{"id":825,"date":"2024-05-18T12:00:00","date_gmt":"2024-05-18T03:00:00","guid":{"rendered":"https:\/\/ownmono.com\/blog\/?p=825"},"modified":"2025-03-04T09:59:18","modified_gmt":"2025-03-04T00:59:18","slug":"text-count","status":"publish","type":"post","link":"https:\/\/ownmono.com\/blog\/frontend\/text-count\/","title":{"rendered":"\u6307\u5b9a\u306e\u6587\u5b57\u6570\u3092\u8d85\u3048\u305f\u5834\u5408\u306b\u7701\u7565\u3057\u300c&#8230;\u300d\u306b\u3059\u308b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u65b9\u6cd5\u3010CSS\/JavaScript\u3011"},"content":{"rendered":"<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"blue\"><div class=\"c-balloon__icon -circle\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/ownmono.com\/blog\/wp-content\/uploads\/2024\/03\/hashibi_right-150x150.webp\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30cf\u30b7\u30d3\u30a3\u304f\u3093<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p>\u30c7\u30b6\u30a4\u30f3\u4e0a\u3001\u6587\u5b57\u6570\u3092\u5236\u9650\u3057\u3064\u3064\u3001\u7d9a\u304d\u304c\u3042\u308b\u3053\u3068\u3092\u793a\u3059\u3088\u3046\u306b\u300c&#8230;\u300d\u3092\u51fa\u308b\u3088\u3046\u306b\u3057\u305f\u3044\u3063\u3059\uff01<\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"yellow\"><div class=\"c-balloon__icon -circle\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/ownmono.com\/blog\/wp-content\/uploads\/2024\/03\/capy_left-150x150.webp\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30ab\u30d4\u30fc\u3055\u3093<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p>\u3088\u304f\u8033\u306b\u3059\u308b\u8981\u671b\u3060\u306a\u3002CSS\u3068JavaScript\u3067\u5b9f\u73fe\u53ef\u80fd\u3060\u305e\uff01\u65e9\u901f\u4f1d\u6388\u3057\u3088\u3046\u3002<\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u6587\u5b57\u6570\u30aa\u30fc\u30d0\u30fc\u3067\u7701\u7565\u3059\u308b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u4e3b\u306b\u4f7f\u308f\u308c\u308b\u5834\u9762\u3068\u3057\u3066\u306f\u3001\u300c\u6295\u7a3f\u4e00\u89a7\u300d\u3084\u300c\u5546\u54c1\u4e00\u89a7\u300d\u306a\u3069\u3067\u6587\u5b57\u6570\u306e\u5897\u6e1b\u306b\u3088\u3063\u3066\u30ec\u30a4\u30a2\u30a6\u30c8\u5d29\u308c\u3092\u9632\u3050\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6319\u52d5\u3068\u3057\u3066\u306f\u3001\u6307\u5b9a\u3057\u305f\u6587\u5b57\u6570\u3092\u8d85\u3048\u308b\u3068\u3001\u300c&#8230;\u300d\uff083\u70b9\u30ea\u30fc\u30c0\u30fc\uff09\u304c\u633f\u5165\u3055\u308c\u3066\u7701\u7565\u3092\u8868\u3059\u3068\u3044\u3046\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"yellow\"><div class=\"c-balloon__icon -circle\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/ownmono.com\/blog\/wp-content\/uploads\/2024\/03\/capy_left-150x150.webp\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30ab\u30d4\u30fc\u3055\u3093<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p>\u591a\u304f\u306e\u30b5\u30a4\u30c8\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u624b\u6cd5\u3060\u306a<\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<h3 class=\"wp-block-heading\">JavaScript\u3092\u4f7f\u3063\u305f\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/h3>\n\n\n\n<p>\u307e\u305a\u306f\u30d9\u30fc\u30b9\u3068\u306a\u308b\u30c6\u30ad\u30b9\u30c8\u90e8\u5206\u306b\u3064\u3044\u3066<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;p class=&quot;text-limit&quot;&gt;\n\u685c\u306e\u82b1\u304c\u6e80\u958b\u306b\u54b2\u304d\u8a87\u308a\u3001\u305d\u306e\u7f8e\u3057\u3055\u306b\u5fc3\u304c\u8e8d\u308b\u3002\u98a8\u304c\u305d\u3088\u304e\u3001\u82b1\u3073\u3089\u304c\u821e\u3046\u3002\u4eba\u3005\u304c\u7b11\u9854\u3067\u6b69\u304d\u3001\u6625\u306e\u8a2a\u308c\u3092\u559c\u3076\u3002\u685c\u306e\u30c8\u30f3\u30cd\u30eb\u3092\u629c\u3051\u308c\u3070\u3001\u5e78\u305b\u304c\u5f85\u3063\u3066\u3044\u308b\u3088\u3046\u306a\u6c17\u304c\u3057\u3066\u304f\u308b\u3002\n&lt;\/p&gt;<\/code><\/pre><\/div>\n\n\n\n<p>class\u540d\u306e<strong>text-limit<\/strong>\u90e8\u5206\u306f\u3001\u4eca\u56de\u306e\u65b9\u6cd5\u3092\u7d39\u4ecb\u3059\u308b\u305f\u3081\u306b\u4ed8\u3051\u305f\u3060\u3051\u306b\u306a\u308a\u307e\u3059\u3002\u5b9f\u969b\u306b\u306f\u540c\u4e00\u7b87\u6240\u3092\u304a\u597d\u304d\u306b\u8a18\u8ff0\u3057\u3066OK\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>const