{"id":5692,"date":"2023-05-11T03:17:52","date_gmt":"2023-05-10T18:17:52","guid":{"rendered":"https:\/\/engineering.webstudio168.jp\/?p=5692"},"modified":"2023-05-11T03:25:19","modified_gmt":"2023-05-10T18:25:19","slug":"javascript-floating-left-or-right","status":"publish","type":"post","link":"https:\/\/engineering.webstudio168.jp\/blog\/javascript-floating-left-or-right\/","title":{"rendered":"\u3010JavaScript\u3011\u30b9\u30de\u30db\u306e\u5229\u304d\u624b\u3067\u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30dc\u30c3\u30af\u30b9\uff08\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u30dc\u30bf\u30f3\u306a\u3069\uff09\u3092\u5de6\u53f3\u5229\u304d\u624b\u306e\u5074\u3078\u52d5\u7684\u306b\u79fb\u52d5\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_87_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/engineering.webstudio168.jp\/blog\/javascript-floating-left-or-right\/#%E3%82%BD%E3%83%BC%E3%82%B9\" >\u30bd\u30fc\u30b9<\/a><\/li><\/ul><\/nav><\/div>\n\n<div id=\"floating-box\">\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u3057\u305f\u3044<\/div>\n<style>\n@media screen and (min-width: 801px){\n#floating-box {\n  display: none;\n}\n}\n@media screen and (max-width: 800px){\n#floating-box {\n  display: block;\n  position: fixed;\n  background: red;\n  color: white;\n  z-index: 100;\n  bottom: 80px;\n  right: 4.5%;\n}\n#floating-box.js-right {\n  right: 4.5%;\n}\n#floating-box.js-left {\n  left: 4.5%;\n  right: auto;\n}\n}\n<\/style>\n\n\n\n<script>\nif (window.matchMedia( \"(max-width: 800px)\" ).matches) {\n\/\/ \u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30dc\u30c3\u30af\u30b9\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b\nconst floatingBox = document.querySelector('#floating-box');\n\n\/\/ touchstart\u30a4\u30d9\u30f3\u30c8\u3067\u6307\u306e\u4f4d\u7f6e\u3092\u53d6\u5f97\u3057\u3001\u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30dc\u30c3\u30af\u30b9\u306e\u4f4d\u7f6e\u3092\u8abf\u6574\u3059\u308b\nwindow.addEventListener('touchstart', (event) => {\n  \/\/ \u6700\u521d\u306e\u30bf\u30c3\u30c1\u30dd\u30a4\u30f3\u30c8\u3092\u53d6\u5f97\u3059\u308b\n  const touch = event.touches[0];\n\n  \/\/ \u6307\u306e\u4f4d\u7f6e\u3092\u53d6\u5f97\u3059\u308b\n  const x = touch.pageX;\n  const y = touch.pageY;\n\n  \/\/ \u624b\u306e\u4f4d\u7f6e\u3092\u5224\u5b9a\u3059\u308b\n  const isRight = x > window.innerWidth \/ 2;\n  const isLeft = x < window.innerWidth \/ 2;\n\n  \/\/ \u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30dc\u30c3\u30af\u30b9\u306e\u4f4d\u7f6e\u3092\u8abf\u6574\u3059\u308b\n  if (isRight) {\n    floatingBox.classList.add('js-right');\n    floatingBox.classList.remove('js-left');\n  } else if (isLeft) {\n    floatingBox.classList.add('js-left');\n    floatingBox.classList.remove('js-right');\n  }\n});\n}\n<\/script>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u30b5\u30a4\u30c8\u3067\u306f\u305f\u3044\u3066\u3044\u306e\u5834\u5408\u3001\u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30dc\u30c3\u30af\u30b9\u306f\u53f3\u5074\u306b\u914d\u7f6e\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u4e00\u8aac\u306b\u3088\u308b\u3068\u3001\u6587\u7ae0\u306e\u5de6\u982d\u304c\u6b20\u3051\u3066\u8aad\u307f\u306b\u304f\u304f\u306a\u308b\u306e\u3092\u9632\u6b62\u3057\u3066\u3044\u308b\u3001\u3068\u3044\u3046\u898b\u89e3\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p 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class=\"wp-block-paragraph\">\u5b9f\u969b\u3053\u306e\u30b5\u30a4\u30c8\u306b\u300c\u53f3\u5229\u304d\u3067\u30b9\u30af\u30ed\u30fc\u30eb\u3059\u308b\u3068\u53f3\u4e0b\u306b\u914d\u7f6e\u300d\u300c\u5de6\u5229\u304d\u3067\u753b\u9762\u30b9\u30af\u30ed\u30fc\u30eb\u3059\u308b\u3068\u5de6\u4e0b\u306b\u914d\u7f6e\u300d\u3059\u308b\u306e\u3092JavaScript\u3067\u5206\u5c90\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u3069\u3061\u3089\u304c\u4f7f\u3044\u3084\u3059\u3044\u3067\u3059\u304b\u306d\uff1f\uff1f\u3061\u306a\u307f\u306bAmazon\u30a2\u30d7\u30ea\u306f\u53f3\u5074\u56fa\u5b9a\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3067\u5b9f\u969b\u306b\u3084\u3063\u3066\u78ba\u304b\u3081\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u4e00\u5fdc\u30bd\u30fc\u30b9\u3092\u7f6e\u3044\u3066\u304a\u304d\u307e\u3059\u3002\u7121\u6599\u3067\u304a\u597d\u304d\u306b\u4f7f\u3063\u3066\u3044\u305f\u3060\u3044\u3066\u5927\u4e08\u592b\u3067\u3059\u3002\u3054\u9023\u7d61\u3082\u4e0d\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc\u30c4\u30fc\u30eb\u306e\u30b9\u30de\u30db\u30b7\u30df\u30e5\u30ec\u30fc\u30bf\u30fc\u3067\u3082\u51fa\u6765\u308b\u306e\u3067\u78ba\u8a8d\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc\u30c4\u30fc\u30eb\u306b\u3064\u3044\u3066\u306f<a