{"id":538,"date":"2026-08-07T07:22:28","date_gmt":"2026-08-07T07:22:28","guid":{"rendered":"https:\/\/www.mushtake.com\/?p=538"},"modified":"2026-09-16T10:52:22","modified_gmt":"2026-09-16T10:52:22","slug":"html-page-close","status":"publish","type":"post","link":"https:\/\/www.mushtake.com\/index.php\/2026\/08\/07\/html-page-close\/","title":{"rendered":"\u30d6\u30e9\u30a6\u30b6\u3067\u30da\u30fc\u30b8\u79fb\u52d5\u524d\u306b\u78ba\u8a8d\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u3000\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u5165\u529b\u307e\u305f\u306f\u7de8\u96c6\u4e2d\u306b\u4ed6\u306e\u30da\u30fc\u30b8\u3078\u306e\u30ea\u30f3\u30af\u3092\u8aa4\u3063\u3066\u62bc\u3057\u3066\u5165\u529b\u4e2d\u306e\u30da\u30fc\u30b8\u304c\u9589\u3058\u3066\u5165\u529b\u3057\u305f\u3082\u306e\u304c\u6d88\u3048\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u7d4c\u9a13\u3092\u3057\u305f\u65b9\u306f\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u3053\u3053\u3067\u306f\u3001Wordpress\u3067\u4ed6\u306e\u30da\u30fc\u30b8\u3078\u79fb\u52d5\u3059\u308b\u524d\u306b\u78ba\u8a8d\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3055\u305b\u3066\u3001OK\u306e\u5834\u5408\u306b\u79fb\u52d5\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div class=\"wp-block-snow-monkey-blocks-step smb-step\"><div class=\"smb-step__body\">\n<div class=\"wp-block-snow-monkey-blocks-step-item-free smb-step__item\"><div class=\"smb-step__item__title\"><span class=\"smb-step__item__number\"><\/span><span>\u30ab\u30b9\u30bf\u30e0HTML\u3092\u8ffd\u52a0<\/span><\/div><div class=\"smb-step__item__body\"><div class=\"smb-step__item__summary is-layout-constrained wp-block-snow-monkey-blocks-step-item-free-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">\u3000\u30d6\u30ed\u30c3\u30af\u3092\u8ffd\u52a0\u3067\u3001\u30ab\u30b9\u30bf\u30e0HTML\u3092\u9078\u629e\u3059\u308b\u3068\u3001\u4e0b\u306e\u753b\u9762\u306b\u306a\u308b\u306e\u3067\u3001HTML\u3092\u7de8\u96c6\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"770\" height=\"187\" src=\"https:\/\/www.mushtake.com\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-11-193301.png\" alt=\"\u30ab\u30b9\u30bf\u30e0HTML\u8ffd\u52a0\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\" class=\"wp-image-348\" srcset=\"https:\/\/www.mushtake.com\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-11-193301.png 770w, https:\/\/www.mushtake.com\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-11-193301-300x73.png 300w, https:\/\/www.mushtake.com\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-11-193301-768x187.png 768w\" sizes=\"auto, (max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-snow-monkey-blocks-step-item-free smb-step__item\"><div class=\"smb-step__item__title\"><span class=\"smb-step__item__number\"><\/span><span>JavaScript\u30b3\u30fc\u30c9\u306b\u4ee5\u4e0b\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/span><\/div><div class=\"smb-step__item__body\"><div class=\"smb-step__item__summary is-layout-constrained wp-block-snow-monkey-blocks-step-item-free-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">\u3000\u3010\u6982\u8981\u3011<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u30da\u30fc\u30b8\u3092\u30a2\u30f3\u30ed\u30fc\u30c9\uff08\u4ed6\u306e\u30da\u30fc\u30b8\u306b\u79fb\u52d5\u3001\u30da\u30fc\u30b8\u3092\u9589\u3058\u308b\u306a\u3069\u3067\u73fe\u5728\u8868\u793a\u3057\u3066\u3044\u308b\u30da\u30fc\u30b8\u304c\u6d88\u3048\u308b\uff09\u3059\u308b\u524d\u306b\u300conbeforeunload\u300d\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u305d\u306e\u6642\u306b\u300c\u3053\u306e\u30b5\u30a4\u30c8\u3092\u96e2\u308c\u307