{"id":5716,"date":"2016-10-30T00:00:48","date_gmt":"2016-10-29T16:00:48","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=5716"},"modified":"2019-02-05T21:30:44","modified_gmt":"2019-02-05T13:30:44","slug":"classname-active-checked-web-ux-develop","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2016\/10\/classname-active-checked-web-ux-develop\/","title":{"rendered":"\u57fa\u4e8eactive,checked\u7b49\u72b6\u6001\u7c7b\u540d\u7684web\u524d\u7aef\u4ea4\u4e92\u5f00\u53d1"},"content":{"rendered":"<p>by <a href=\"http:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=5716\">http:\/\/www.zhangxinxu.com\/wordpress\/?p=5716<\/a><br \/>\n\u672c\u6587\u5168\u6587\u8f6c\u8f7d\u9700\u8d2d\u4e70\u7248\u6743(500\u00a5)\uff0c\u6458\u8981\u5f15\u6d41\u5219\u514d\u8d39\uff0c\u5177\u4f53<a href=\"http:\/\/www.zhangxinxu.com\/sp\/copyright.html\" target=\"_blank\">\u53c2\u89c1\u8fd9\u91cc<\/a><\/p>\n<h3>\u4e00\u3001\u70ed\u8eab\u5f00\u59cb<\/h3>\n<p>\u5728\u6211\u4eec\u8fdb\u884cweb\u524d\u7aef\u5f00\u53d1\u7684\u65f6\u5019\uff0c\u6069\uff0c\u6362\u79cd\u63a5\u5730\u6c14\u7684\u8bf4\u6cd5\uff0c\u5728\u6211\u4eec\u8fdb\u884c\u7f51\u9875\u5236\u4f5c\u7684\u65f6\u5019\uff0c\u4e00\u5b9a\u4f1a\u5b58\u5728\u5404\u79cd\u4ea4\u4e92\u6548\u679c\uff0c\u6bd4\u65b9\u8bf4\uff0c\u9009\u4e2d\u9ad8\u4eae\uff0c\u70b9\u51fb\u663e\u793a\u66f4\u591a\uff0c\u9009\u9879\u5361\u5207\u6362\u7b49\u7b49\u3002<\/p>\n<p>\u6211\u53ef\u4ee5\u62cd\u7740\u80f8\u812f\u8bf4\uff0c\u7edd\u5bf9\u591a\u6570\u524d\u7aef\u4eba\u5458\u5728\u5b9e\u73b0\u8fd9\u4e9b\u4ea4\u4e92\u6548\u679c\u7684\u65f6\u5019\uff0c\u662f\u6ca1\u6709\u4ec0\u4e48\u89c4\u8303\u6216\u8005\u51c6\u5219\u7684\u3002\u6bd4\u65b9\u8bf4\u70b9\u51fb\u663e\u793a\u66f4\u591a\uff0c\u6709\u4e9b\u4eba\u53ef\u80fd\u76f4\u63a5jQuery <code>$().show()<\/code>\u65b9\u6cd5\uff0c\u6709\u4e9b\u4eba\u53ef\u80fd\u4f1a\u5199\u4e2a\u7c7b\u4f3c<code>.more-show<\/code>\u7684\u7c7b\u578b\u63a7\u5236\u663e\u793a\uff0c\u5177\u4f53\u4f7f\u7528\u4ec0\u4e48\u65b9\u5f0f\uff0c\u7528\u4ec0\u4e48\u6837\u7684\u547d\u540d\uff0c\u5b8c\u5168\u8981\u770b\u7f51\u4e0a\u641c\u5230\u7684\u4ee3\u7801\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff0c\u4ee5\u53ca\u770b\u5f53\u65f6\u7684\u5fc3\u60c5\u3002<\/p>\n<p>\u4ee3\u7801\u5982\u4ea7\u54c1\uff0c\u8981\u60f3\u505a\u51fa\u597d\u4ea7\u54c1\u4e00\u5b9a\u8981\u7ec6\u5fc3\u6253\u78e8\uff0c\u540c\u6837\u7684\uff0c\u5982\u679c\u8981\u60f3\u5199\u7684\u597d\u4ee3\u7801\u4e5f\u9700\u8981\u7ec6\u5fc3\u6253\u78e8\u3002\u6240\u8c13\u6253\u78e8\uff0c\u5c31\u662f\u8ba9\u4e00\u4e9b\u201c\u7cd9\u201d\u7684\u5730\u65b9\u53d8\u5f97\u6d41\u7545\u3002<\/p>\n<p>\u597d\u4ea7\u54c1\u7684\u610f\u4e49\u5728\u4e8e\u7528\u6237\u548c\u4f01\u4e1a\u53d7\u76ca\uff0c\u597d\u4ee3\u7801\u7684\u610f\u4e49\u5728\u4e8e\u81ea\u5df1\u7684\u5bff\u547d\u4ee5\u53ca\u540c\u4e8b\u5173\u7cfb\u3002<\/p>\n<p>\u4ea4\u4e92\u6548\u679c\u7684\u5b9e\u73b0\u65b9\u5f0f\u968f\u6027\uff0c\u5c31\u662f\u4ee3\u7801\u201c\u7cd9\u201d\u7684\u5730\u65b9\uff0c\u6211\u4eec\u5176\u5b9e\u53ef\u4ee5\u7ea6\u5b9a\u4e00\u5957\u901a\u7528\u7684\u89c