{"id":5399,"date":"2026-07-16T15:09:55","date_gmt":"2026-07-16T06:09:55","guid":{"rendered":"https:\/\/dennie.tokyo\/it\/?p=5399"},"modified":"2026-07-16T15:21:34","modified_gmt":"2026-07-16T06:21:34","slug":"offsetwidth","status":"publish","type":"post","link":"https:\/\/dennie.tokyo\/it\/?p=5399","title":{"rendered":"offsetWidth"},"content":{"rendered":"\n<p>\u8981\u7d20\u306e\u5e45\u3092\u53d6\u5f97\u3057\u305f\u3044\u5834\u5408\u3001offsetWidth \u3092\u4f7f\u7528\u3059\u308b\u4e8b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<h1 class=\"wp-block-heading\">offsetWidth\u3068\u306f<\/h1>\n\n\n\n<p>offsetWidth \u306f\u8981\u7d20\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u5e45\u3092\u8868\u3057\u307e\u3059\u3002<br>\u30dc\u30fc\u30c0\u30fc\u306e\u5e45\u3001\u30d1\u30c7\u30a3\u30f3\u30b0\u3001\u5782\u76f4\u30b9\u30af\u30ed\u30fc\u30eb\u30d0\u30fc\u306e\u5e45\u3082\u542b\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u5024<\/h1>\n\n\n\n<p>\u30d4\u30af\u30bb\u30eb\u5358\u4f4d\u306e\u5024\u304c\u8fd4\u5374\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>HTML<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;div class=&quot;sample&quot;&gt;&lt;\/div&gt;<\/code><\/pre><\/div>\n\n\n\n<p><strong>CSS<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.sample {\n  width: 100px;\n  height: 100px;\n  padding: 15px;\n  border: 10px solid black;\n}<\/code><\/pre><\/div>\n\n\n\n<p><strong>javascript<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>const sample = document.querySelector(&#39;.sample&#39;);\nsample.textContent = sample.offsetWidth;<\/code><\/pre><\/div>\n\n\n\n<p><strong>\u7d50\u679c<\/strong><\/p>\n\n\n\n<style>\n.sample_01 {\n  width: 100px;\n  height: 100px;\n  padding: 15px;\n  border: 10px solid black;\n}\n<\/style>\n<div class=\"sample_01\"><\/div>\n\n<script>\nconst sample = document.querySelector('.sample_01');\nsample.textContent = sample.offsetWidth;\n<\/script>\n\n\n\n<h1 class=\"wp-block-heading\">\u975e\u8868\u793a\u306e\u8981\u7d20<\/h1>\n\n\n\n<p>display: none \u306e\u3088\u3046\u306b\u3001\u975e\u8868\u793a\u306e\u8981\u7d20\u306e offsetWidth \u306f 0 \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u8aad\u307f\u53d6\u308a\u5c02\u7528<\/h1>\n\n\n\n<p>offsetWidth \u306f\u8aad\u307f\u53d6\u308a\u5c02\u7528\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u306a\u308a\u307e\u3059\u3002<br>offsetWidth \u306b\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u306f\u51fa\u6765\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u6700\u5f8c\u306b<\/h1>\n\n\n\n<p>\u7279\u306b\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8981\u7d20\u306e\u5e45\u3092\u53d6\u5f97\u3057\u305f\u3044\u5834\u5408\u3001offsetWidth \u3092\u4f7f\u7528\u3059\u308b\u4e8b\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":4348,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-5399","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript"],"_links":{"self":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/5399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5399"}],"version-history":[{"count":5,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/5399\/revisions"}],"predecessor-version":[{"id":5405,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/5399\/revisions\/5405"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/media\/4348"}],"wp:attachment":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}