样式效果如下,点击商品详情 添加样式active
代码
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="Generator" content="EditPlus®"> <meta name="Author" content=""> <meta name="Keywords" content=""> <meta name="Description" content=""> <title>Document</title> <style> .P_nav { top: 0; position: absolute; width: 888px; height: 48px; border: 1px solid #eaeaea; background-color: #f8f8f8; } .P_nav .active { color: #d41c44; background-color: #fff; font-weight: bold; } .P_nav span { position: relative; display: inline-block; border-right: 1px solid #eaeaea; width: 159px; color: #333; text-align: center; height: 48px; line-height: 48px; font-size: 16px; cursor: pointer; vertical-align: top; } a, a:hover { color: #51b8f1; } .goods_parameter { padding: 15px 0 0 20px; overflow: hidden; *zoom: 1; position: relative; border-left: 1px solid #eaeaea; border-right: 1px solid #eaeaea; border-bottom: 1px solid #eaeaea; } ol, ul { list-style: none; } .goods_parameter li { float: left; width: 40%; height: 18px; line-height: 18px; font-size: 12px; color: #333; padding: 5px 0 0 0; margin-right: 3%; } .ellipsis { overflow: hidden; -o-text-overflow: ellipsis; text-overflow: ellipsis; white-space: nowrap; word-break: keep-all; word-wrap: normal; } .P_nav span em { color: #d41c44; font-style: normal; } </style> </head> <body> <span>11111</span> <div class="P_nav j-nav" style=""> <span id="s1" class="j-imagedetailTab j-navtab active" style="cursor:pointer" onclick="showProductInfo(1)">商品详情<i></i></span> <span id="s2" class="j-userratingTab j-navtab" style="cursor:pointer" onclick="showProductInfo(2)">用户评价<em> <b id="commentCounts" class="commentCount v1 v0">2264</b> </em><i></i></span> </div> <div id="goodsDetail" class="j-imagedetail j-navinfo"> <ul class="goods_parameter"> <li title="5.8 英寸" class="ellipsis">屏幕尺寸:5.8 英寸</li> <li title="1200万像素" class="ellipsis">后置摄像头像素:1200万像素</li> <li title="A11+M11 运动协处理器" class="ellipsis">CPU型号:A11+M11 运动协处理器</li> <li title="5.6英寸及以上" class="ellipsis">屏幕尺寸:5.6英寸及以上</li> <li title="64GB" class="ellipsis">机身内存:64GB</li> <li title="全网通" class="ellipsis">网络类型:全网通</li> <li title="iPhone X" class="ellipsis">型号(宣传型号):iPhone X</li> <li title="2017.09.22" class="ellipsis">上市时间:2017.09.22</li> </ul> </div> <div id="userRating" class="goods_parameter"> <br /> <br /> 212121323234 <br /> 212121323234 </div> <script> function showProductInfo(a) { if (a == 1) { addClass(document.getElementById(‘s1‘), ‘active‘); removeClass(document.getElementById(‘s2‘), ‘active‘); document.getElementById(‘goodsDetail‘).style.display = ""; document.getElementById(‘userRating‘).style.display = "none"; } else { addClass(document.getElementById(‘s2‘), ‘active‘); removeClass(document.getElementById(‘s1‘), ‘active‘); document.getElementById(‘goodsDetail‘).style.display = "none"; document.getElementById(‘userRating‘).style.display = ""; } } function hasClass(ele, cls) { cls = cls || ‘‘; if (cls.replace(/\s/g, ‘‘).length == 0) return false; //当cls没有参数时,返回false return new RegExp(‘ ‘ + cls + ‘ ‘).test(‘ ‘ + ele.className + ‘ ‘); } function addClass(ele, cls) { if (!hasClass(ele, cls)) { ele.className = ele.className == ‘‘ ? cls : ele.className + ‘ ‘ + cls; } } function removeClass(ele, cls) { if (hasClass(ele, cls)) { var newClass = ‘ ‘ + ele.className.replace(/[\t\r\n]/g, ‘‘) + ‘ ‘; while (newClass.indexOf(‘ ‘ + cls + ‘ ‘) >= 0) { newClass = newClass.replace(‘ ‘ + cls + ‘ ‘, ‘ ‘); } ele.className = newClass.replace(/^\s+|\s+$/g, ‘‘); } } </script> </body> </html>
原文:https://www.cnblogs.com/huangzhen22/p/10648126.html