4\u8303\u6216\u8005\u51c6\u5219\uff0c\u8fd9\u8fd9\u4e00\u5757\u53d8\u5f97\u6d41\u7545\u3002\u867d\u7136\u8bf4\u4ece\u4ea7\u54c1\u7684\u89d2\u5ea6\u8bb2\uff0c\u610f\u4e49\u4e0d\u662f\u5f88\u5927\uff0c\u4f46\u662f\u5bf9\u4e8e\u6211\u4eec\u5f00\u53d1\u4eba\u5458\u81ea\u5df1\u6216\u8005\u4e00\u8d77\u5408\u4f5c\u7684\u540c\u4e8b\u800c\u8a00\uff0c\u5374\u662f\u5f88\u6709\u88e8\u76ca\u7684\u3002\u56e0\u4e3a\uff0c\u53ef\u4ee5\u964d\u4f4e\u6211\u4eec\u65e5\u540e\u7ef4\u62a4\u7684\u6210\u672c\uff0c\u540c\u65f6\u6709\u5176\u4ed6\u4e00\u4e9b\u975e\u5e38\u53d7\u7528\u7684\u76ca\u5904\u3002\u9700\u6c42\u603b\u662f\u8981\u53d8\u66f4\u4e86\uff0c\u8fed\u4ee3\u603b\u662f\u8981\u8fdb\u884c\u7684\u3002\u597d\u7684\u4ee3\u7801\u51c6\u5219\u53ef\u4ee5\u8ba9\u4f60\u4e0d\u6015\u9700\u6c42\u53d8\u66f4\uff0c\u4e0d\u8981\u52a0\u73ed\u4fee\u201c\u9738\u54e5\u201d\u3002\u548c\u4ea7\u54c1\u6210\u4e3a\u597d\u76c6\u53cb\uff0c\u6bcf\u5929\u53ef\u4ee5\u65e9\u65e9\u56de\u53bb\u966a\u5973\u670b\u53cb\u770b\u7535\u89c6\uff0c\u5c82\u4e0d\u5f88\u597d\uff01<\/p>\n<p>\u6211\u7ecf\u8fc7\u8fd9\u4e9b\u5e74\u7684\u5b9e\u8df5\u548c\u63d0\u70bc\uff0c\u5bf9\u4e8e\u4ea4\u4e92\u6548\u679c\u7684\u5b9e\u73b0\u63d0\u70bc\u4e86\u4e00\u5957\u5b9e\u8df5\u51c6\u5219\uff0c\u81f3\u5c11\u5728\u6211\u76ee\u524d\u8fd9\u4e2a\u9636\u6bb5\uff0c\u89c9\u5f97\u662f\u5f88\u6709\u88e8\u76ca\u7684\uff0c\u8fd9\u91cc\u8ddf\u5927\u5bb6\u5206\u4eab\u4e0b\u3002<\/p>\n<p>\u5982\u679c\u7528\u4e00\u53e5\u8bdd\u6982\u62ec\u4e0b\u8fd9\u4e2a\u4ea4\u4e92\u5b9e\u73b0\u51c6\u5219\u5c31\u662f\uff1a<strong>\u5b8c\u5168\u57fa\u4e8eactive,checked\u7b49\u72b6\u6001\u7c7b\u540d\u7684web\u4ea4\u4e92\u5f00\u53d1<\/strong><\/p>\n<h3>\u4e8c\u3001\u8fdb\u5165\u6b63\u9898\uff1a\u57fa\u4e8eactive,checked\u7b49\u72b6\u6001\u7c7b\u540d\u7684web\u4ea4\u4e92\u5f00\u53d1<\/h3>\n<p>\u90a3\u4ec0\u4e48\u662f\u201c\u57fa\u4e8eactive,checked\u7b49\u72b6\u6001\u7c7b\u540d\u7684web\u4ea4\u4e92\u5f00\u53d1\u201d\u5462\uff1f<\/p>\n<p>\u6211\u4eec\u62ff\u6700\u6700\u7b80\u5355\u7684\u201c\u70b9\u51fb\u663e\u793a\u66f4\u591a\u201d\u6548\u679c\u4e3e\u4f8b\uff0c\u6bd4\u65b9\u8bf4\u4e0b\u9762\u8fd9\u79cd\u73b0\u5728\u89c1\u7684\u6bd4\u8f83\u591a\u7684\u67e5\u770b\u66f4\u65b0\u4fe1\u606f\u7684\u6548\u679c\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201610\/2016-10-29_210907.png\" width=\"336\" height=\"140\" alt=\"\u66f4\u591a\u6548\u679c\u622a\u56fe\" class=\"alignnone\" \/><\/p>\n<p>\u9ed8\u8ba4\u72b6\u51b5\u4e0b\uff0c\u5bb9\u5668\u4f1a\u8bbe\u5b9a\u4e00\u4e2a\u9ad8\u5ea6\uff0c\u4f8b\u5982<code>80px<\/code>\uff0c\u7136\u540e<code>overflow:hidden<\/code>\uff0c\u7c7b\u4f3c\u4e0b\u9762\u7684CSS\uff1a<\/p>\n<pre>.box {\r\n    height: 80px;\r\n    overflow: hidden;\r\n}<\/pre>\n<p>\u6b64\u65f6\u8981\u5b9e\u73b0\u70b9\u51fb\u5c55\u5f00\u6548\u679c\uff0c\u5176\u5b9e\u5f88\u7b80\u5355\uff0c\u6bd4\u8f83\u5077\u61d2\u7684\u505a\u6cd5\u5c31\u662fJS\u4e00\u6b65\u641e\u5b9a\uff1a<\/p>\n<pre>more.onclick = function () {\r\n    box.style.height = 