e\u30e1\u30cb\u30e5\u30fc\u306b\u3042\u308b\u300c<strong>Theme Functions<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1024px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/08\/theme-file-editor-view.jpg\" alt=\"Screenshot highlighting functions.php in a list of files within the Theme File Editor.\" width=\"1024\" height=\"473\"><figcaption class=\"wp-caption-text\">\u30c6\u30fc\u30de\u30a8\u30c7\u30a3\u30bf\u30fc\u306e\u4e2d\u8eab<\/figcaption><\/figure>\n<p><strong>functions.php<\/strong>\u30d5\u30a1\u30a4\u30eb\u306e\u4e2d\u8eab\u306f\u3001\u6709\u52b9\u306a\u30c6\u30fc\u30de\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u4e0a\u8a18\u306f<a href=\"https:\/\/kinsta.com\/blog\/twenty-twenty-one-theme\/\" rel=\"noopener\">Twenty Twenty-One<\/a>\u30c6\u30fc\u30de\u306e\u95a2\u6570\u3067\u3059\u3002WordPress\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u95a2\u6570<code>wp_enqueue_script()<\/code>\u3092\u4f7f\u3063\u3066\u3001\u30b5\u30a4\u30c8\u306e\u8a2d\u5b9a\u306b\u597d\u307f\u306ejQuery\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u95a2\u6570\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-php\">wp_enqueue_script( $handle, $src, $deps, $ver, $in_footer );<\/code><\/pre>\n<p>\u305d\u3057\u3066\u3001\u305d\u306e\u610f\u5473\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>$handle<\/strong>\uff1a\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u7d10\u4ed8\u3051\u3089\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u540d\u524d\uff08jQuery\u306e\u30b3\u30a2\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3001WordPress\u306b<strong>jquery<\/strong>\u3068\u3044\u3046\u30cf\u30f3\u30c9\u30eb\u540d\u3067\u767b\u9332\u6e08\u307f\uff09<\/li>\n<li><strong>$src<\/strong>\uff1aJavaScript\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u6307\u3059\u30d1\u30b9\u3068\u30d5\u30a1\u30a4\u30eb\u540d\u307e\u305f\u306fURL<\/li>\n<li><strong>$deps<\/strong>\uff1a\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u6b63\u3057\u304f\u6a5f\u80fd\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u3068\u306a\u308b\u3001\u305d\u306e\u4ed6\u306eJavaScript\u30bd\u30fc\u30b9\u306e\u30cf\u30f3\u30c9\u30eb<\/li>\n<li><strong>$ver<\/strong>\uff1aJavaScript\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u4efb\u610f\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7<\/li>\n<li><strong>$in_footer<\/strong>\uff1a\u300c<strong>true<\/strong>\u300d\u306b\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u30da\u30fc\u30b8\u306e\u6700\u4e0b\u90e8\u4ed8\u8fd1\u306b\u8ffd\u52a0\u3055\u308c\u308b\uff08\u3053\u306e\u8a2d\u5b9a\u3092\u884c\u308f\u306a\u3044\u3068\u3001<code>&lt;head&gt;<\/code>\u30d6\u30ed\u30c3\u30af\u306b\u52a0\u3048\u3089\u308c\u308b\uff09<\/li>\n<\/ul>\n<p>\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u30ad\u30e5\u30fc\u306b\u5165\u3063\u305f\u5f8c\u3001<code>add_action()<\/code>\u95a2\u6570\u3067\u30da\u30fc\u30b8\u306b\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001<strong>functions.php<\/strong>\u30d5\u30a1\u30a4\u30eb\u306e\u4e00\u756a\u4e0b\u306b\u3053\u306e\u3088\u3046\u306a\u30d6\u30ed\u30c3\u30af\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-php\">\/\/ 'my_custom_scripts'\u306f\u4efb\u610f\u306e\u95a2\u6570\u540d\nfunction my_custom_scripts() {\n    wp_enqueue_script( \n       'my_script'\n       get_template_directory_uri() . '\/assets\/js\/my_script.js',\n       array( 'jquery', 'jquery-ui-core', 'jquery-ui-datepicker' ),\n       '1.0',\n       true ); \n} \nadd_action( 'wp_enqueue_scripts', 'my_custom_scripts' );<\/code><\/pre>\n<p>\u4e0a\u8a18\u3067\u306f\u3001\u65b0\u898fjQuery\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u30cf\u30f3\u30c9\u30eb\u540d<strong>my_script<\/strong>\u304c\u4e0e\u3048\u3089\u308c\u3001WordPress\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u95a2\u6570<code>get_template_directory_uri()<\/code>\u306e\u6d3b\u8e8d\u306b\u3088\u308a\u30c6\u30fc\u30de\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u3001JavaScript\u30d5\u30a1\u30a4\u30eb\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-a-url\/\">URL<\/a>\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u4ed6\u306e\u30cf\u30f3\u30c9\u30eb\u306e\u914d\u5217\u306f\u3001<strong>my_script<\/strong>\u304cjQuery