href=\"https:\/\/engineering.webstudio168.jp\/blog\/google-chrome-dev-shortcut\/\">Google Chrome\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc\u30c4\u30fc\u30eb\u306e\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u304a\u30b9\u30b9\u30e110\u9078<\/a>\u3092\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%82%BD%E3%83%BC%E3%82%B9\"><\/span>\u30bd\u30fc\u30b9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-html\" data-file=\"conv.html\" data-lang=\"HTML\"><code>&lt;div id=&quot;floating-box&quot;&gt;\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u3057\u305f\u3044&lt;\/div&gt;<\/code><\/pre><\/div>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-css\" data-file=\"conv.css\" data-lang=\"CSS\"><code>@media screen and (min-width: 801px){\n#floating-box {\n  display: none;\n}\n}\n@media screen and (max-width: 800px){\n#floating-box {\n  display: block;\n  position: fixed;\n  background: red;\n  color: white;\n  z-index: 100;\n  bottom: 80px;\n  right: 4.5%;\n}\n#floating-box.js-right {\n  right: 4.5%;\n}\n#floating-box.js-left {\n  left: 4.5%;\n  right: auto;\n}\n}<\/code><\/pre><\/div>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-js\" data-file=\"conv.js\" data-lang=\"JavaScript\"><code>\n\/\/ \u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30dc\u30c3\u30af\u30b9\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b\nconst floatingBox = document.querySelector(&#39;#floating-box&#39;);\n\n\/\/ touchstart\u30a4\u30d9\u30f3\u30c8\u3067\u6307\u306e\u4f4d\u7f6e\u3092\u53d6\u5f97\u3057\u3001\u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30dc\u30c3\u30af\u30b9\u306e\u4f4d\u7f6e\u3092\u8abf\u6574\u3059\u308b\nwindow.addEventListener(&#39;touchstart&#39;, (event) =&gt; {\n  \/\/ \u6700\u521d\u306e\u30bf\u30c3\u30c1\u30dd\u30a4\u30f3\u30c8\u3092\u53d6\u5f97\u3059\u308b\n  const touch = event.touches[0];\n\n  \/\/ \u6307\u306e\u4f4d\u7f6e\u3092\u53d6\u5f97\u3059\u308b\n  const x = touch.pageX;\n  const y = touch.pageY;\n\n  \/\/ \u624b\u306e\u4f4d\u7f6e\u3092\u5224\u5b9a\u3059\u308b\n  const isRight = x &gt; window.innerWidth \/ 2;\n  const isLeft = x &lt; window.innerWidth \/ 2;\n\n  \/\/ \u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30dc\u30c3\u30af\u30b9\u306e\u4f4d\u7f6e\u3092\u8abf\u6574\u3059\u308b\n  if (isRight) {\n    floatingBox.classList.add(&#39;js-right&#39;);\n    floatingBox.classList.remove(&#39;js-left&#39;);\n  } else if (isLeft) {\n    floatingBox.classList.add(&#39;js-left&#39;);\n    floatingBox.classList.remove(&#39;js-right&#39;);\n  }\n});<\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u3057\u305f\u3044 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5714,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55],"tags":[8,39,16],"class_list":["post-5692","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript","tag-javascript","tag-39","tag-16"],"_links":{"self":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts\/5692","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/comments?post=5692"}],"version-history":[{"count":23,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts\/5692\/revisions"}],"predecessor-version":[{"id":5716,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts\/5692\/revisions\/5716"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/media\/5714"}],"wp:attachment":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/media?parent=5692"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/categories?post=5692"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/tags?post=5692"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}