'auto';\r\n};<\/pre>\n<p>\u4e5f\u6709\u559c\u6b22\u7528CSS\u7c7b\u540d\u63a7\u5236\u7684\u5c0f\u4f19\u4f34\uff0c\u6b64\u65f6\u4f1a\u53d1\u6325\u81ea\u5df1\u5728CSS\u547d\u540d\u4e0a\u7684\u5929\u8d4b\uff0c\u6765\u4e00\u4e2a<code>.height-auto<\/code>\u7684\u7c7b\u540d\uff1a<\/p>\n<pre>.height-auto {\r\n    height: auto;\r\n}<\/pre>\n<p>\u4e8e\u662f\uff0cJS\u4ee3\u7801\u53d8\u6210\uff1a<\/p>\n<pre>more.onclick = function () {\r\n    box.className = box.className + ' height-auto';\r\n};<\/pre>\n<p>\u5176\u5b9e\u4ece\u4ea7\u54c1\u89d2\u5ea6\u8bb2\uff0c\u4e0a\u9762\u4e24\u79cd\u5b9e\u73b0\u90fd\u65e0\u4f24\u5927\u96c5\uff0c\u90fd\u662f\u4e0d\u9519\u7684\u5b9e\u73b0\uff0c\u4f46\u662f\u4ece\u4ee3\u7801\u5c42\u9762\u8bb2\uff0c\u5219\u5747\u6709\u4e0d\u8db3\u4e4b\u5904\u3002<\/p>\n<p><strong>1. JS\u76f4\u63a5\u63a7\u5236\u6837\u5f0f\u7684\u4e0d\u8db3<\/strong><br \/>\n\u7531\u4e8e\u6211\u4eec\u7f51\u9875\u5927\u90e8\u5206\u7684\u6837\u5f0f\u90fd\u662fCSS\u63a7\u5236\u7684\uff0c\u4e00\u65e6JS\u4e5f\u76f4\u63a5\u53c2\u4e0e\u6837\u5f0f\u63a7\u5236\uff0cCSS\u548cJS\u5c31\u5b58\u5728\u4ea4\u53c9\u5173\u7cfb\uff0c\u7528\u4e00\u4e2a\u8f6f\u4ef6\u672f\u8bed\u63cf\u8ff0\u5c31\u662f\u201c\u8026\u5408\u4e86\u201d\uff0c\u4e00\u65e6\u4e24\u4e2a\u4e8b\u7269\u53d1\u751f\u8026\u5408\uff0c\u52bf\u5fc5\u4f1a\u589e\u52a0\u65e5\u540e\u7684\u7ef4\u62a4\u6210\u672c\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u4ea7\u54c1\u4e0a\u7ebf\u540e\uff0c\u8bbe\u8ba1\u5e08\u7a81\u7136\u5e0c\u671b\u8fd9\u91cc\u7684\u5c55\u5f00\u4e0d\u8981\u8fd9\u4e48\u7684\u786c\uff0c\u5e0c\u671b\u53ef\u4ee5\u6709\u70b9CSS3\u52a8\u753b\u6548\u679c\u3002\u8bf7\u95ee\uff0c\u6b64\u65f6\uff0c\u4f60\u5f53\u5982\u4f55\u7ef4\u62a4\uff0c\u662f\u4e0d\u662fCSS\u65e2\u8981\u4fee\u6539\uff08\u589e\u52a0\u52a8\u753b\u63a7\u5236\uff09\uff0cJS\u4e5f\u8981\u4fee\u6539\uff08\u8bbe\u7f6e<code>height<\/code>\u4e3a<code>auto<\/code>\u4e0d\u4f1a\u89e6\u53d1CSS3\u52a8\u753b\uff09\uff0c\u770b\uff0c\u8981\u4fee\u6539\u4e24\u4e2a\u5730\u65b9\u3002\u5982\u679c\u6211\u4eec\u4e00\u5f00\u59cb\u6240\u6709\u7684\u6837\u5f0f\u90fd\u503c\u4ea4\u7ed9CSS\u63a7\u5236\uff0c\u53ea\u9700\u8981\u6539\u4e00\u4e2aCSS\u6587\u4ef6\u5c31\u53ef\u4ee5\u4e86\u3002\u540c\u65f6\uff0c\u8003\u8651\u5230\uff0c\u5f88\u591a\u516c\u53f8\u5199CSS\u7684\u548c\u5199JS\u7684\u4e0d\u662f\u540c\u4e00\u4e2a\u4eba\uff0c\u5982\u679cCSS\u548cJS\u540c\u65f6\u4fee\u6539\uff0c\u5c82\u4e0d\u662f\u8981\u52a8\u7528\u4e24\u4e2a\u4eba\u529b\u53c2\u4e0e\uff0c\u8fd9\u7528\u4eba\u7684\u6210\u672c\u548c\u5468\u671f\u5c31\u4e0a\u53bb\u4e86\u3002\u867d\u7136\uff0c\u8ba1\u7b97\u4e0b\u6765\uff0c\u90fd\u662f\u5c0f\u6210\u672c\uff0c\u4f46\u662f\uff0c\u4f46\u6211\u4eec\u57cb\u5934\u67d0\u9879\u76ee\u6216\u8005\u67d0\u95ee\u9898\u7684\u65f6\u5019\uff0c\u88ab\u8fd9\u79cd\u5c0f\u9700\u6c42\u63d2\u5165\uff0c\u5176\u5b9e\u662f\u5f88\u635f\u8017\u7cbe\u529b\u7684\u3002\u5982\u679c\u8fd9\u7c7b\u5c0f\u6253\u5c0f\u95f9\uff08\u5c24\u5176\u4e0d\u662f\u81ea\u5df1\u672c\u804c\u7684\uff09\u603b\u80fd\u907f\u514d\uff0c\u5de5\u4f5c\u5c82\u4e0d\u4f1a\u8f7b\u677e\u5f88\u591a\u3002<\/p>\n<p><strong>2. \u547d\u540d\u8bed\u4e49\u6216\u968f\u610f\u7684\u95ee\u9898<\/strong><br \/>\n\u7c7b\u540d\u6837\u5f0f\u8bed\u4e49\u672c\u65e0\u53ef\u539a\u975e\uff0c\u4f46\u662f\uff0c\u5bf9\u4e8eJS\u4ea4\u4e92\u6548\u679c\u5b9e\u73b0\u800c\u8a00\uff0c\u8bed\u4e49\u5316\u5c31\u662f\u95ee\u9898\u6240\u5728\u3002\u8bed\u4e49\u5316\u7684\u7c7b\u540d\u5f80\u5f80\u4ee3\u8868\u4e86\u81ea\u8eab\u662f\u6709CSS\u6837\u5f0f\u7684\uff0c\u4f8b\u5982\uff0c\u4e0a\u9762\u7684<code>.height-auto<\/code>\uff0c\u4f46\u662f\uff0c\u7531\u4e8e\u6211\u4eec\u8fd9\u79cd\u6dfb\u52a0\u7c7b\u540d\u7684\u884c\u4e3a\u662f\u5728JS\u4ee3\u7801\u4e2d\u5b8c\u6210\u7684\uff0c\u56e0\u6b64\uff0c\u672c\u8d28\u4e0a\uff0c<\/p>\n<pre>more.onclick = function () {\r\n    box.className = box.className + ' height-auto';\r\n};<\/pre>\n<p>\u548c<\/p>\n<pre>more.onclick = function () {\r\n    box.style.height = 'auto';\r\n};<\/pre>\n<p>\u51e0\u4e4e\u6ca1\u6709\u4efb\u4f55\u533a\u522b\u3002\u8fd9\u4e2a\u70b9\u5f88\u91cd\u8981\uff0c\u5927\u5bb6\u518d\u4ed4\u7ec6\u60f3\u60f3\uff0c\u8fd9\u4e24\u8005\u662f\u4e0d\u662f\u6ca1\u6709\u672c\u8d28\u7684\u533a\u522b\u3002\u8fd8\u662f\u4e3e\u4f8b\u8bf4\u660e\uff0c\u540c\u6837\u7684\uff0c\u8bbe\u8ba1\u5e08\u7a81\u7136\u5e0c\u671b\u8fd9\u91cc\u7684\u5c55\u5f00\u4e0d\u8981\u8fd9\u4e48\u7684\u786c\uff0c\u5e0c\u671b\u53ef\u4ee5\u6709\u70b9CSS3\u52a8\u753b\u6548\u679c\u3002\u867d\u7136\u8bf4\uff0c\u4ece\u6280\u672f\u7684\u89d2\u5ea6\u8bb2\uff0c\u6211\u4eec\u53ea\u9700\u8981\u4fee\u6539CSS\u4ee3\u7801\u5c31\u53ef\u4ee5\u4e86\uff0c\u4f46\u662f\uff0c\u8fd9\u4e2a<code>.height-auto<\/code>\u547d\u540d&#8230;\u5982\u679c\u6211\u4eec\u628a\u91cc\u9762\u7684\u6837\u5f0f\u6539\u6210\u4e86CSS3\u52a8\u753b\u76f8\u5173\u5185\u5bb9\uff0c\u662f\u4e0d\u662f\u5c31\u725b\u5934\u4e0d\u5bf9\u9a6c\u5634\u4e86\uff1f\u662f\u4e0d\u662f\u8981\u53bbJS\u4e2d\u628a\u8fd9\u4e2a\u7c7b\u540d\u6539\u6210<code>.height-animate<\/code>\u4e4b\u7c7b\u7684\u3002\u770b\uff0c\u6700\u540e\u8fd8\u662f\u6539\u4e86\u4e24\u5904\u3002<\/p>\n<p>\u53e6\u5916\u8fd8\u6709\u4e00\u4e2a\u770b\u4e0a\u53bb\u4e0d\u662f\u95ee\u9898\u7684\u95ee\u9898\uff0c\u90a3\u5c31\u662f\uff0c\u4e00\u4e2a\u9875\u9762\u5f80\u5f80\u4f1a\u6709\u5f88\u591a\u5f88\u591a\u7684\u4ea4\u4e92\u6548\u679c\uff0c\u5982\u679c\u6bcf\u4e2a\u4ea4\u4e92\u6548\u679c\u90fd\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684\u7c7b\u540d\u63a7\u5236\uff0c\u90a3\u5c82\u4e0d\u662fJS\u6587\u4ef6\u4e2d\u6709\u5f88\u591a\u6837\u5f0f\u63a7\u5236\u7684\u7c7b\u540d\u3002\u5f88\u663e\u7136\u7684\uff0c\u8fd9\u4e1c\u897f\u4e00\u65e6\u591a\u4e86\u4e4b\u540e\u554a\uff0c\u81ea\u7136\u4e5f\u5c31\u4e0d\u597d\u7ef4\u62a4\u4e86\u3002<\/p>\n<p><span class=\"s\">&#8212;&#8212;&#8212;&#8212;&#8212;-\u4f4e\u8c03\u7684\u5206\u9694\u7ebf&#8212;&#8212;&#8212;&#8211;<\/span><\/p>\n<p>\u4f46\u662f\uff0c\u5982\u679c\u6211\u4eec\u91c7\u7528\u201c\u57fa\u4e8eactive,checked\u7b49\u72b6\u6001\u7c7b\u540d\u7684web\u4ea4\u4e92\u5f00\u53d1\u201d\uff0c\u5c31\u4e0d\u4f1a\u6709\u4e0a\u9762JS\u548c\u6837\u5f0f\u8026\u5408\u7684\u95ee\u9898\u3002\u5982\u4f55\u505a\u5462\uff1f\u5f88\u7b80\u5355\uff0c\u5c31\u662f\uff0c\u6211\u4eec\u63a7\u5236\u6837\u5f0f\u7684\u7c7b\u540d\u4f7f\u7528<code>.active<\/code>\uff0c<code>.checked<\/code>\u7b49\u8fd9\u79cd\u72b6\u6001\u7c7b\u540d\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>more.onclick = function () {\r\n    box.className = box.className + ' active';\r\n};<\/pre>\n<p>\u5e76\u4e14\uff0c\u7f51\u9875\u6240\u6709\u7684\u9875\u9762\u4ea4\u4e92\u90fd\u4f7f\u7528\u8fd9\u79cd\u72b6\u6001\u7c7b\u540d\uff0c\u6839\u636e\u6211\u81ea\u5df1\u7684\u5b9e\u8df5\uff0c\u5c31\u7b97\u6240\u6709\u4ea4\u4e92\u90fd\u4f7f\u7528<code>.active<\/code>\u8fd9\u540c\u4e00\u4e2a\u7c7b\u540d\u90fd\u662f\u53ef\u4ee5\u7684\uff0c\u800c\u4e14\u4e8b\u5b9e\u4e0a\u662f\u63a8\u8350\u8fd9\u4e48\u505a\u7684\u3002<\/p>\n<p>\u6ce8\u610f\uff0c\u4e0b\u9762\u8fd9\u6761\u51c6\u5219\u5f88\u91cd\u8981\uff0c\u5f88\u91cd\u8981\uff0c\u662f\u672c\u6587\u7684\u7cbe\u9ad3&#8211;<\/p>\n<p><strong style=\"color:#cd0000;\">.active\u7b49JS\u4ea4\u4e92\u7c7b\u540d\u81ea\u8eab\u7edd\u5bf9&#8230;\u7edd\u5bf9\u4e0d\u80fd\u6709CSS\u6837\u5f0f<\/strong><\/p>\n<p>\u518d\u8bf4\u4e00\u904d\uff0c<strong>\u81ea\u8eab\u65e0\u6837\u5f0f<\/strong>\uff0c\u5c31\u662f\u4e00\u4e2a\u72b6\u6001\u6807\u8bc6\u7b26\uff0c\u7528\u6765\u548c\u5176\u4ed6\u7c7b\u540d\u53d1\u751f\u5173\u7cfb\uff0c\u7136\u540e\u8ba9\u5176\u4ed6\u7c7b\u540d\u7684\u6837\u5f0f\u53d1\u751f\u53d8\u5316\u3002\u8fd9\u79cd\u5173\u7cfb\u53ef\u4ee5\u662f\u7236\u5b50\uff0c\u5144\u5f1f\u6216\u8005\u81ea\u8eab\u3002<\/p>\n<p>\u4e0d\u6025\uff0c\u6211\u4eec\u5148\u770b\u4e00\u4e2a\u4f8b\u5b50\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a href=\"http:\/\/www.zhangxinxu.com\/study\/201610\/click-show-more.html\" target=\"_blank\">\u57fa\u4e8e.active\u7c7b\u540d\u7684\u663e\u793a\u66f4\u591a\u4ea4\u4e92demo<\/a><\/p>\n<p>\u9ed8\u8ba4\u662f\u8fd9\u6837\u7684\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201610\/2016-10-29_210907.png\" width=\"336\" height=\"140\" alt=\"\u66f4\u591a\u6548\u679c\u622a\u56fe\" class=\"alignnone\" \/><\/p>\n<p>\u5f53\u6211\u4eec\u70b9\u51fb\u66f4\u591a\u6309\u94ae\u540e\uff0c\u4f1a\u4ee5CSS3\u52a8\u753b\u7684\u65b9\u5f0f\u5c55\u5f00\u5269\u4f59\u6240\u6709\u6587\u5b57\u4fe1\u606f\uff0c\u5982\u4e0b\u52a8\u56fe\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201610\/active-more-s.gif\" width=\"355\" height=\"203\" alt=\".active\u5b9e\u73b0\u5c55\u5f00\u66f4\u591a\u52a8\u753b\u6548\u679cgif\u622a\u56fe\" class=\"alignnone\" \/><\/p>\n<p>\u4e0b\u9762\u6211\u4eec\u770b\u4e0b\u5173\u952e\u7684CSS\u4ee3\u7801\uff0c\u8fd9\u4e2a<code>.active<\/code>\u662f\u5982\u4f55\u81ea\u8eab\u65e0\u6837\u5f0f\u7684\uff1a<\/p>\n<pre>.box {\r\n    max-height: 80px;\r\n    transition: max-height .25s;\r\n    overflow: hidden;\r\n}\r\n.box.active {\r\n    max-height: 200px;\r\n}\r\n.active &gt; .more {\r\n    display: none;\r\n}<\/pre>\n<p>\u53ef\u4ee5\u770b\u5230\uff0c\u5f53\u6211\u4eec\u70b9\u51fb\u6309\u94ae\u540e\uff0c\u76d2\u5b50\u53d8\u9ad8\uff0c\u4ee5\u53ca\u66f4\u591a\u5143\u7d20\u9690\u85cf\uff0c\u5168\u90e8\u90fd\u662f\u901a\u8fc7\u548c<code>.active<\/code>\u53d1\u751f\u5173\u7cfb\u540e\u53d1\u751f\u7684\uff0c\u800c\u4e0d\u662f<code>.active<\/code>\u81ea\u5df1\u7684\u6837\u5f0f\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u76d2\u5b50\u5b9e\u73b0\u7684<code>200px<\/code>\u4ee5\u5185\u4efb\u610f\u9ad8\u5ea6\u7684\u52a8\u753b\u6548\u679c\uff0c\u662f\u901a\u8fc7<code>.box.active<\/code>\u7ec4\u5408\u7c7b\u540d\u89e6\u53d1\u7684\uff0c\u7528\u4e2d\u6587\u89e3\u91ca\u5c31\u662f<code>.box<\/code>\u5143\u7d20\u540c\u65f6\u6709<code>.active<\/code>\u72b6\u6001\u7684\u65f6\u5019\uff0c\u6837\u5f0f\u5982\u4f55\u5982\u4f55&#8230;<\/p>\n<p>\u540c\u6837\uff0c<code>.active &gt; .more<\/code>\u8868\u793a\uff0c\u5f53\u6211\u7684\u7238\u7238\u72b6\u6001\u4e3a<code>.active<\/code>\u7684\u65f6\u5019\uff0c\u6211\u9690\u85cf\u3002<\/p>\n<p><strong>.active\u672c\u8d28\u4e0a\u626e\u6f14\u7684\u89d2\u8272\u4e0d\u662f\u7c7b\u540d\u6837\u5f0f\uff0c\u800c\u662f\u4e00\u4e2a\u6807\u8bc6\u7b26\uff01<\/strong><\/p>\n<p><span class=\"s\">&#8212;&#8212;&#8212;&#8212;&#8212;-\u4f4e\u8c03\u7684\u5206\u9694\u7ebf&#8212;&#8212;&#8212;&#8211;<\/span><\/p>\n<p>\u6709\u4eba\u53ef\u80fd\u4f1a\u7591\u95ee\uff0c\u4e3a\u4ec0\u4e48\u8981\u8fd9\u6837\u5904\u7406\u5462\uff1f<\/p>\n<p>\u8fd8\u8bb0\u4e0d\u8bb0\u5f97<code>.height-auto<\/code>\u547d\u540d\u95ee\u9898\u6240\u5728\uff0c\u7531\u4e8e\u8fd9\u4e2a\u7c7b\u540d\u672c\u8eab\u7275\u626f\u6837\u5f0f\uff0c\u56e0\u6b64\uff0c\u672c\u8d28\u4e0a\uff0c\u8fd8\u662f\u628aCSS\u6837\u5f0f\u7275\u626f\u5230\u4e86JS\u6587\u4ef6\u4e2d\u3002\u4f46\u662f\uff0c\u5982\u679c\u662f\u4e00\u4e2a\u5b8c\u5168\u6ca1\u6709\u72ec\u7acb\u6837\u5f0f\u7684\u72b6\u6001\u6807\u8bc6\u7b26\uff0c\u5219<code>.active<\/code>\u5728JS\u4e2d\u626e\u6f14\u7684\u89d2\u8272\u4e5f\u5c31\u6210\u4e86\u4e00\u4e2a\u5b8c\u5b8c\u5168\u5168\u771f\u771f\u5207\u5207\u7684\u72b6\u6001\u5360\u4f4d\u7b26\u4e86\uff01\u4e5f\u5373\u662f\u8bf4\uff0c\u867d\u7136\u6211\u4eec\u7684JS\u6587\u4ef6\u4e2d\u51fa\u73b0\u4e86\u7c7b\u540d\uff0c\u4f46\u662f\uff0c\u5c31\u5982\u540c<code>.JS_xxx<\/code>\u7c7b\u540d\u4f5c\u4e3aDOM\u9009\u62e9\u5668\u4e00\u6837\uff0c\u672c\u8eab\u9002\u5408\u6837\u5f0f\u5206\u79bb\u7684\uff0c<strong>\u5b9e\u73b0\u4e86\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u6837\u5f0f\u548c\u884c\u4e3a\u5206\u79bb<\/strong>\uff01<\/p>\n<p>\u6bd4\u65b9\u8bf4\uff0c\u6280\u672f\u603b\u76d1\u7a81\u7136\u89c9\u5f97\u8fd9\u91cc\u5c55\u5f00\u66f4\u591a\u6709\u52a8\u753b\u6548\u679c\u592a\u5570\u55e6\uff0c\u8981\u76f4\u63a5\u5c55\u5f00\uff0c\u8981\u66f4\u786c\u6717\uff0c\u9700\u8981\u8fdb\u884c\u6539\u52a8\u600e\u4e48\u529e\uff1f\u4f60\u4f1a\u53d1\u73b0\uff0c\u6211\u4eec\u6839\u672c\u65e0\u9700\u52b3\u70e6JS\u5f00\u53d1\u5de5\u7a0b\u5e08\uff0c\u76f4\u63a5\u9875\u9762\u4ed4\u6539\u4e00\u4e0bCSS\u6587\u4ef6\u5c31\u53ef\u4ee5\u4e86\uff0c\u4f8b\u5982\uff0c\u56de\u5230\u4e00\u5f00\u59cb\u7684<code>height:auto<\/code>\uff1a<\/p>\n<pre>.box {\r\n    height: 80px;\r\n    overflow: hidden;\r\n}\r\n.box.active {\r\n    height: auto;\r\n}<\/pre>\n<h3>\u4e09\u3001\u9ad8\u6f6e\u5f00\u59cb\uff1a\u57fa\u4e8eactive\u72b6\u6001\u7c7b\u540d\u7684web\u4ea4\u4e92\u5f00\u53d1\u66f4\u70b8\u88c2\u7684\u4f18\u70b9<\/h3>\n<p>\u91c7\u7528\u201c\u57fa\u4e8eactive\u72b6\u6001\u7c7b\u540d\u7684web\u4ea4\u4e92\u5f00\u53d1\u201d\u9664\u4e86\u4e0a\u9762\u63d0\u5230\u7684\u201cCSS\u6837\u5f0f\u548cJS\u884c\u4e3a\u5206\u79bb\u201d\u6709\u5229\u4e8e\u65e5\u540e\u7ef4\u62a4\u7684\u4f18\u70b9\u5916\uff0c\u8fd8\u6709\u5f88\u591a\u5176\u4ed6\u70b8\u88c2\u7684\u4f18\u70b9\uff1a<\/p>\n<ol>\n<li><strong>\u7701\u4e86\u5f88\u591a\u60f3\u547d\u540d\u7684\u8111\u7ec6\u80de<\/strong>\n<p>\u5988\u5988\u518d\u4e5f\u4e0d\u8981\u62c5\u5fc3\u6709\u4e9b\u5355\u8bcd\u4e0d\u77e5\u9053\u600e\u4e48\u7ffb\u8bd1\u5566~~<\/p>\n<\/li>\n<li><strong>CSS\u548cJS\u4ee3\u7801\u53ef\u8bfb\u6027\u66f4\u5f3a\u4e86<\/strong>\n<p>\u4e00\u65e6\u5728CSS\u6216JS\u4e2d\u770b\u5230<code>'.active'<\/code>\uff0c\u5927\u5bb6\u90fd\u77e5\u9053\uff0c\u9875\u9762\u8fd9\u5757\u5185\u5bb9\u8981\u53d8\u5f62\u4e86\uff1b<\/p>\n<\/li>\n<li><strong>JS\u4ee3\u7801\u91cf\u66f4\u5c11\u4e86<\/strong>\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u5728\u5168\u5c40\uff0c\u6216\u8005\u9876\u5c42\u5c40\u90e8\u5b9a\u4e49\u8fd9\u4e48\u4e00\u4e2a\u53d8\u91cf\uff1a<\/p>\n<pre>var ACTIVE = 'active';<\/pre>\n<p>\u5219\uff0c\u7531\u4e8e\u6211\u4eec\u6240\u6709\u7684\u4ea4\u4e92\u90fd\u53ea\u8981\u8fd9\u4e00\u4e2a\u7c7b\u540d\uff0c\u56e0\u6b64\uff0c\u5f53\u6211\u4eecJS\u538b\u7f29\u7684\u65f6\u5019\uff0c\u5176\u538b\u7f29\u7387\u8981\u9ad8\u5f88\u591a\uff0c\u4e5f\u66f4\u597d\u7ef4\u62a4\u3002\u5047\u5982\u8bf4\u9875\u9762\u4e2d\u670910\u4e2aUI\u4ea4\u4e92\u6548\u679c\uff0c\u539f\u5148\u662f10\u4e2a\u4e0d\u80fd\u538b\u7f29\u7684\u5b57\u7b26\u4e32\uff0c\u73b0\u5728\u53d8\u6210\u4e861\u4e2a\uff0c\u4ee3\u7801\u91cf\u81ea\u7136\u8981\u5c11\u3002<\/li>\n<li><strong>\u7c7b\u540d\u538b\u7f29\u6210\u4e3a\u4e86\u53ef\u80fd<\/strong>\n<p>\u6211\u51e0\u4e4e\u4ece\u672a\u89c1\u5230\u56fd\u5185\u7684\u7f51\u9875\u4ea7\u54c1HTML\u4e2d\u7684\u7c7b\u540d\u662f\u6709\u538b\u7f29\u7684\uff0c\u5982\u679c<code>.aaa-bbb-ccc<\/code>\u8fd9\u79cd\u7c7b\u540d\u53ef\u4ee5\u538b\u7f29\u62101~2\u4e2a\u5b57\u7b26\uff0c\u90a3\u5c82\u4e0d\u662fCSS\u548cHTML\u538b\u7f29\u7387\u4f1a\u66f4\u559c\u4eba\uff0c\u540c\u65f6\uff0c\u6211\u7684<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=1098\" title=\"\u7cbe\u7b80\u9ad8\u6548\u7684CSS\u547d\u540d\u51c6\u5219\/\u65b9\u6cd5\">CSS\u547d\u540d\u6700\u4f73\u5b9e\u8df5\uff08\u65e0ID\uff0c\u65e0\u5c42\u7ea7\uff0c\u65e0\u6807\u7b7e\uff09<\/a>\u552f\u4e00\u7684HTML\u4e2dclassName\u4f1a\u6bd4\u8f83\u591a\u7684\u95ee\u9898\u4e5f\u89e3\u51b3\u4e86\u3002<\/p>\n<p>\u7c7b\u540d\u538b\u7f29\u6700\u5927\u7684\u963b\u788d\uff0c\u5728\u6211\u770b\u6765\uff0c\u5c31\u662f\u6211\u4eec\u5c0f\u4f19\u4f34\u5728\u5b9e\u73b0JS\u4ea4\u4e92\u6548\u679c\u7684\u65f6\u5019\u4e0d\u6ce8\u610f\uff0c\u5e38\u5e38\u628a\u5e26\u6709CSS\u6837\u5f0f\u7684\u7c7b\u540d\u6df7\u5728JS\u6587\u4ef6\u4e2d\uff0c\u5e76\u4e14\u547d\u540d\u968f\u610f\uff0c\u5e76\u4e14\uff0c\u4f1a\u628a\u7c7b\u540d\u5b57\u7b26\u4e32\u8fdb\u884c\u5206\u9694\u5904\u7406\uff0c\u5c24\u5176\u4e00\u4e9b\u7f51\u4e0a\u7684UI\u7ec4\u4ef6\uff0c\u7c7b\u4f3c\uff1a<\/p>\n<pre>var