{"id":258392,"date":"2024-08-27T11:33:27","date_gmt":"2024-08-27T02:33:27","guid":{"rendered":"https:\/\/www.sejuku.net\/blog\/?p=258392"},"modified":"2025-12-26T14:38:02","modified_gmt":"2025-12-26T05:38:02","slug":"%e3%80%90javascript%e5%85%a5%e9%96%80%e3%80%91confirm%e3%81%a7%e3%80%8c%e3%81%af%e3%81%84%e3%80%8d%e3%80%8c%e3%81%84%e3%81%84%e3%81%88%e3%80%8d%e3%81%ae%e3%83%80%e3%82%a4%e3%82%a2%e3%83%ad%e3%82%b0","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/258392","title":{"rendered":"\u3010JavaScript\u5165\u9580\u3011confirm\u3067\u300c\u306f\u3044\u300d\u300c\u3044\u3044\u3048\u300d\u306e\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u51fa\u3059"},"content":{"rendered":"\n<p>\u4eca\u56de\u306f\u3001window\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3042\u308bconfirm\u306b\u3064\u3044\u3066\u3001\u3056\u3063\u304f\u308a\u3068\u89e3\u8aac\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002confirm\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306b\u78ba\u8a8d\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3055\u305b\u308b\u4e8b\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001<\/p>\n\n\n<div class=\"box01\">\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u300cconfirm\u300d\u30e1\u30bd\u30c3\u30c9\u3068\u306f\uff1f<\/strong><\/li>\n\n\n\n<li><strong>confirm\u30dc\u30bf\u30f3\u3092\u4f5c\u3063\u3066\u307f\u3088\u3046<\/strong><\/li>\n\n\n\n<li><strong>\u5909\u6570\u3092\u4f7f\u3063\u3066\u307f\u3088\u3046<\/strong><\/li>\n\n\n\n<li><strong>\u6539\u884c\u306b\u3064\u3044\u3066<\/strong><\/li>\n\n\n\n<li><strong>\u30dc\u30bf\u30f3\u3084\u30ea\u30f3\u30af\u3092\u4f7f\u304a\u3046<\/strong><\/li>\n\n\n\n<li><strong>confirm\u306e\u623b\u308a\u5024\u3067\u6761\u4ef6\u5206\u5c90<\/strong><\/li>\n\n\n\n<li><strong>\u300csubmit\u300d\u306e\u78ba\u8a8d\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u4f5c\u308d\u3046\uff01<\/strong><\/li>\n\n\n\n<li><strong>\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u3088\u3046\uff01<\/strong><\/li>\n\n\n\n<li><strong>alert(\u30a2\u30e9\u30fc\u30c8)\u3067\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3059\u308b\u65b9\u6cd5<\/strong><\/li>\n<\/ul>\n\n\n<\/div>\n\n\n\n<p>\u306a\u3069\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u300cconfirm\u300d\u30e1\u30bd\u30c3\u30c9\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>\u7686\u3055\u3093\u306fconfirm\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u305f\u4e8b\u304c\u3042\u308a\u307e\u3059\u304b\uff1f\u305d\u3082\u305d\u3082\u3001confirm\u304c\u4f55\u304b\u77e5\u3063\u3066\u3044\u307e\u3059\u304b\uff1f<\/p>\n\n\n\n<p>confirm\u3068\u306f\u3001<strong>\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u4e0a\u306b\u78ba\u8a8d\u30c0\u30a4\u30a2\u30ed\u30b0\u30dc\u30c3\u30af\u30b9\u3092\u8868\u793a\u3055\u305b\u308b\u306e\u306b\u6d3b\u8e8d\u3059\u308b\u30e1\u30bd\u30c3\u30c9<\/strong>\u306a\u3093\u3067\u3059\u3002\u78ba\u8a8d\u30c0\u30a4\u30a2\u30ed\u30b0\u3068\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u78ba\u8a8d\u3092\u8981\u6c42\u3059\u308b\u305f\u3081\u306b\u3001\u4e00\u6642\u7684\u306b\u8868\u308c\u308b\u5c0f\u3055\u306a\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u4e8b\u3067\u3059\u3002<\/p>\n\n\n\n<p>confirm\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u306e\u9078\u629e\u306b\u3088\u3063\u3066\u51e6\u7406\u3092\u632f\u308a\u5206\u3051\u308b\u4e8b\u304c\u51fa\u6765\u308b\u306e\u3067\u3068\u3066\u3082\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">confirm\u30dc\u30bf\u30f3\u3092\u4f5c\u3063\u3066\u307f\u3088\u3046<\/h3>\n\n\n\n<p>\u3067\u306f\u65e9\u901f\u3001confirm\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3001\u78ba\u8a8d\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3055\u305b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;html&gt;\n  &lt;body&gt;\n\n  &lt;script&gt;\n    window.confirm(\"\u3053\u308c\u304c\u78ba\u8a8d\u30c0\u30a4\u30a2\u30ed\u30b0\u3067\u3059\u3002\");\n  &lt;\/script&gt;\n\n  &lt;\/body&gt;\n&lt;\/html&gt;<\/pre>\n\n\n\n<p>\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u753b\u50cf\u306e\u3088\u3046\u306a\u30c0\u30a4\u30a2\u30ed\u30b0\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"640\" height=\"185\" src=\"https:\/\/sejuku.net\/blog\/wp-content\/uploads\/2017\/07\/2017-07-29-640x185.png\" alt=\"2017-07-29\" class=\"wp-image-28226\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/07\/2017-07-29-640x185.png 640w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/07\/2017-07-29-150x43.png 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/07\/2017-07-29-300x87.png 300w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/07\/2017-07-29.png 656w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p>\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f\u3001\u5358\u7d14\u306a\u6587\u5b57\u5217\u3092confirm\u306e\u5f15\u6570\u306b\u5f53\u3066\u306f\u3081\u3066\u3001Web\u30da\u30fc\u30b8\u3067\u8868\u793a\u3059\u308b\u57fa\u672c\u4f8b\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u78ba\u8a8d\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3055\u305b\u305f\u3060\u3051\u306a\u306e\u3067\u3001OK\u3084\u30ad\u30e3\u30f3\u30bb\u30eb\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3082\u4f55\u3082\u8d77\u3053\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>confirm\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u5f15\u6570\u306b\u8a2d\u5b9a\u3057\u305f\u6587\u5b57\u5217\u3092\u30c0\u30a4\u30a2\u30ed\u30b0\u306b\u8868\u793a\u3059\u308b\u4ed5\u7d44\u307f\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u70ba\u3001\u4eca\u56de\u306f\u300c\u3053\u308c\u304c\u78ba\u8a8d\u30c0\u30a4\u30a2\u30ed\u30b0\u3067\u3059\u3002\u300d\u3068\u3044\u3046\u6587\u5b57\u5217\u304c\u30c0\u30a4\u30a2\u30ed\u30b0\u30dc\u30c3\u30af\u30b9\u306b\u8868\u793a\u3055\u308c\u305f\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5909\u6570\u3092\u4f7f\u3063\u3066\u307f\u3088\u3046<\/h3>\n\n\n\n<p>\u300cconfirm()\u300d\u306e\u5f15\u6570\u306b\u306f\u30c0\u30a4\u30a2\u30ed\u30b0\u306b\u8868\u793a\u3057\u305f\u3044\u30c6\u30ad\u30b9\u30c8\u6587\u5b57\u3092\u8a18\u8ff0\u3059\u308b\u306e\u3067\u3059\u304c\u3001\u300c\u5909\u6570\u300d\u3092\u4f7f\u3046\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002\u3069\u3061\u3089\u304b\u3068\u8a00\u3048\u3070\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u306f\u5909\u6570\u3092\u5229\u7528\u3057\u305f\u30c6\u30ad\u30b9\u30c8\u6587\u5b57\u3092\u6307\u5b9a\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001\u6b21\u306e\u30b5\u30f3\u30d7\u30eb\u4f8b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">var name = '\u592a\u90ce';\n\nwindow.confirm( name + '\u3055\u3093\u3001\u3053\u306e\u5185\u5bb9\u3067\u5b9c\u3057\u3044\u3067\u3059\u304b\uff1f');<\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u3042\u3089\u304b\u3058\u3081\u300cname\u300d\u3068\u3044\u3046\u5909\u6570\u306b\u30e6\u30fc\u30b6\u30fc\u540d\u3092\u683c\u7d0d\u3057\u3066\u3044\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u5909\u6570\u3092confirm\u306e\u5f15\u6570\u306b\u5f53\u3066\u306f\u3081\u308b\u3053\u3068\u3067\u3001\u67d4\u8edf\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u8868\u793a\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30c0\u30a4\u30a2\u30ed\u30b0\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u304c\u5206\u304b\u308a\u307e\u3059\uff01<br><img