{"id":8967,"date":"2025-09-09T17:05:44","date_gmt":"2025-09-09T08:05:44","guid":{"rendered":"https:\/\/code-plus.jp\/gp\/?p=8967"},"modified":"2026-01-08T11:12:44","modified_gmt":"2026-01-08T02:12:44","slug":"pointerevents-8967","status":"publish","type":"post","link":"https:\/\/code-plus.jp\/gp\/pointerevents-8967\/","title":{"rendered":"iOS\u306epointer-events\u30d0\u30b0\u3068\u30a4\u30d9\u30f3\u30c8\u5236\u5fa1\u5bfe\u7b56"},"content":{"rendered":"\r\n<p>Web\u30b5\u30a4\u30c8\u3067\u30ea\u30f3\u30af\u3084\u30dc\u30bf\u30f3\u306e\u30af\u30ea\u30c3\u30af\u3092\u7121\u52b9\u5316\u3057\u305f\u3044\u5834\u9762\u306f\u610f\u5916\u3068\u591a\u3044\u3082\u306e\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u51e6\u7406\u4e2d\u306e\u30dc\u30bf\u30f3\u3092\u4e00\u6642\u7684\u306b\u7121\u52b9\u306b\u3057\u305f\u308a\u3001\u7279\u5b9a\u6761\u4ef6\u4e0b\u3067\u30ea\u30f3\u30af\u3092\u6a5f\u80fd\u3055\u305b\u306a\u3044\u3088\u3046\u306b\u3057\u305f\u308a\u3059\u308b\u5834\u5408\u3067\u3059\u3002CSS\u306e<code>pointer-events: none<\/code>\u3092\u4f7f\u3048\u3070\u7c21\u5358\u306b\u5b9f\u88c5\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u304c\u3001iOS\u306eSafari\u3067\u306f\u601d\u308f\u306c\u843d\u3068\u3057\u7a74\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\r\n<p>\u4eca\u56de\u306f\u3001iOS\u3067\u767a\u751f\u3059\u308b<code>pointer-events<\/code>\u306e\u30d0\u30b0\u3068\u305d\u306e\u5bfe\u7b56\u3001JavaScript\u306e\u30a4\u30d9\u30f3\u30c8\u5236\u5fa1\u30e1\u30bd\u30c3\u30c9\u3001\u305d\u3057\u3066iOS\u7279\u6709\u306e\u30af\u30ea\u30c3\u30af\u30fb\u30bf\u30c3\u30c1\u30a4\u30d9\u30f3\u30c8\u306e\u554f\u984c\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\r\n\r\n <!-- \u2605\u76ee\u6b21\u30ea\u30b9\u30c8 -->\r\n<nav class=\"toc-container mt-2r\">\r\n  <ul class=\"toc-list\" data-toc-id=\"js-tocBWGD\"><\/ul>\r\n<\/nav>\r\n\r\n<script src=\"https:\/\/www.code-plus.jp\/cdn\/js\/_gimmicks\/inppend-toc.js\"><\/script>\r\n\r\n\r\n\r\n\r\n<h2 class=\"fz-xl\">iOS\u306epointer-events\u30d0\u30b0\u3068\u306f<\/h2>\r\n<h3 class=\"fz-ml\">\u671f\u5f85\u3055\u308c\u308b\u52d5\u4f5c<\/h3>\r\n<p>\u901a\u5e38\u3001<code>pointer-events: none<\/code>\u3092\u8a2d\u5b9a\u3057\u305f\u8981\u7d20\u306f\uff1a<\/p>\r\n<ul style=\"list-style-type:bullet;\">\r\n<li>\u30de\u30a6\u30b9\u3084\u30bf\u30c3\u30c1\u30a4\u30d9\u30f3\u30c8\u3092\u4e00\u5207\u53d7\u3051\u4ed8\u3051\u306a\u3044<\/li>\r\n<li>\u30a4\u30d9\u30f3\u30c8\u306f\u900f\u904e\u3057\u3066\u3001\u4e0b\u5c64\u306e\u8981\u7d20\u306b\u76f4\u63a5\u5c4a\u304f<\/li>\r\n<li>\u30db\u30d0\u30fc\u52b9\u679c\u3082\u7121\u52b9\u306b\u306a\u308b<\/li>\r\n<\/ul>\r\n<pre><code class=\"language-css\">.disabled-link {\r\n  pointer-events: none;\r\n  cursor: default;\r\n}\r\n<\/code><\/pre>\r\n<h3 class=\"fz-ml\">iOS\u3067\u306e\u554f\u984c<\/h3>\r\n<p>\u3057\u304b\u3057\u3001iOS Safari\u3067\u306f\u7279\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\uff1a<\/p>\r\n<ul style=\"list-style-type:bullet;\">\r\n<li><code>pointer-events: none<\/code>\u3092\u8a2d\u5b9a\u3057\u3066\u3082\u3001\u30bf\u30c3\u30c1\u30a4\u30d9\u30f3\u30c8\u304c\u5b8c\u5168\u306b\u7121\u8996\u3055\u308c\u306a\u3044<\/li>\r\n<li>\u8981\u7d20\u306e\u4e0b\u5c64\u3084\u89aa\u8981\u7d20\u306b\u610f\u56f3\u3057\u306a\u3044\u30a4\u30d9\u30f3\u30c8\u304c\u4f1d\u64ad\u3057\u3066\u3057\u307e\u3046<\/li>\r\n<li>\u7279\u306b<code>&lt;a&gt;<\/code>\u30bf\u30b0\u3084<code>onclick<\/code>\u5c5e\u6027\u3092\u6301\u3064\u8981\u7d20\u3067\u554f\u984c\u304c\u767a\u751f\u3057\u3084\u3059\u3044<\/li>\r\n<\/ul>\r\n<p>\u3053\u306e\u6319\u52d5\u306f\u4ed6\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u767a\u751f\u305b\u305a\u3001iOS Safari\u7279\u6709\u306e\u30d0\u30b0\u3067\u3059\u3002<\/p>\r\n<h2 class=\"fz-xl\">iOS\u7279\u6709\u306e\u30af\u30ea\u30c3\u30af\u30fb\u30bf\u30c3\u30c1\u30a4\u30d9\u30f3\u30c8\u554f\u984c<\/h2>\r\n<h3 class=\"fz-ml\">cursor: pointer\u554f\u984c<\/h3>\r\n<p>iOS\u3067\u306f\u3001<code>cursor: pointer<\/code>\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u8981\u7d20\u3067\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u706b\u3057\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\r\n<pre><code class=\"language-css\">\/* \u274c iOS\u3067\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u304c\u52b9\u304b\u306a\u3044\u5834\u5408\u304c\u3042\u308b *\/\r\n.clickable-div {\r\n  \/* cursor\u6307\u5b9a\u306a\u3057 *\/\r\n}\r\n\r\n\/* \u2705 \u78ba\u5b9f\u306b\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u3092\u767a\u706b\u3055\u305b\u308b *\/\r\n.clickable-div {\r\n  cursor: pointer;  \/* \u3053\u308c\u304c\u91cd\u8981\uff01 *\/\r\n}\r\n<\/code><\/pre>\r\n<p><b class=\"bold\">\u5bfe\u7b56\u65b9\u6cd5\uff1a<\/b><\/p>\r\n<pre><code class=\"language-html\">&lt;!-- \u7a7a\u306eonclick\u5c5e\u6027\u3067\u3082\u52b9\u679c\u3042\u308a --&gt;\r\n&lt;div onclick=&quot;&quot;&gt;\u30af\u30ea\u30c3\u30af\u53ef\u80fd\u306a\u8981\u7d20&lt;\/div&gt;\r\n\r\n&lt;!