core\u3001jQuery-UI core\u3001jQuery-UI datepicker\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u4f9d\u5b58\u3059\u308b\u3053\u3068\u3092WordPress\u306b\u4f1d\u3048\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f71.0\u3092\u5272\u308a\u5f53\u3066\u3001\u30da\u30fc\u30b8\u306e\u4e0b\u90e8\u8fd1\u304f\u306b\u8a18\u8ff0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>WordPress\u3067CDN\u304b\u3089jQuery\u3092\u8aad\u307f\u8fbc\u3080\u65b9\u6cd5<\/h3>\n<p>jQuery\u304c\u3042\u3089\u3086\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u30c7\u30ea\u30d0\u30ea\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u53d6\u5f97\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u306f\u3001\u3054\u5b58\u77e5\u306e\u901a\u308a\u3067\u3059\u3002\u307e\u305f\u3001WordPress\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u3001jQuery\u3068\u591a\u304f\u306ejQuery\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u3001\u30ed\u30fc\u30ab\u30eb\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u8aad\u307f\u8fbc\u3080\u4ed5\u69d8\u3067\u3059\u3002<\/p>\n<p>\u65e2\u5b58\u306e<strong>jquery<\/strong>\u30cf\u30f3\u30c9\u30eb\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u8a2d\u5b9a\u60c5\u5831\u3092\u524a\u9664\u3057\u3066\u66f8\u304d\u306a\u304a\u3059\u3053\u3068\u3067\u3001\u305d\u306e\u6319\u52d5\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001<strong>functions.php<\/strong>\u306b <code>wp_deregister_script()<\/code>\u95a2\u6570\u304b\u3089\u59cb\u307e\u308b\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-php\">\/\/ 'my_custom_scripts'\u306f\u4efb\u610f\u306e\u95a2\u6570\u540d\nfunction my_custom_scripts() {\n    wp_deregister_script('jquery');\n    wp_register_script(\n        'jquery', \n        'https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/jquery\/3.6.0\/jquery.min.js',\n         null,\n        '3.6.0',\n         False\n    ); \n    wp_enqueue_script( \n        'my_script'\n        get_template_directory_uri() . '\/assets\/js\/my_script.js',\n        array( 'jquery', 'jquery-ui-core', 'jquery-ui-datepicker' ),\n        '1.0',\n        true\n    ); \n } \nadd_action( 'wp_enqueue_scripts', 'my_custom_scripts' );<\/code><\/pre>\n<p><strong>jquery<\/strong>\u30cf\u30f3\u30c9\u30eb\u304cCloudflare CDN\u4e0a\u306ejQuery\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u3001\u30ed\u30fc\u30ab\u30eb\u306e<strong>my_script<\/strong>\u306e\u4f9d\u5b58\u95a2\u4fc2\u3068\u3057\u3066\u6b8b\u308a\u307e\u3059\u3002\u540c\u3058\u65b9\u6cd5\u3067\u3001\u4ed6\u306ejQuery\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08jQuery-UI\u306a\u3069\uff09\u3092CDN\u304b\u3089\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>jQuery\u3068WordPress\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u300c<a href=\"https:\/\/kinsta.com\/blog\/jquery-is-not-defined\/\" rel=\"noopener\">jQuery Is Not Defined<\/a>\u300d\u306a\u3069\u306e\u30a8\u30e9\u30fc\u306b\u3064\u306a\u304c\u308b\u8a2d\u5b9a\u306e\u554f\u984c\u3092\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u65b9\u6cd5\u3082\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n<h2>\u307e\u3068\u3081<\/h2>\n<p>15\u5e74\u4ee5\u4e0a\u306b\u308f\u305f\u308a\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308bjQuery\u306f\u3001\u3067\u304d\u308b\u3060\u3051\u5c11\u306a\u3044\u30b3\u30fc\u30c9\u306e\u8a18\u8ff0\u3067\u3001\u30ea\u30c3\u30c1\u304b\u3064\u52d5\u7684\u306a\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3057\u305f\u3044\u958b\u767a\u8005\u3092\u652f\u3048\u3066\u304d\u307e\u3057\u305f\u3002\u305d\u3057\u3066\u73fe\u5728\u3001jQuery\u306f\u3001\u6700\u3082\u591a\u304f\