decoding=\"async\" src=\"https:\/\/sejuku.net\/blog\/wp-content\/uploads\/2017\/11\/javascript-confirm-tutorial-re-1.jpg\" alt=\"javascript-confirm-tutorial-re-1\" width=\"600\" height=\"300\"><\/p>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u5909\u6570\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u72b6\u6cc1\u306b\u5fdc\u3058\u305f\u60c5\u5831\u3092\u30c0\u30a4\u30a2\u30ed\u30b0\u3067\u8868\u793a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u306e\u3067\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6539\u884c\u306b\u3064\u3044\u3066<\/h3>\n\n\n\n<p>\u6b21\u306b\u3001\u30c0\u30a4\u30a2\u30ed\u30b0\u306b\u8868\u793a\u3059\u308b\u30c6\u30ad\u30b9\u30c8\u306e\u300c\u6539\u884c\u300d\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u4e00\u822c\u7684\u306bconfirm\u306e\u5f15\u6570\u306b\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u306f\u300c\u6539\u884c\u306a\u3057\u300d\u3067\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u6539\u884c\u3092\u5165\u308c\u3066\u6bb5\u843d\u3092\u4f5c\u308a\u305f\u3044\u30b1\u30fc\u30b9\u3082\u3042\u308b\u3067\u3057\u3087\u3046\u3002\u3053\u306e\u3088\u3046\u306a\u5834\u5408\u306b\u5f79\u7acb\u3064\u306e\u304c\u300c\u30a8\u30b9\u30b1\u30fc\u30d7\u30b7\u30fc\u30b1\u30f3\u30b9\u300d\u3092\u4f7f\u3046\u65b9\u6cd5\u3067\u3001\u6539\u884c\u306f\u300cn\u300d\u3067\u8868\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u308c\u3067\u306f\u3001confirm\u306e\u30c6\u30ad\u30b9\u30c8\u306b\u6539\u884c\u3092\u633f\u5165\u3059\u308b\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">window.confirm('\u9805\u76ee1n\u9805\u76ee2n\u9805\u76ee3');<\/pre>\n\n\n\n<p>\u6ce8\u76ee\u3059\u3079\u304d\u306f\u3001confirm\u306e\u5f15\u6570\u306b\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u300c\u9805\u76ee1n\u9805\u76ee2\u30fb\u30fb\u30fb\u300d\u306e\u3088\u3046\u306b\u3001\u6587\u5b57\u3068\u6587\u5b57\u306e\u9593\u306b\u7279\u6b8a\u6587\u5b57\u306e\u300cn\u300d\u3092\u633f\u5165\u3059\u308b\u3053\u3068\u3067\u6539\u884c\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u969b\u306b\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6539\u884c\u3055\u308c\u305f\u6587\u5b57\u304c\u8868\u793a\u3055\u308c\u307e\u3059\uff01<br><img decoding=\"async\" src=\"https:\/\/sejuku.net\/blog\/wp-content\/uploads\/2017\/11\/javascript-confirm-tutorial-re-2-2.jpg\" alt=\"javascript-confirm-tutorial-re-2-2\" width=\"600\" height=\"300\"><\/p>\n\n\n\n<p>\u30a8\u30b9\u30b1\u30fc\u30d7\u30b7\u30fc\u30b1\u30f3\u30b9\u306f\u6587\u5b57\u5217\u306e\u5236\u5fa1\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u7279\u6b8a\u6587\u5b57\u306a\u306e\u3067\u3059\u304c\u3001\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u306f\u6b21\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\uff01<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/24128\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/image16-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010JavaScript\u5165\u9580\u3011\u30a8\u30b9\u30b1\u30fc\u30d7\u51e6\u7406\u3068escape\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u307e\u3068\u3081<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2025\u5e744\u670823\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<p>\u307e\u305f\u3001\u6539\u884c\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u305c\u3072\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/55631\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/05\/image-34-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010JavaScript\u5165\u9580\u3011\u6587\u5b57\u5217\u3092\u6539\u884c\u3059\u308b\u65b9\u6cd5(\u6539\u884c\u30b3\u30fc\u30c9\/\u300c\\n\u300d\/\u7f6e\u63db)<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h3 