limit = document.querySelector(&quot;.text-limit&quot;); \/\/ class\u540d\u3092\u5165\u529b\nconst str = limit.textContent;\nconst len = 50; \/\/ \u534a\u89d250\u5b57\uff08\u5168\u89d2\u7d0425\u5b57\uff09\nif (str.length &gt; len) {\n  limit.textContent = str.substring(0, len) + &quot;\u2026&quot;;\n}<\/code><\/pre><\/div>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-default-tab=\"result\" data-slug-hash=\"yLrdNbj\" data-user=\"takahiro-yoshida\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/takahiro-yoshida\/pen\/yLrdNbj\">\n  Untitled<\/a> by takahiro yoshida (<a href=\"https:\/\/codepen.io\/takahiro-yoshida\">@takahiro-yoshida<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/cpwebassets.codepen.io\/assets\/embed\/ei.js\"><\/script>\n\n\n\n<p>\u3053\u308c\u3067\u5236\u9650\u3057\u305f\u6587\u5b57\u4ee5\u4e0a\u306e\u6642\u70b9\u3067\u300c&#8230;\u300d\u3068\u7701\u7565\u3092\u610f\u5473\u3059\u308b\u8868\u73fe\u306b\u5909\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-big_icon_point\">\u6587\u5b57\u6570\u5236\u9650\u3092\u8a2d\u3051\u308b\u3053\u3068\u3067\u3001PC\u30fb\u30b9\u30de\u30db\u306e\u30c7\u30d0\u30a4\u30b9\u9593\u306b\u3088\u308b\u5dee\u7570\u3067\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u6c17\u306b\u6b62\u3080\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u756a\u5916\u7de8\uff1a\u884c\u6570\u3067\u5236\u9650\u3059\u308b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/h2>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;p class=&quot;text-limit&quot;&gt;\n\u685c\u306e\u82b1\u304c\u6e80\u958b\u306b\u54b2\u304d\u8a87\u308a\u3001\u305d\u306e\u7f8e\u3057\u3055\u306b\u5fc3\u304c\u8e8d\u308b\u3002\u98a8\u304c\u305d\u3088\u304e\u3001\u82b1\u3073\u3089\u304c\u821e\u3046\u3002\u4eba\u3005\u304c\u7b11\u9854\u3067\u6b69\u304d\u3001\u6625\u306e\u8a2a\u308c\u3092\u559c\u3076\u3002\u685c\u306e\u30c8\u30f3\u30cd\u30eb\u3092\u629c\u3051\u308c\u3070\u3001\u5e78\u305b\u304c\u5f85\u3063\u3066\u3044\u308b\u3088\u3046\u306a\u6c17\u304c\u3057\u3066\u304f\u308b\u3002\n&lt;\/p&gt;<\/code><\/pre><\/div>\n\n\n\n<p>\u4eca\u56de\u3082\u4e0a\u8a18HTML\u3092\u30d9\u30fc\u30b9\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1\u884c\u307e\u3067\u3067\u5236\u9650\u3059\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.text-limit {\n  width: 100%;\n  white-space: nowrap;\n  overflow: hidden;\n  text-overflow: ellipsis;\n}<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u8907\u6570\u884c\u3067\u5236\u9650\u3059\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.text-limit {\n  overflow: hidden;\n  display: -webkit-box;\n  -webkit-box-orient: vertical;\n  -webkit-line-clamp: 3; \/* \u5236\u9650\u3057\u305f\u884c\u6570\u3092\u5165\u529b *\/\n}<\/code><\/pre><\/div>\n\n\n\n<p>CSS\u306b\u3088\u308b\u884c\u6570\u3067\u5236\u9650\u3059\u308b\u5834\u5408\u306e\u6ce8\u610f\u70b9\u3068\u3057\u3066\u306f\u3001<strong>\u30c7\u30d0\u30a4\u30b9\u3054\u3068\u306b\u7570\u306a\u308b\u5e45\u3084\u8868\u793a\u9818\u57df\u306b\u5fdc\u3058\u3066\u3001\u5b9f\u969b\u306b\u7701\u7565\u3055\u308c\u308b\u6587\u5b57\u6570\u304c\u5909\u308f\u308b\u70b9\u3067\u3059\u3002<\/strong><\/p>\n\n\n\n<p>\u30d1\u30bd\u30b3\u30f3\u306e\u753b\u9762\u306f\u3001\u30b9\u30de\u30db\u306e\u753b\u9762\u3088\u308a\u3082\u5e83\u3044\u306e\u3067\u540c\u3058\u884c\u6570\u5236\u9650\u306b\u3088\u308a\u7701\u7565\u306f\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30b9\u30de\u30db\u304c\u753b\u9762\u304c\u5c0f\u3055\u304f\u30d1\u30bd\u30b3\u30f3\u3088\u308a\u3082\u884c\u6570\u304c\u8457\u3057\u304f\u5897\u3048\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u540c\u3058\u8981\u7d20\u3067\u3082\u8868\u793a\u3055\u308c\u308b\u6587\u5b57\u6570\u306f\u5c11\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f1d\u3048\u305f\u3044\u60c5\u5831\u3084\u8208\u5473\u3092\u60f9\u304f\u6587\u3067\u8a98\u5c0e\u3057\u305f\u3044\u5834\u5408\u306b\u306f\u4e0d\u5411\u304d\u306a\u65b9\u6cd5\u306b\u306a\u308b\u306e\u3067\u3001\u3054\u6ce8\u610f\u3092\u3002<\/p>\n\n\n\n<h2 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