-- \u307e\u305f\u306fJavaScript\u3067 --&gt;\r\n&lt;script&gt;\r\nelement.style.cursor = &#39;pointer&#39;;\r\n&lt;\/script&gt;\r\n<\/code><\/pre>\r\n<h3 class=\"fz-ml\">:hover\u306e\u6b8b\u7559\u554f\u984c<\/h3>\r\n<p>iOS\u3067\u306f\u3001\u30bf\u30c3\u30d7\u5f8c\u306b<code>:hover<\/code>\u72b6\u614b\u304c\u6b8b\u3063\u3066\u3057\u307e\u3046\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30bf\u30c3\u30c1\u30c7\u30d0\u30a4\u30b9\u306b\u306f\u672c\u6765\u300c\u30db\u30d0\u30fc\u300d\u3068\u3044\u3046\u6982\u5ff5\u304c\u306a\u3044\u305f\u3081\u3067\u3059\u3002<\/p>\r\n<pre><code class=\"language-css\">\/* \u274c \u30bf\u30c3\u30d7\u5f8c\u3082\u30db\u30d0\u30fc\u72b6\u614b\u304c\u6b8b\u308b *\/\r\n.button:hover {\r\n  background: blue;\r\n}\r\n\r\n\/* \u2705 \u30db\u30d0\u30fc\u53ef\u80fd\u306a\u30c7\u30d0\u30a4\u30b9\u306e\u307f\u306b\u9069\u7528 *\/\r\n@media (hover: hover) {\r\n  .button:hover {\r\n    background: blue;\r\n  }\r\n}\r\n<\/code><\/pre>\r\n<p><b class=\"bold\">JavaScript\u3067\u306e\u5bfe\u7b56\uff1a<\/b><\/p>\r\n<pre><code class=\"language-javascript\">\/\/ \u30bf\u30c3\u30c1\u7d42\u4e86\u6642\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u3092\u5916\u3057\u3066\u30db\u30d0\u30fc\u72b6\u614b\u3092\u89e3\u9664\r\nelement.addEventListener(&#39;touchend&#39;, function() {\r\n  this.blur();\r\n});\r\n\r\n\/\/ \u307e\u305f\u306f\u3001\u30bf\u30c3\u30c1\u30c7\u30d0\u30a4\u30b9\u3092\u5224\u5b9a\u3057\u3066\u30af\u30e9\u30b9\u3092\u4ed8\u4e0e\r\nif (&#39;ontouchstart&#39; in window) {\r\n  document.body.classList.add(&#39;touch-device&#39;);\r\n}\r\n<\/code><\/pre>\r\n<h2 class=\"fz-xl\">CSS\u3068JavaScript\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u5bfe\u7b56<\/h2>\r\n<h3 class=\"fz-ml\">\u5b9f\u88c5\u4f8b\uff1a\u30af\u30e9\u30b9\u540d\u306b\u3088\u308b\u5236\u5fa1<\/h3>\r\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5b9f\u88c5\u3067\u3001iOS\u306e\u30d0\u30b0\u3092\u56de\u907f\u3057\u3064\u3064\u3001\u67d4\u8edf\u306a\u30a4\u30d9\u30f3\u30c8\u5236\u5fa1\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\uff1a<\/p>\r\n<pre><code class=\"language-css\">\/* \u30af\u30ea\u30c3\u30af\u3082\u30db\u30d0\u30fc\u3082\u7121\u52b9 *\/\r\na.ev-none {\r\n  pointer-events: none;\r\n  cursor: default;\r\n}\r\n\r\n\/* \u30af\u30ea\u30c3\u30af\u306e\u307f\u7121\u52b9\uff08\u30db\u30d0\u30fc\u306f\u6709\u52b9\uff09 *\/\r\na.ev-prevent {\r\n  cursor: default;\r\n}\r\n\r\n\/* \u30db\u30d0\u30fc\u6642\u306e\u898b\u305f\u76ee\u3092\u901a\u5e38\u72b6\u614b\u306b\u4fdd\u3064 *\/\r\n@media (hover: hover) {\r\n  a.ev-none:hover,\r\n  a.ev-prevent:hover {\r\n    opacity: 1;\r\n    filter: brightness(1);\r\n  }\r\n}\r\n<\/code><\/pre>\r\n<pre><code class=\"language-javascript\">\/\/ iOS\u5bfe\u7b56\uff1aJavaScript\u3067\u78ba\u5b9f\u306b\u30a4\u30d9\u30f3\u30c8\u3092\u6b62\u3081\u308b\r\ndocument.addEventListener(&#39;DOMContentLoaded&#39;, function() {\r\n  const elements = document.querySelectorAll(&#39;a.ev-prevent, a.ev-none&#39;);\r\n  \r\n  elements.forEach(function(element) {\r\n    