class=\"wp-block-heading\">\u30dc\u30bf\u30f3\u3084\u30ea\u30f3\u30af\u3092\u4f7f\u304a\u3046<\/h3>\n\n\n\n<p>\u3053\u308c\u307e\u3067\u306f\u3001\u300cconfirm()\u300d\u30e1\u30bd\u30c3\u30c9\u3092\u76f4\u63a5\u8a18\u8ff0\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001\u901a\u5e38\u306f<strong>\u30dc\u30bf\u30f3\u3084\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u969b\u306b\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3059\u308b\u306e\u304c\u4e00\u822c\u7684<\/strong>\u3067\u3059\u3002\u305d\u3053\u3067\u3001\u7c21\u5358\u306a\u30b5\u30f3\u30d7\u30eb\u4f8b\u3068\u4e00\u7dd2\u306b\u30af\u30ea\u30c3\u30af\u3057\u3066\u8868\u793a\u3055\u308c\u308b\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n<p>\u307e\u305a\u306f\u3001\u300c\u30dc\u30bf\u30f3\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u8868\u793a\u3059\u308b\u30c0\u30a4\u30a2\u30ed\u30b0\u306e\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;body&gt;\n&lt;button id=\"btn\"&gt;\u30dc\u30bf\u30f3&lt;\/button&gt;\n\n&lt;script&gt;\nvar btn = document.getElementById('btn');\n\nbtn.addEventListener('click', function() {\n\n    window.confirm('\u30af\u30ea\u30c3\u30af\u3055\u308c\u307e\u3057\u305f\uff01');\n\n})\n&lt;\/script&gt;\n&lt;\/body&gt;<\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u5358\u7d14\u306b\u300cbutton\u8981\u7d20\u300d\u3092\u4f5c\u3063\u3066\u914d\u7f6e\u3057\u3066\u3044\u308b\u3060\u3051\u3067\u3059\u306d\u3002\u3082\u3061\u308d\u3093\u30d5\u30a9\u30fc\u30e0\u8981\u7d20\u306e\u300cinput\u30bf\u30b0\u300d\u3092\u4ee3\u7528\u3057\u3066\u3082\u69cb\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3042\u3068\u306f\u3001button\u30bf\u30b0\u306e\u300cid\u5c5e\u6027\u300d\u3092\u4f7f\u3063\u3066\u30dc\u30bf\u30f3\u8981\u7d20\u3092\u53d6\u5f97\u3057\u3001\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u3092\u5b9f\u88c5\u3059\u308c\u3070\u5b8c\u6210\u3067\u3059\uff01\u3000\u3053\u308c\u3067\u3001\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u77ac\u9593\u306b\u30c0\u30a4\u30a2\u30ed\u30b0\u304c\u8868\u793a\u3055\u308c\u308b\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u306f\u3001\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u5834\u5408\u3082\u307b\u3068\u3093\u3069\u540c\u3058\u8003\u3048\u65b9\u3067\u5b9f\u73fe\u3067\u304d\u307e\u3059\uff01<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;a id=\"btn\" href=\"https:\/\/www.google.co.jp\/\"&gt;\u30b5\u30f3\u30d7\u30eb\u30ea\u30f3\u30af&lt;\/a&gt;<\/pre>\n\n\n\n<p>\u30dd\u30a4\u30f3\u30c8\u306f\u30dc\u30bf\u30f3\u306e\u6642\u3068\u540c\u3058\u3088\u3046\u306b\u300cid\u5c5e\u6027\u300d\u3092\u4ed8\u4e0e\u3057\u3066\u3044\u308b\u70b9\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u540c\u3058\u65b9\u6cd5\u3067confirm\u3092\u4f7f\u3063\u305f\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3088\u306d\uff1f<\/p>\n\n\n\n<p>\u30ea\u30f3\u30af\u306e\u5834\u5408\u306f\u3001\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u753b\u9762\u9077\u79fb\u3059\u308b\u524d\u306b\u30c0\u30a4\u30a2\u30ed\u30b0\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">confirm\u306e\u623b\u308a\u5024\u3067\u6761\u4ef6\u5206\u5c90<\/h2>\n\n\n\n<p>confirm\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u300cOK\u300d\u300c\u30ad\u30e3\u30f3\u30bb\u30eb\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u6642\u306b\u3001\u623b\u308a\u5024\u3068\u3057\u3066\u300ctrue \/ false\u300d\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7279\u6027\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<div class=\"box01\">\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u300cOK\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u3000\u2192\u3000true\u304c\u8fd4\u3055\u308c\u308b<\/strong><\/li>\n\n\n\n<li><strong>\u300c\u30ad\u30e3\u30f3\u30bb\u30eb\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u3000\u2192\u3000false\u304c\u8fd4\u3055\u308c\u308b<\/strong><\/li>\n<\/ul>\n\n\n<\/div>\n\n\n\n<p>\u305d\u306e\u305f\u3081\u3001\u30e6\u30fc\u30b6\u306e\u9078\u629e\u306b\u3088\u3063\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u3067\u6761\u4ef6\u5206\u5c90\u3092\u3059\u308b\u4e8b\u304c\u51fa\u6765\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306e\u30b5\u30f3\u30d7\u30eb\u4f8b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">var