classNameRoot = 'swipe-slide-';\r\n<\/pre>\n<p>\u7136\u540e\uff0c\u901a\u8fc7\u8fd9\u4e2a\u7c7b\u540d\u524d\u7f00\uff0c\u62fc\u63a5\u5176\u4ed6\u7c7b\u540d\uff0c\u4f60\u8bf4\uff0c\u8fd9\u8be5\u5982\u4f55\u51c6\u786e\u538b\u7f29\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u5982\u679c\u5927\u5bb6\u9075\u5faa\u201c\u57fa\u4e8eactive\u72b6\u6001\u7c7b\u540d\u7684web\u4ea4\u4e92\u5f00\u53d1\u201d\uff0cJS\u6587\u4ef6\u4e2d\u53ea\u6709\u4e0d\u53c2\u4e0eCSS\u6837\u5f0f\u7684\u7c7b\u540d\u9009\u62e9\u5668\uff0c\u4ee5\u53ca\u4e0d\u53c2\u4e0eCSS\u6837\u5f0f\u7684\u4ea4\u4e92\u6548\u679c\u5360\u4f4d\u7b26\uff0c\u5219\u6211\u4eec\u5c31\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u8bbe\u7f6e\u4e0d\u8fc7\u6ee4\u7684\u7c7b\u540d\uff0c\u5b9e\u73b0\u6211\u4eec\u7684\u7c7b\u540d\u538b\u7f29\u6548\u679c\u4e86\u3002\u4f8b\u5982\u5728<code>config.js<\/code>\u4e2d\uff1a<\/p>\n<pre>{\r\n    \"compressClassName\": true,\r\n    \"ignoreClassName\": [\"active\", \"disabled\", \"checked\", \"selected\"]\r\n}<\/pre>\n<p>\u8ba9\u6211\u4eec\u7684\u7c7b\u540d\u538b\u7f29\u5de5\u5177\u4e0d\u538b\u7f29\u8fd9\u4e9b\u7c7b\u540d\uff0c\u5219\u6211\u4eec\u5b8c\u5168\u4e0d\u8981\u5173\u5fc3JS\uff0c\u4e5f\u5c31\u662f\u65e0\u9700\u53bb\u622a\u81ea\u9875\u9762\u4f7f\u7528\u7684JS\u8d44\u6e90\uff0c\u53ea\u8981\u5b89\u5b89\u5fc3\u5fc3\u538b\u7f29CSS\u6587\u4ef6\u4e2d\u7684\u7c7b\u540d\uff0c\u540c\u65f6\u5bf9\u6211\u4eec\u9875\u9762\u4e2d\u4f7f\u7528\u7684\u7c7b\u540d\u8fdb\u884c\u538b\u7f29\u5c31\u53ef\u4ee5\u4e86\uff0c\u4e00\u4e2a\u60f3\u5b9e\u73b0\u5f88\u591a\u5e74\u7684\u4e1c\u897f\u5c31\u901a\u8fc7\u8fd9\u4e48\u4e2a\u5b9e\u73b0\u51c6\u5219\u7ea6\u675f\u7ed9\u5b9e\u73b0\u4e86\u3002<\/p>\n<p>\u5b9e\u73b0\u4e86\uff1f\u5bf9\uff0c\u5b9e\u73b0\u4e86\u3002<\/p>\n<p>\u7531\u5b9e\u4e60\u751f\u5b8c\u6210\u7684\u6211\u4eec\u9605\u6587\u96c6\u56e2\u65b0\u7684\u62db\u8058\u5b98\u7f51\u5df2\u7ecf\u53ef\u4ee5\u5916\u7f51\u8bbf\u95ee\u4e86\uff0c\u4e0d\u8fc7\u8fd8\u6709\u4e9b\u7ec6\u8282\u9700\u8981\u6253\u78e8\uff0c\u6240\u6709\u8001\u7ad9\u8fd8\u6ca1\u505a301\u8df3\u8f6c\uff0c\u73b0\u5728\u6211\u662f\u6084\u6084\u7684\u544a\u8bc9\u5927\u5bb6\u5730\u5740\u7684\uff0c\u5927\u5bb6\u8fd9\u51e0\u5929\u4f4e\u8c03\u4f20\u64ad\uff0c\u4ec0\u4e48\u65f6\u5019\u9ad8\u8c03\u4f20\u64ad\u53ef\u4ee5<a href=\"http:\/\/weibo.com\/zhangxinxu\" target=\"_blank\">\u5173\u6ce8\u6211\u7684\u5fae\u535a<\/a>\uff1a<a href=\"http:\/\/join.yuewen.com\/\" target=\"_blank\">http:\/\/join.yuewen.com\/<\/a><\/p>\n<p>\u6574\u4e2a\u62db\u8058\u7ad9\u7684HTML\u7c7b\u540d\uff08\u5982\u679cCSS\u6709\u4f7f\u7528\uff09\u5168\u90e8\u8fdb\u884c\u4e862\u5b57\u7b26\u7684\u538b\u7f29\uff082\u5b57\u7b26\u663e\u5f97\u66f4\u89c4\u6574\uff0c\u6211\u5fc3\u91cc\u8212\u670d\uff09\uff0c\u5982\u4e0b\u622a\u56fe\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201610\/2016-10-29_225659.png\" width=\"498\" height=\"344\" alt=\"\u7c7b\u540d\u538b\u7f29\u540e\u7684HTML\u6548\u679c\u622a\u56fe\" class=\"alignnone\" 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