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067\u4f7f\u308f\u308c\u3066\u3044\u308bJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002<\/p>\n<p>WordPress\u306a\u3069\u306e\u4eba\u6c17\u30b3\u30f3\u30c6\u30f3\u30c4\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u306b\u3082\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u4ed6\u306eJavaScript\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306b\u3088\u3063\u3066\u4f5c\u6210\u3055\u308c\u305fjQuery\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3082\u6574\u3044\u3001\u958b\u767a\u306e\u7d4c\u9a13\u3092\u554f\u308f\u305a\u3001\u30b5\u30a4\u30c8\u306b\u9ad8\u5ea6\u306a\u6a5f\u80fd\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u307e\u3067\u53ef\u80fd\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>jQuery\u3092\u4f7f\u7528\u3057\u305f\u30b5\u30a4\u30c8\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u69cb\u7bc9\u3092\u304a\u8003\u3048\u306e\u65b9\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/pricing\/\" rel=\"noopener\">Kinsta\u306e\u30de\u30cd\u30fc\u30b8\u30c9WordPress\u5c02\u7528\u30b5\u30fc\u30d0\u30fc\u30d7\u30e9\u30f3<\/a>\u3068<a href=\"https:\/\/sevalla.com\/application-hosting\/\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff06\u30de\u30cd\u30fc\u30b8\u30c9\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b5\u30fc\u30d0\u30fc<\/a>\u3092\u305c\u3072\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>15\u5e74\u4ee5\u4e0a\u524d\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eJavaScript\u30e9 &#8230;<\/p>\n","protected":false},"author":259,"featured_media":36662,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[482,576,577],"topic":[777],"class_list":["post-36661","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-javascript","tag-jquery","tag-languages","topic-javascript-frameworks"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>jQuery\u3068\u306f\u2500\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067\u6700\u3082\u4f7f\u308f\u308c\u3066\u3044\u308bJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u57fa\u790e<\/title>\n<meta name=\"description\" content=\"\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308bjQuery\u306f\u3001\u958b\u767a\u8005\u306b\u3088\u308b\u7c21\u6f54\u306a\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3067\u306e\u52d5\u7684\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u69cb\u7bc9\u3092\u652f\u63f4\u3057\u3066\u304f\u308c\u307e\u3059\u3002\u8a73\u3057\u304f\u306f\u3001\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-jquery\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"jQuery\u3068\u306f\u2500\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067\u6700\u3082\u4f7f\u308f\u308c\u3066\u3044\u308bJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u57fa\u790e\" \/>\n<meta property=\"og:description\" content=\"\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308bjQuery\u306f\u3001\u958b\u767a\u8005\u306b\u3088\u308b\u7c21\u6f54\u306a\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3067\u306e\u52d5\u7684\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u69cb\u7bc9\u3092\u652f\u63f4\u3057\u3066\u304f\u308c\u307e\u3059\u3002\u8a73\u3057\u304f\u306f\u3001\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kinsta.com\/jp\/blog\/what-is-jquery\/\" \/>\n<meta property=\"og:site_name\" content=\"Kinsta\u00ae\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Kinsta-Japan-334616080691171\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-09-09T07:59:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-01T19:49:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2022\/09\/what-is-jquery.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1460\" \/>\n\t<meta property=\"og:image:height\" content=\"730\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Steve Bonisteel\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:description\" 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