result = window.confirm('\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044');\n\nconsole.log( result );<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">true<\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001confirm\u306e\u623b\u308a\u5024\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u5909\u6570\u3078\u7d50\u679c\u3092\u4ee3\u5165\u3057\u3066\u3044\u307e\u3059\u3002\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3057\u3066\u300cOK\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u5b9f\u884c\u7d50\u679c\u3092\u898b\u308b\u3068\u5206\u304b\u308a\u307e\u3059\u304c\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u30ed\u30b0\u306b\u300ctrue\u300d\u304c\u8868\u793a\u3055\u308c\u307e\u3057\u305f\u306d\uff1f<\/p>\n\n\n\n<p>\u3082\u3061\u308d\u3093\u300c\u30ad\u30e3\u30f3\u30bb\u30eb\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u300cfalse\u300d\u304c\u30b3\u30f3\u30bd\u30fc\u30eb\u30ed\u30b0\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u7279\u6027\u3092\u5229\u7528\u3059\u308c\u3070\u3001\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u4f7f\u3063\u305f\u6761\u4ef6\u5206\u5c90\u306f\u7c21\u5358\u306b\u5b9f\u73fe\u3067\u304d\u307e\u3059\uff01<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;body&gt;\n&lt;button id=\"btn\"&gt;\u30dc\u30bf\u30f3&lt;\/button&gt;\n\n&lt;script&gt;\nvar btn = document.getElementById('btn');\n\nbtn.addEventListener('click', function() {\n    var result = window.confirm('\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\uff01');\n    \n    if( result ) {\n        console.log('OK\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u307e\u3057\u305f');\n    }\n    else {\n        console.log('\u30ad\u30e3\u30f3\u30bb\u30eb\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u307e\u3057\u305f');\n    }\n})\n&lt;\/script&gt;\n&lt;\/body&gt;<\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u30dc\u30bf\u30f3\u8981\u7d20\u3092\u914d\u7f6e\u3057\u3066\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u306e\u51e6\u7406\u3092\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u306e\u4e2d\u3067confirm\u306e\u623b\u308a\u5024\u3092\u5909\u6570\u300cresult\u300d\u306b\u4ee3\u5165\u3057\u3001\u305d\u306e\u5024\u3092\u300cIF\u6587\u300d\u306e\u6761\u4ef6\u5f0f\u306b\u6d41\u7528\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308c\u3070\u3001\u5404\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u6642\u306b\u5fdc\u3058\u305f\u51e6\u7406\u3092\u8a18\u8ff0\u3067\u304d\u308b\u306e\u3067\u4fbf\u5229\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u300csubmit\u300d\u306e\u78ba\u8a8d\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u4f5c\u308d\u3046\uff01<\/h2>\n\n\n\n<p>\u30d5\u30a9\u30fc\u30e0\u306a\u3069\u3067\u30e6\u30fc\u30b6\u304c\u5165\u529b\u3092\u5b8c\u4e86\u3057\u300csubmit\u30dc\u30bf\u30f3\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u969b\u306b\u8868\u793a\u3059\u308b\u78ba\u8a8d\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n<p>\u4e00\u822c\u7684\u306b\u3001\u9001\u4fe1\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u5373\u5ea7\u306b\u30d5\u30a9\u30fc\u30e0\u306e\u5185\u5bb9\u304c\u30b5\u30fc\u30d0\u30fc\u3078\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u78ba\u8a8d\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3057\u3066\u672c\u5f53\u306b\u9001\u4fe1\u3057\u3066\u3082\u826f\u3044\u304b\u3092\u30e6\u30fc\u30b6\u30fc\u306b\u5c0b\u306d\u308b\u76ee\u7684\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u610f\u5916\u306b\u7c21\u5358\u3067\u3001\u3053\u308c\u307e\u3067\u5b66\u3093\u3060\u5185\u5bb9\u3060\u3051\u3067\u5b9f\u73fe\u3067\u304d\u307e\u3059\uff01<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;body&gt;\n&lt;form