{"id":3673,"date":"2023-04-22T12:31:20","date_gmt":"2023-04-22T03:31:20","guid":{"rendered":"https:\/\/taitan916.info\/blog\/?p=3673"},"modified":"2023-05-12T18:50:07","modified_gmt":"2023-05-12T09:50:07","slug":"post-3673","status":"publish","type":"post","link":"https:\/\/taitan916.info\/blog\/archives\/3673","title":{"rendered":"JavaScript\u3067body\u30bf\u30b0\u5185\u306b\u7279\u5b9a\u306eClass\u8981\u7d20\u304c\u8ffd\u52a0\u3055\u308c\u305f\u969b\u30a4\u30d9\u30f3\u30c8\u3092\u767a\u706b\u3055\u305b\u308b\u65b9\u6cd5"},"content":{"rendered":"

ASP\u3092\u4f7f\u7528\u3057\u305f\u30b5\u30a4\u30c8\u3067\u30da\u30fc\u30b8\u5185\u306b\u7279\u5b9a\u306eClass\u8981\u7d20\u304c\u8ffd\u52a0\u3055\u308c\u305f\u969b\u306bJS\u3067\u30a4\u30d9\u30f3\u30c8\u3092\u767a\u706b\u3055\u305b\u305f\u3044\u3068\u3044\u3046\u6848\u4ef6\u304c\u3042\u3063\u305f\u3002\u901a\u5e38\u3067\u3042\u308c\u3070Class\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u969b\u306b\u5f53\u8a72\u30a4\u30d9\u30f3\u30c8\u3092\u5b9f\u884c\u3059\u308c\u3070\u3088\u3055\u305d\u3046\u3060\u304c\u3001Class\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u90e8\u5206\u3092ASP\u5074\u3067\u5236\u5fa1\u3057\u3066\u3044\u305f\u305f\u3081\u901a\u5e38\u306e\u65b9\u6cd5\u304c\u53d6\u3089\u308c\u306a\u304b\u3063\u305f\u3002\u4ee5\u4e0b\u306b\u5bfe\u5fdc\u65b9\u6cd5\u3092\u30e1\u30e2\u3002<\/p>\n

 <\/p>\n

MutationObserver\u3092\u4f7f\u7528\u3059\u308b<\/h2>\n

DOM\u306e\u5909\u5316\u3092\u76e3\u8996\u3059\u308bMutationObserver\u3068\u3044\u3046\u6a5f\u80fd\u3092\u4f7f\u3046\u306e\u304c\u826f\u3055\u305d\u3046\u3002\u4ee5\u4e0b\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3002<\/p>\n

https:\/\/developer.mozilla.org\/ja\/docs\/Web\/API\/MutationObserver<\/a><\/p>\n

 <\/p>\n

\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/h2>\n
<html lang=\"ja\">\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text\/html; charset=UTF-8\">\r\n<title>MutationObserver\u306e\u30c6\u30b9\u30c8<\/title>\r\n<\/head>\r\n<body>\r\n\r\n    <p id=\"msg\"><\/p>\r\n\r\n    <script>\r\n    const body = document.body;\r\n\r\n    \/\/\u76e3\u8996\u958b\u59cb\r\n    const observer = new MutationObserver(records => {\r\n\r\n        \/\/.test\u3068\u3044\u3046Class\u3092\u898b\u3064\u3051\u305f\u5834\u5408\r\n        if( document.querySelector('.test') !== null ){\r\n\r\n            \/\/\u76e3\u8996\u3092\u7d42\u4e86\u3057\u3001\u30a2\u30e9\u30fc\u30c8\u3092\u8868\u793a\r\n            observer.disconnect(alert('success!'));\r\n        }\r\n    });\r\n\r\n    observer.observe(body, {\r\n        childList: true, \/\/\u76f4\u63a5\u306e\u5b50\u8981\u7d20\u3092\u30c1\u30a7\u30c3\u30af\r\n        subtree: true \/\/\u5168\u3066\u306e\u5b50\u5b6b\u8981\u7d20\u3092\u30c1\u30a7\u30c3\u30af\r\n    });\r\n\r\n    \/\/5\u79d2\u5f8c\u306b#msg\u5185\u306b.test\u8981\u7d20\u3092\u633f\u5165\r\n    setTimeout(function(){\r\n        const msg = document.getElementById('msg');\r\n        msg.innerHTML = '<span class=\"test\">msg<\/span>';\r\n    }, 5000);\r\n\r\n    <\/script>\r\n<\/body>\r\n<\/html><\/pre>\n
\u4e0a\u8a18\u306e\u5834\u5408\u3060\u3068\u30da\u30fc\u30b8\u3092\u8868\u793a\u3057\u305f5\u79d2\u5f8c\u306b<p id=\"msg\">\u5185\u306b<span class=\"test\">\u304c\u633f\u5165\u3055\u308c\u3001\u305d\u308c\u3092MutationObserver\u3067\u898b\u3064\u3051\u3066\u30a2\u30e9\u30fc\u30c8\u3092\u8868\u793a\u3059\u308b\u3068\u3044\u3046\u5185\u5bb9\u3002\u5ff5\u306e\u305f\u3081\u4ee5\u4e0b\u30b5\u30f3\u30d7\u30eb\u30da\u30fc\u30b8\u3002<\/p>\n
https:\/\/taitan916.info\/sample\/MutationObserver\/<\/a><\/p>\n
 <\/p>\n
\u6240\u611f<\/h2>\n
MutationObserver\u3068\u3044\u3046\u306e\u306f\u77e5\u3089\u306a\u304b\u3063\u305f\u305f\u3081\u6700\u521d\u306fsetInterval\u3067\u7121\u7406\u3084\u308a\u76e3\u8996\u3059\u308b\u5f62\u3092\u53d6\u308d\u3046\u3068\u3057\u305f\u304c\u3001\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306e\u898b\u305f\u76ee\u3084\u30d6\u30e9\u30a6\u30b6\u3078\u306e\u8ca0\u8377\u7684\u306a\u9762\u3067\u3069\u3046\u306a\u306e\u304b\u3068\u60a9\u307e\u3057\u304b\u3063\u305f\u3002\u4eca\u56de\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u306f\u3042\u3093\u307e\u308a\u7121\u3055\u305d\u3046\u3067\u306f\u3042\u308b\u304cJS\u3067DOM\u76e3\u8996\u304c\u3067\u304d\u308b\u3068\u3044\u3046\u306e\u306f\u899a\u3048\u3066\u304a\u304d\u305f\u3044\u3068\u3053\u308d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
ASP\u3092\u4f7f\u7528\u3057\u305f\u30b5\u30a4\u30c8\u3067\u30da\u30fc\u30b8\u5185\u306b\u7279\u5b9a\u306eClass\u8981\u7d20\u304c\u8ffd\u52a0\u3055\u308c\u305f\u969b\u306bJS\u3067\u30a4\u30d9 ... <\/p>\n","protected":false},"author":1,"featured_media":1067,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-3673","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/3673","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/comments?post=3673"}],"version-history":[{"count":0,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/3673\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media\/1067"}],"wp:attachment":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media?parent=3673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/categories?post=3673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/tags?post=3673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}