element.addEventListener(&#39;click&#39;, function(e) {\r\n      e.preventDefault();    \/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u52d5\u4f5c\u3092\u9632\u3050\r\n      e.stopPropagation();   \/\/ \u30a4\u30d9\u30f3\u30c8\u306e\u4f1d\u64ad\u3092\u6b62\u3081\u308b\r\n    });\r\n  });\r\n});\r\n<\/code><\/pre>\r\n<h2 class=\"fz-xl\">\u30a4\u30d9\u30f3\u30c8\u5236\u5fa1\u30e1\u30bd\u30c3\u30c9\u306e\u9055\u3044<\/h2>\r\n<h3 class=\"fz-ml\">return false\uff08jQuery\uff09<\/h3>\r\n<p>jQuery\u3067\u3088\u304f\u4f7f\u308f\u308c\u308b<code>return false<\/code>\u306f\u3001\u5b9f\u306f2\u3064\u306e\u51e6\u7406\u3092\u540c\u6642\u306b\u884c\u3044\u307e\u3059\uff1a<\/p>\r\n<pre><code class=\"language-javascript\">\/\/ jQuery\r\n$(&#39;.button&#39;).on(&#39;click&#39;, function() {\r\n  return false;  \/\/ preventDefault() + stopPropagation()\r\n});\r\n<\/code><\/pre>\r\n<h3 class=\"fz-ml\">e.preventDefault()<\/h3>\r\n<p><b class=\"bold\">\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u52d5\u4f5c\u3060\u3051\u3092\u9632\u304e\u307e\u3059<\/b>\u3002\u30a4\u30d9\u30f3\u30c8\u306e\u4f1d\u64ad\u306f\u6b62\u3081\u307e\u305b\u3093\u3002<\/p>\r\n<pre><code class=\"language-javascript\">\/\/ \u30ea\u30f3\u30af\u306e\u9077\u79fb\u3092\u9632\u3050\u304c\u3001\u89aa\u8981\u7d20\u306e\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u306f\u767a\u706b\u3059\u308b\r\nlink.addEventListener(&#39;click&#39;, function(e) {\r\n  e.preventDefault();  \/\/ href\u5c5e\u6027\u306b\u3088\u308b\u30da\u30fc\u30b8\u9077\u79fb\u3092\u9632\u3050\r\n  \/\/ \u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u81ea\u4f53\u306f\u89aa\u8981\u7d20\u306b\u4f1d\u64ad\u3059\u308b\r\n});\r\n<\/code><\/pre>\r\n<p>\u4f7f\u7528\u4f8b\uff1a<\/p>\r\n<ul style=\"list-style-type:bullet;\">\r\n<li><code>&lt;a&gt;<\/code>\u30bf\u30b0\u306e\u30da\u30fc\u30b8\u9077\u79fb\u3092\u9632\u3050<\/li>\r\n<li><code>&lt;form&gt;<\/code>\u306e\u9001\u4fe1\u3092\u9632\u3050<\/li>\r\n<li>\u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u306e\u30c1\u30a7\u30c3\u30af\u52d5\u4f5c\u3092\u9632\u3050<\/li>\r\n<\/ul>\r\n<h3 class=\"fz-ml\">e.stopPropagation()<\/h3>\r\n<p><b class=\"bold\">\u30a4\u30d9\u30f3\u30c8\u306e\u4f1d\u64ad\uff08\u30d0\u30d6\u30ea\u30f3\u30b0\uff09\u3060\u3051\u3092\u6b62\u3081\u307e\u3059<\/b>\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u52d5\u4f5c\u306f\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\r\n<pre><code class=\"language-javascript\">\/\/ \u5b50\u8981\u7d20\u306e\u30af\u30ea\u30c3\u30af\u304c\u89aa\u8981\u7d20\u306b\u4f1d\u308f\u3089\u306a\u3044\u3088\u3046\u306b\u3059\u308b\r\nchild.addEventListener(&#39;click&#39;, function(e) {\r\n  e.stopPropagation();  \/\/ \u89aa\u8981\u7d20\u306e\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u306f\u767a\u706b\u3057\u306a\u3044\r\n  console.log(&#39;\u5b50\u8981\u7d20\u306e\u307f\u53cd\u5fdc&#39;);\r\n});\r\n<\/code><\/pre>\r\n<h2 class=\"fz-xl\">\u30b9\u30af\u30ed\u30fc\u30eb\u95a2\u9023\u306eTips<\/h2>\r\n<h3 class=\"fz-ml\">momentum scrolling\u306e\u6709\u52b9\u5316<\/h3>\r\n<p>iOS\u3067\u30b9\u30e0\u30fc\u30ba\u306a\u6163\u6027\u30b9\u30af\u30ed\u30fc\u30eb\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001\u7279\u5225\u306aCSS\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u5fc5\u8981\u3067\u3059\uff1a<\/p>\r\n<pre><code class=\"language-css\">\/* \u274c \u30ab\u30af\u30ab\u30af\u3057\u305f\u30b9\u30af\u30ed\u30fc\u30eb *\/\r\n.scrollable {\r\n  overflow-y: scroll;\r\n}\r\n\r\n\/* \u2705 \u30b9\u30e0\u30fc\u30ba\u306a\u6163\u6027\u30b9\u30af\u30ed\u30fc\u30eb *\/\r\n.scrollable {\r\n  overflow-y: scroll;\r\n  -webkit-overflow-scrolling: touch;  \/* \u5fc5\u9808\uff01 *\/\r\n  \r\n  \/* \u30b9\u30af\u30ed\u30fc\u30eb\u4e2d\u306e\u8981\u7d20\u6d88\u5931\u30d0\u30b0\u5bfe\u7b56 *\/\r\n  transform: translateZ(0);\r\n}\r\n<\/code><\/pre>\r\n<h3 class=\"fz-ml\">\u30b9\u30af\u30ed\u30fc\u30eb\u7981\u6b62\u6642\u306e\u554f\u984c\u3068\u5bfe\u7b56<\/h3>\r\n<p>\u30e2\u30fc\u30c0\u30eb\u8868\u793a\u6642\u306a\u3069\u3001\u80cc\u666f\u306e\u30b9\u30af\u30ed\u30fc\u30eb\u3092\u9632\u304e\u305f\u3044\u5834\u5408\uff1a<\/p>\r\n<pre><code class=\"language-javascript\">let scrollY = 0;\r\n\r\n\/\/ \u30b9\u30af\u30ed\u30fc\u30eb\u7981\u6b62\r\nfunction disableScroll() {\r\n  scrollY = window.scrollY;\r\n  document.body.style.position = &#39;fixed&#39;;\r\n  document.body.style.top = `-${scrollY}px`;\r\n  document.body.style.width = &#39;100%&#39;;\r\n}\r\n\r\n\/\/ \u30b9\u30af\u30ed\u30fc\u30eb\u518d\u958b\r\nfunction enableScroll() {\r\n  document.body.style.position = &#39;&#39;;\r\n  document.body.style.top = &#39;&#39;;\r\n  document.body.style.width = &#39;&#39;;\r\n  window.scrollTo(0, scrollY);  \/\/ \u5143\u306e\u4f4d\u7f6e\u306b\u623b\u3059\r\n}\r\n<\/code><\/pre>\r\n<h2 class=\"fz-xl\">\u30bf\u30c3\u30c1\u30a4\u30d9\u30f3\u30c8\u306e\u6700\u9069\u5316<\/h2>\r\n<h3 class=\"fz-ml\">passive listener\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584<\/h3>\r\n<pre><code class=\"language-javascript\">\/\/ \u274c \u30b9\u30af\u30ed\u30fc\u30eb\u304c\u30ab\u30af\u3064\u304f\u53ef\u80fd\u6027\r\nelement.addEventListener(&#39;touchstart&#39;, handleTouch);\r\n\r\n\/\/ \u2705 \u30b9\u30e0\u30fc\u30ba\u306a\u30b9\u30af\u30ed\u30fc\u30eb\r\nelement.addEventListener(&#39;touchstart&#39;, handleTouch, { passive: true });\r\nelement.addEventListener(&#39;touchmove&#39;, handleTouch, { passive: true });\r\n\r\n\/\/ preventDefault\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u660e\u793a\u7684\u306bfalse\r\nelement.addEventListener(&#39;touchmove&#39;, function(e) {\r\n  e.preventDefault();  \/\/ \u30b9\u30af\u30ed\u30fc\u30eb\u9632\u6b62\u306a\u3069\r\n}, { passive: false });\r\n<\/code><\/pre>\r\n<p><code>passive: true<\/code>\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306f<code>preventDefault()<\/code>\u304c\u547c\u3070\u308c\u306a\u3044\u3053\u3068\u3092\u524d\u63d0\u306b\u6700\u9069\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\r\n<h3 class=\"fz-ml\">\u30bf\u30c3\u30c1\u30a4\u30d9\u30f3\u30c8\u3068\u30de\u30a6\u30b9\u30a4\u30d9\u30f3\u30c8\u306e\u4e21\u5bfe\u5fdc<\/h3>\r\n<pre><code class=\"language-javascript\">\/\/ \u30bf\u30c3\u30c1\u3068\u30de\u30a6\u30b9\u306e\u4e21\u65b9\u306b\u5bfe\u5fdc\r\nfunction addClickEvent(element, handler) {\r\n  \/\/ \u30bf\u30c3\u30c1\u30c7\u30d0\u30a4\u30b9\r\n  element.addEventListener(&#39;touchstart&#39;, handler);\r\n  \r\n  \/\/ \u30de\u30a6\u30b9\u30c7\u30d0\u30a4\u30b9\uff08\u30bf\u30c3\u30c1\u30a4\u30d9\u30f3\u30c8\u5f8c\u306e\u30de\u30a6\u30b9\u30a4\u30d9\u30f3\u30c8\u3092\u9632\u3050\uff09\r\n  let touchHandled = false;\r\n  \r\n  element.addEventListener(&#39;touchstart&#39;, function() {\r\n    touchHandled = true;\r\n  });\r\n  \r\n  element.addEventListener(&#39;click&#39;, function(e) {\r\n    if (!touchHandled) {\r\n      handler(e);\r\n    }\r\n    touchHandled = false;\r\n  });\r\n}\r\n<\/code><\/pre>\r\n<h2 class=\"fz-xl\">\u30c7\u30d0\u30c3\u30b0Tips<\/h2>\r\n<h3 class=\"fz-ml\">iOS\u5b9f\u6a5f\u3067\u306e\u30c7\u30d0\u30c3\u30b0\u65b9\u6cd5<\/h3>\r\n<p>iOS\u5b9f\u6a5f\u3067\u306e\u30c7\u30d0\u30c3\u30b0\u306f\u96e3\u3057\u3044\u3067\u3059\u304c\u3001\u4ee5\u4e0b\u306e\u65b9\u6cd5\u304c\u5f79\u7acb\u3061\u307e\u3059\uff1a<\/p>\r\n<pre><code class=\"language-javascript\">\/\/ \u30a8\u30e9\u30fc\u3092\u30a2\u30e9\u30fc\u30c8\u3067\u8868\u793a\uff08\u958b\u767a\u6642\u306e\u307f\uff09\r\nwindow.addEventListener(&#39;error&#39;, function(e) {\r\n  if (window.location.hostname === &#39;localhost&#39;) {\r\n    alert(`Error: ${e.message}nLine: ${e.lineno}nFile: ${e.filename}`);\r\n  }\r\n});\r\n\r\n\/\/ \u30bf\u30c3\u30c1\u5ea7\u6a19\u306e\u53ef\u8996\u5316\r\ndocument.addEventListener(&#39;touchstart&#39;, function(e) {\r\n  const touch = e.touches[0];\r\n  console.log(`Touch: X=${touch.clientX}, Y=${touch.clientY}`);\r\n  \r\n  \/\/ \u8996\u899a\u7684\u306a\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\r\n  const marker = document.createElement(&#39;div&#39;);\r\n  marker.style.cssText = `\r\n    