name=\"myform\"&gt;\n    &lt;input type=\"text\" value=\"\u540d\u524d\"&gt;\n    &lt;input name=\"btn\" type=\"submit\" value=\"\u9001\u4fe1\"&gt;\n&lt;\/form&gt;\n\n&lt;script&gt;\ndocument.myform.btn.addEventListener('click', function() {\n    var result = window.confirm('\u9001\u4fe1\u3057\u3066\u3082\u5b9c\u3057\u3044\u3067\u3059\u304b\uff1f');\n    \n    if( result ) {\n\n        \/\/\u300ctrue\u300d\u306e\u51e6\u7406\n\n    }\n    else {\n\n        \/\/\u300cfalse\u300d\u306e\u51e6\u7406\n\n    }\n})\n&lt;\/script&gt;\n&lt;\/body&gt;<\/pre>\n\n\n\n<p>\u30b5\u30f3\u30d7\u30eb\u3092\u7c21\u5358\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u540d\u524d\u3092\u5165\u529b\u3057\u3066\u9001\u4fe1\u3059\u308b\u3060\u3051\u306e\u30d5\u30a9\u30fc\u30e0\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u300c\u30dc\u30bf\u30f3\u300d\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u901a\u5e38\u306f\u30d5\u30a9\u30fc\u30e0\u306e\u5185\u5bb9\u304c\u30b5\u30fc\u30d0\u30fc\u3078\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001\u30d5\u30a9\u30fc\u30e0\u8981\u7d20\u306e\u300cname\u5c5e\u6027\u300d\u3092\u5229\u7528\u3057\u3066\u300cdocument.myform.btn\u300d\u3068\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u30dc\u30bf\u30f3\u8981\u7d20\u3092\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30dc\u30bf\u30f3\u8981\u7d20\u3092\u4f7f\u3063\u3066\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u5185\u5bb9\u3092\u9001\u4fe1\u3059\u308b\u524d\u306b\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3067\u304d\u308b\u308f\u3051\u3067\u3059\u3002<br><img decoding=\"async\" src=\"https:\/\/sejuku.net\/blog\/wp-content\/uploads\/2017\/11\/javascript-confirm-tutorial-re-4.jpg\" alt=\"javascript-confirm-tutorial-re-4\" width=\"600\" height=\"300\"><\/p>\n\n\n\n<p>\u3042\u3068\u306f\u3001\u300cOK\u300d\u300c\u30ad\u30e3\u30f3\u30bb\u30eb\u300d\u30dc\u30bf\u30f3\u306b\u5fdc\u3058\u305f\u51e6\u7406\u3092\u5b9f\u88c5\u3059\u308c\u3070\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u4f7f\u3044\u3084\u3059\u3044\u30d5\u30a9\u30fc\u30e0\u3092\u4f5c\u308c\u307e\u3059\u306d\uff01<\/p>\n\n\n\n<p>JavaScript\u304b\u3089\u30d5\u30a9\u30fc\u30e0\u306e\u5185\u5bb9\u3092\u9001\u4fe1\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u4e8b\u4f8b\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u5408\u308f\u305b\u3066\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/28720\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/07\/js_eye-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">JavaScript\u306esubmit\u30a4\u30d9\u30f3\u30c8\u3067\u3001\u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3057\u3088\u3046<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e749\u670825\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h2 class=\"wp-block-heading\">\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u3088\u3046\uff01<\/h2>\n\n\n\n<p>\u6700\u5f8c\u306b\u3001\u30c0\u30a4\u30a2\u30ed\u30b0\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u3066\u304a\u304d\u307e\u3059\uff01<\/p>\n\n\n\n<p>\u4e00\u822c\u7684\u306bconfirm\u3092\u4f7f\u3063\u305f\u30c0\u30a4\u30a2\u30ed\u30b0\u306f\u3001\u958b\u767a\u8005\u304c\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30dc\u30bf\u30f3\u306e\u8868\u8a18\u3092\u5909\u66f4\u3057\u305f\u308a\u8ffd\u52a0\u3059\u308b\u3088\u3046\u306a\u3053\u3068\u3082\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u305d\u308c\u3067\u306f\u3001\u3069\u306e\u3088\u3046\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308c\u3070\u826f\u3044\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n<p>\u6700\u3082\u5358\u7d14\u3067\u7c21\u5358\u306a\u65b9\u6cd5\u306f\u3001\u81ea\u5206\u3067\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u81ea\u4f5c\u3059\u308b\u3053\u3068\u3067\u3059\uff01\u3000\u81ea\u4f5c\u3068\u8a00\u3063\u3066\u3082\u96e3\u3057\u304f\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u8003\u3048\u65b9\u3068\u3057\u3066\u306f\u300cHTML \/ CSS\u300d\u3067\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u4f5c\u6210\u3057\u3001JavaScript\u3067\u300c\u8868\u793a \/ \u975e\u8868\u793a\u300d\u3092\u5236\u5fa1\u3059\u308b\u3060\u3051\u3067\u3059\uff01<\/p>\n\n\n\n<p>\u307e\u305a\u306f\u3001HTML\u3067\u7c21\u5358\u306a\u30c0\u30a4\u30a2\u30ed\u30b0\u306e\u9aa8\u7d44\u307f\u3092\u4f5c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;div id=\"dialog\"&gt;\n    &lt;p&gt;\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044&lt;\/p&gt;\n    &lt;button id=\"yes\"&gt;\u306f\u3044&lt;\/button&gt;\n    &lt;button id=\"no\"&gt;\u3044\u3044\u3048&lt;\/button&gt;\n    &lt;button id=\"cancel\"&gt;\u30ad\u30e3\u30f3\u30bb\u30eb&lt;\/button&gt;\n&lt;\/div&gt;\n\n&lt;button id=\"btn\"&gt;\u30dc\u30bf\u30f3&lt;\/button&gt;<\/pre>\n\n\n\n<p>\u30e1\u30c3\u30bb\u30fc\u30b8\u8868\u793a\u7528\u306e\u300cp\u8981\u7d20\u300d\u3068\u3001\u300c\u306f\u3044 \/ \u3044\u3044\u3048 \/ \u30ad\u30e3\u30f3\u30bb\u30eb\u300d\u306e\u30dc\u30bf\u30f3\u304c3\u3064\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u81ea\u5206\u597d\u307f\u306e\u30dc\u30bf\u30f3\u3084\u914d\u7f6e\u3092\u69cb\u6210\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u308f\u3051\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u3042\u3068\u306f\u3001\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3059\u308b\u305f\u3081\u306e\u30dc\u30bf\u30f3\u3092\u914d\u7f6e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306eHTML\u3060\u3051\u3060\u3068\u300c\u30c0\u30a4\u30a2\u30ed\u30b0\u300d\u306b\u898b\u3048\u306a\u3044\u306e\u3067\u3001CSS\u3092\u8ffd\u52a0\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">#dialog {\n    width: 250px;\n    margin: auto;\n    margin-top: 40vh;\n    padding: 30px 20px;\n    display: none;\n    text-align: center;\n    border: 1px solid #aaa;\n    box-shadow: 2px 2px 4px #888;\n}<\/pre>\n\n\n\n<p>CSS\u306b\u3064\u3044\u3066\u306f\u3001\u89aa\u8981\u7d20\u3067\u3042\u308bdiv\u30bf\u30b0\u306eid\u5c5e\u6027\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u300cwidth\u300d\u3067\u30c0\u30a4\u30a2\u30ed\u30b0\u306e\u5e45\u3092\u8abf\u6574\u3057\u300cmargin-top\u300d\u3067\u753b\u9762\u4e2d\u592e\u306b\u914d\u7f6e\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u300cborder\u300d\u3068\u300cbox-shadow\u300d\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30c0\u30a4\u30a2\u30ed\u30b0\u3063\u307d\u304f\u898b\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff01<br><img decoding=\"async\" src=\"https:\/\/sejuku.net\/blog\/wp-content\/uploads\/2017\/11\/javascript-confirm-tutorial-re-3.jpg\" alt=\"javascript-confirm-tutorial-re-3\" width=\"600\" height=\"300\"><\/p>\n\n\n\n<p>\u307e\u305f\u3001\u300cdisplay: none\u300d\u306b\u8a2d\u5b9a\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u6700\u521d\u306f\u300c\u975e\u8868\u793a\u300d\u306e\u72b6\u614b\u306b\u3057\u3066\u304a\u304f\u306e\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u305d\u3057\u3066\u3001JavaScript\u304b\u3089\u300c\u8868\u793a \/ \u975e\u8868\u793a\u300d\u3092\u5236\u5fa1\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304d\u307e\u3059\uff01<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\/\/\u5404\u7a2e\u30dc\u30bf\u30f3\u8981\u7d20\u3092\u53d6\u5f97\u3057\u3066\u304a\u304f\nvar dialog = document.getElementById('dialog');\nvar btn = document.getElementById('btn');\nvar yes = document.getElementById('yes');\nvar no = document.getElementById('no');\nvar cancel = document.getElementById('cancel');\n\n\n\/\/\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3089\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3059\u308b\nbtn.addEventListener('click', function() {\n    