e\u3059\u304b\uff1f\u300d\u306e\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3057\u3066\u300c\u306f\u3044\u300d\u304c\u9078\u629e\u3055\u308c\u305f\u6642\u306b\u30da\u30fc\u30b8\u3092\u96e2\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3010\u8a73\u7d30\u3011<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000onbeforeunload\u6642\u306b\u78ba\u8a8d\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3055\u305b\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30d5\u30a9\u30fc\u30e0\u306b\u5165\u529b\u304c\u7121\u3044\u5834\u5408\u306f\u3001\u30da\u30fc\u30b8\u304c\u30a2\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u3066\u3082\u554f\u984c\u304c\u306a\u3044\u306e\u3067\u3001\u78ba\u8a8d\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u305d\u306e\u30b3\u30fc\u30c9\u306e\u8aac\u660e\u3092\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2783\u3067onbeforeunload\u30a4\u30d9\u30f3\u30c8\u6642\u306b\u5b9f\u884c\u3055\u308c\u308b\u95a2\u6570\u3092\u767b\u9332\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u305d\u306e\u95a2\u6570\u3067\u3001Event \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e returnValue \u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u4f55\u3089\u304b\u306e\u5024\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u78ba\u8a8d\u30c0\u30a4\u30a2\u30ed\u30b0\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d5\u30a9\u30fc\u30e0\u304c\u5909\u66f4\u3055\u308c\u305f\u3001\u30d5\u30a9\u30fc\u30e0\u306b\u5165\u529b\u304c\u3042\u3063\u305f\u6642\u306b\u3001\u2460\u3068\u2461\u3067isFormChange\u30d5\u30e9\u30b0\u304ctrue\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u30d5\u30e9\u30b0\u3067\u78ba\u8a8d\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3059\u308b\u304b\u5426\u304b\u3092\u5224\u65ad\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3053\u306e\u30b3\u30fc\u30c9\u306f\u6587\u5b57\u3092\u5165\u529b\u5f8c\u306b\u9001\u4fe1\u3092\u884c\u3046contactform7\u3092\u60f3\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u9001\u4fe1\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u305f\u3089\u3001\u30da\u30fc\u30b8\u304c\u30a2\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u3066\u3082\u554f\u984c\u304c\u306a\u3044\u306e\u3067\u3001\u78ba\u8a8d\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u305d\u306e\u30b3\u30fc\u30c9\u306e\u8aac\u660e\u3092\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2782\u3067\u9001\u4fe1\u30dc\u30bf\u30f3\u304c\u62bc\u3055\u308c\u305f\u6642\u306b\u767a\u751f\u3059\u308b\u30a4\u30d9\u30f3\u30c8\u6642\u306b\u3001\u5b9f\u884c\u3055\u308c\u308b\u95a2\u6570\u3092\u767b\u9332\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u305d\u306e\u95a2\u6570\u306b\u3001\u30da\u30fc\u30b8\u304c\u30a2\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u308b\u524d\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u7121\u52b9\u306b\u3059\u308b\u30b3\u30fc\u30c9\u300cwindow.onbeforeunload=null\u300d\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u305d\u306e\u95a2\u6570\u3092\u300cdocument.addEventListener\u300d\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code has-background\" style=\"background-color:#abb7c44f\"><code>\/\/ \u30d5\u30a9\u30fc\u30e0\u306b\u5165\u529b\u304c\u3042\u3063\u305f\u6642\u306bTrue\u306b\u306a\u308b\u30d5\u30e9\u30b0\nisFormChange = false;\n\n\/\/ \u30d5\u30a9\u30fc\u30e0\u306b\u5165\u529b\u304c\u3042\u3063\u305f\u6642\u306b\u30d5\u30e9\u30b0\u3092\u7acb\u3066\u308b\u3000<strong><mark style=\"background-color:#cf2e2e\" class=\"has-inline-color has-black-color\">\u2780<\/mark><\/strong>\ndocument.addEventListener('input', function (event) {\n  if (event.target.closest('.wpcf7')) {\n    isFormChange = true;\n  }\n});\n\n\/\/ \u30d5\u30a9\u30fc\u30e0\u306b\u5909\u66f4\u304c\u3042\u3063\u305f\u6642\u306b\u30d5\u30e9\u30b0\u3092\u7acb\u3066\u308b\u3000<strong><mark style=\"background-color:#cf2e2e\" class=\"has-inline-color\">\u2781<\/mark><\/strong>\ndocument.addEventListener('change', function (event) {\n  if (event.target.closest('.wpcf7')) {\n    isFormChange = true;\n  }\n});\n\n\/\/ \u9001\u4fe1\u30dc\u30bf\u30f3\u304c\u62bc\u3055\u308c\u305f\u30a4\u30d9\u30f3\u30c8\u3000<strong><mark style=\"background-color:#cf2e2e\" class=\"has-inline-color\">\u2782<\/mark><\/strong>\ndocument.addEventListener( 'wpcf7mailsent', function( event ) {\n    \/\/ \u30da\u30fc\u30b8\u304c\u30a2\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u308b\u524d\u306b\n    \/\/ \u767a\u751f\u3059\u308b\u30a4\u30d9\u30f3\u30c8\u3092\u7121\u52b9\u306b\u3059\u308b\n\u3000\u3000window.onbeforeunload=null;\n}, false );\n\n\/\/ \u30da\u30fc\u30b8\u304c\u30a2\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u308b\u524d\u306b\u767a\u751f\u3059\u308b\u30a4\u30d9\u30f3\u30c8\u3000<strong><mark style=\"background-color:#cf2e2e\" class=\"has-inline-color\">\u2783<\/mark><\/strong>\nwindow.onbeforeunload = function(e) {\n    \/\/ \u30d5\u30a9\u30fc\u30e0\u306b\u5165\u529b\u304c\u3042\u3063\u305f\u6642\u3001\n    \/\/ \u3053\u306e\u30b5\u30a4\u30c8\u3092\u96e2\u308c\u307e\u3059\u304b\uff1f\u306e\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\n    \/\/ \u3057\u3066\u305d\u306e\u7d50\u679c\u3092\u8fd4\u3059\n    if (isFormChange) {\n        e.returnValue = \" \";\n    }\n}<\/code><\/pre>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/www.mushtake.com\/index.php\/journal\/\"><img loading=\"lazy\" decoding=\"async\" width=\"308\" height=\"60\" src=\"https:\/\/www.mushtake.com\/wp-content\/uploads\/2026\/08\/Journal-Returm-Link.png\" alt=\"Journal\u3078\u623b\u308b\u306eLink\u30a2\u30a4\u30b3\u30f3\" class=\"wp-image-630\" style=\"object-fit:cover;width:193px;height:30px\" srcset=\"https:\/\/www.mushtake.com\/wp-content\/uploads\/2026\/08\/Journal-Returm-Link.png 308w, https:\/\/www.mushtake.com\/wp-content\/uploads\/2026\/08\/Journal-Returm-Link-300x58.png 300w\" sizes=\"auto, (max-width: 308px) 100vw, 308px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/www.mushtake.com\/\"><img loading=\"lazy\" decoding=\"async\" width=\"282\" height=\"58\" src=\"https:\/\/www.mushtake.com\/wp-content\/uploads\/2026\/09\/Home-Link-2.png\" alt=\"Home\u3078\u623b\u308b\u306eLink\u30a2\u30a4\u30b3\u30f3\" class=\"wp-image-733\" style=\"object-fit:cover;width:193px;height:30px\"\/><\/a><\/figure>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3000\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u5165\u529b\u307e\u305f\u306f\u7de8\u96c6\u4e2d\u306b\u4ed6\u306e\u30da\u30fc\u30b8\u3078\u306e\u30ea\u30f3\u30af\u3092\u8aa4\u3063\u3066\u62bc\u3057\u3066\u5165\u529b\u4e2d\u306e\u30da\u30fc\u30b8\u304c\u9589\u3058\u3066\u5165\u529b\u3057\u305f\u3082\u306e\u304c\u6d88\u3048\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u7d4c\u9a13\u3092\u3057\u305f\u65b9\u306f\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u3053\u3053\u3067\u306f\u3001Wordpress\u3067\u4ed6\u306e\u30da\u30fc\u30b8\u3078\u79fb\u52d5\u3059\u308b\u524d\u306b\u78ba\u8a8d\u30e1 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.mushtake.com\/index.php\/2026\/08\/07\/html-page-close\/\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;\u30d6\u30e9\u30a6\u30b6\u3067\u30da\u30fc\u30b8\u79fb\u52d5\u524d\u306b\u78ba\u8a8d\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a&#8221; 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