position: fixed;\r\n    left: ${touch.clientX - 10}px;\r\n    top: ${touch.clientY - 10}px;\r\n    width: 20px;\r\n    height: 20px;\r\n    background: rgba(255, 0, 0, 0.5);\r\n    border-radius: 50%;\r\n    pointer-events: none;\r\n    z-index: 9999;\r\n  `;\r\n  document.body.appendChild(marker);\r\n  \r\n  setTimeout(() =&gt; marker.remove(), 500);\r\n});\r\n\r\n\/\/ \u30a4\u30d9\u30f3\u30c8\u306e\u4f1d\u64ad\u3092\u78ba\u8a8d\r\nfunction debugEventPropagation(selector) {\r\n  const elements = document.querySelectorAll(selector);\r\n  \r\n  elements.forEach((el, index) =&gt; {\r\n    [&#39;click&#39;, &#39;touchstart&#39;, &#39;touchend&#39;].forEach(eventType =&gt; {\r\n      el.addEventListener(eventType, function(e) {\r\n        console.log(`${eventType} on element ${index}:`, {\r\n          target: e.target.className,\r\n          currentTarget: e.currentTarget.className,\r\n          propagation: !e.cancelBubble\r\n        });\r\n      }, true);  \/\/ \u30ad\u30e3\u30d7\u30c1\u30e3\u30d5\u30a7\u30fc\u30ba\u3067\u3082\u78ba\u8a8d\r\n    });\r\n  });\r\n}\r\n<\/code><\/pre>\r\n<h3 class=\"fz-ml\">Safari\u958b\u767a\u8005\u30c4\u30fc\u30eb\u306e\u6d3b\u7528<\/h3>\r\n<ol style=\"list-style-type:decimal;\">\r\n<li>Mac \u306e Safari \u3067\u300c\u958b\u767a\u300d\u30e1\u30cb\u30e5\u30fc\u3092\u6709\u52b9\u5316<\/li>\r\n<li>iPhone \u3092 USB \u3067\u63a5\u7d9a<\/li>\r\n<li>iPhone \u306e Safari \u3067\u300cWeb \u30a4\u30f3\u30b9\u30da\u30af\u30bf\u300d\u3092\u6709\u52b9\u5316<\/li>\r\n<li>Mac \u306e Safari \u304b\u3089 iPhone \u306e\u30da\u30fc\u30b8\u3092\u30c7\u30d0\u30c3\u30b0<\/li>\r\n<\/ol>\r\n<h2 class=\"fz-xl\">\u5b9f\u88c5\u306e\u30dd\u30a4\u30f3\u30c8<\/h2>\r\n<h3 class=\"fz-ml\">\u30c7\u30d0\u30a4\u30b9\u3054\u3068\u306e\u51fa\u3057\u5206\u3051<\/h3>\r\n<pre><code class=\"language-css\">\/* \u30b9\u30de\u30db\u7528 *\/\r\n@media screen and (max-width: 743.9px) {\r\n  a.ev-none_sp { pointer-events: none; }\r\n  a.ev-prevent_sp { cursor: default; }\r\n}\r\n\r\n\/* PC\u7528 *\/\r\n@media screen and (min-width: 744px) {\r\n  a.ev-none_pc { pointer-events: none; }\r\n  a.ev-prevent_pc { cursor: default; }\r\n}\r\n<\/code><\/pre>\r\n<h3 class=\"fz-ml\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305f\u5b9f\u88c5<\/h3>\r\n<pre><code class=\"language-javascript\">\/\/ DOMContentLoaded\u3067\u4e00\u5ea6\u3060\u3051\u5b9f\u884c\r\ndocument.addEventListener(&#39;DOMContentLoaded&#39;, function() {\r\n  \/\/ \u5fc5\u8981\u306a\u8981\u7d20\u3060\u3051\u3092\u9078\u629e\r\n  const elements = Array.from(document.querySelectorAll(&#39;a.ev-prevent, a.ev-none&#39;));\r\n  \r\n  \/\/ \u30a4\u30d9\u30f3\u30c8\u30c7\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3\u3067\u52b9\u7387\u5316\uff08\u8981\u7d20\u304c\u591a\u3044\u5834\u5408\uff09\r\n  if (elements.length &gt; 20) {\r\n    document.body.addEventListener(&#39;click&#39;, function(e) {\r\n      const target = e.target.closest(&#39;a.ev-prevent, a.ev-none&#39;);\r\n      if (target) {\r\n        e.preventDefault();\r\n        e.stopPropagation();\r\n      }\r\n    });\r\n  } else {\r\n    \/\/ \u8981\u7d20\u304c\u5c11\u306a\u3044\u5834\u5408\u306f\u500b\u5225\u306b\u767b\u9332\r\n    elements.forEach(element =&gt; {\r\n      element.addEventListener(&#39;click&#39;, handleClick);\r\n    });\r\n  }\r\n});\r\n<\/code><\/pre>\r\n<h2 class=\"fz-xl\">\u307e\u3068\u3081<\/h2>\r\n<p>\u3053\u308c\u3089\u306e\u77e5\u8b58\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001iOS\u3092\u542b\u3080\u3059\u3079\u3066\u306e\u30c7\u30d0\u30a4\u30b9\u3067\u5feb\u9069\u306a\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u3092\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"Web\u30b5\u30a4\u30c8\u3067\u30ea\u30f3\u30af\u3084\u30dc\u30bf\u30f3\u306e\u30af\u30ea\u30c3\u30af\u3092\u7121\u52b9\u5316\u3057\u305f\u3044\u5834\u9762\u306f\u610f\u5916\u3068\u591a\u3044\u3082\u306e\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u51e6\u7406\u4e2d\u306e\u30dc\u30bf\u30f3\u3092\u4e00\u6642\u7684\u306b\u7121\u52b9\u306b\u3057\u305f\u308a\u3001\u7279\u5b9a\u6761\u4ef6\u4e0b\u3067\u30ea\u30f3\u30af\u3092\u6a5f\u80fd\u3055\u305b\u306a\u3044\u3088\u3046\u306b\u3057\u305f\u308a\u3059\u308b\u5834\u5408\u3067\u3059\u3002CSS\u306epointer-events:[...]","protected":false},"author":1,"featured_media":8988,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","footnotes":"","vk-ltc-link":"","vk-ltc-target":"0"},"categories":[12,11],"tags":[363,360,361,362,351,350,130],"class_list":["post-8967","post","type-post","status-publish","format-standard","has-post-thumbnail","category-javascript","category-html-css","tag-363","tag-ios","tag-361","tag-pointer-events","tag-351","tag-350","tag-css"],"veu_head_title_object":{"title":"","add_site_title":""},"_links":{"self":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/posts\/8967","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/comments?post=8967"}],"version-history":[{"count":0,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/posts\/8967\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/media\/8988"}],"wp:attachment":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/media?parent=8967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/categories?post=8967"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/tags?post=8967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}