dialog.style.display = 'block';\n    this.style.display = 'none';\n})\n\n\/\/\u300c\u306f\u3044\u300d\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3089\nyes.addEventListener('click', function(){ console.log('yes') });\n\n\/\/\u300c\u3044\u3044\u3048\u300d\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3089\nno.addEventListener('click', function(){ console.log('no') });\n\n\/\/\u300c\u30ad\u30e3\u30f3\u30bb\u30eb\u300d\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3089\ncancel.addEventListener('click', function(){ console.log('cancel') });<\/pre>\n\n\n\n<p>\u307e\u305a\u6700\u521d\u306b\u3001\u30c0\u30a4\u30a2\u30ed\u30b0\u306b\u8a2d\u5b9a\u3057\u305f\u30dc\u30bf\u30f3\u8981\u7d20\u3092\u3059\u3079\u3066\u53d6\u5f97\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3055\u3048\u51fa\u6765\u308c\u3070\u3001\u3042\u3068\u306f\u5404\u30dc\u30bf\u30f3\u3054\u3068\u306b\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u3092\u66f8\u304f\u3060\u3051\u3067\u5b9f\u73fe\u3067\u304d\u307e\u3059\uff01<\/p>\n\n\n\n<p>\u30c0\u30a4\u30a2\u30ed\u30b0\u306e\u300c\u8868\u793a \/ \u975e\u8868\u793a\u300d\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<div class=\"box01\">\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u300cstyle.display = &#8216;block&#8217;\u300d\u3067\u8868\u793a\u3059\u308b<\/strong><\/li>\n\n\n\n<li><strong>\u300cstyle.display = &#8216;none&#8217;\u300d\u3067\u975e\u8868\u793a\u306b\u3059\u308b<\/strong><\/li>\n<\/ul>\n\n\n<\/div>\n\n\n\n<p>\u3053\u308c\u3067\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u5236\u5fa1\u3057\u3001\u30dc\u30bf\u30f3\u3054\u3068\u306e\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308c\u3070\u826f\u3044\u308f\u3051\u3067\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u65b9\u6cd5\u3092\u77e5\u3063\u3066\u304a\u3051\u3070\u3001\u81ea\u5206\u597d\u307f\u306e\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u4f5c\u3063\u3066\u30e6\u30fc\u30b6\u30fc\u306b\u9078\u629e\u3092\u3057\u3066\u3082\u3089\u3048\u308b\u306e\u3067\u975e\u5e38\u306b\u4fbf\u5229\u3067\u3059\u3088\u306d\uff01<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">alert(\u30a2\u30e9\u30fc\u30c8)\u3067\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u3001alert(\u30a2\u30e9\u30fc\u30c8)\u3067\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>alert\u30e1\u30bd\u30c3\u30c9\u3067\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3059\u308b\u306b\u306f\u3001\u5f15\u6570\u306b\u8868\u793a\u3055\u305b\u305f\u3044\u6587\u5b57\u5217\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">alert('\u30a2\u30e9\u30fc\u30c8\u306e\u30e1\u30c3\u30bb\u30fc\u30b8')<\/pre>\n\n\n\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<br><img decoding=\"async\" src=\"https:\/\/sejuku.net\/blog\/wp-content\/uploads\/2017\/12\/javascript-alert-tutorial-re1.jpg\" alt=\"javascript-alert-tutorial-re1\" width=\"600\" height=\"300\"><\/p>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001\u30c0\u30a4\u30a2\u30ed\u30b0\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>alert\u30e1\u30bd\u30c3\u30c9\u306e\u8a73\u3057\u3044\u4f7f\u3044\u65b9\u306f\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3067\u89e3\u8aac\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u305c\u3072\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/29821\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/08\/JS1-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010JavaScript\u5165\u9580\u3011alert(\u30a2\u30e9\u30fc\u30c8)\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3053\u308c\u3067\u5b8c\u74a7\u3002\u4f7f\u3044\u65b9\u3092\u7dcf\u307e\u3068\u3081\uff01<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2025\u5e7412\u670829\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h2 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