子元素数量和遍历子元素

时间 2021-01-21

原文原文链接

编者按：本文作者：贺师俊（网名 Hax），360 高级前端架构师，十多年来一直活跃在前端和 JavaScript 社区。对多项 Web 标准有微小贡献，对 Groovy 语言并间接对 Swift 语言有微小贡献，近年来参与了诸多 ECMAScript 新草案的讨论。曾设计和实现 Jedi 语言并用于生产环境，对自研编程语言略有一点实践经验。三次担任 QCon 出品人并获得「优秀出品人」荣誉，也经常

>>阅读原文<<

1. javascript遍历子元素
2. js遍历子元素
3. 子元素的遍历
4. 遍历DOM元素
5. .each()循环遍历子元素，对比已有元素，避免重复
6. CSS子元素选择父元素
7. 遍历List删除元素
8. NSMutableArray遍历删除元素
9. jquery使用、遍历元素
10. 获取子元素
更多相关文章...
• RSS , <link>, 和 <description> 元素</a> - <a href="http://www.voidme.com/rss" target="_blank" title="RSS 教程"> RSS 教程</a></li> <li> • <a href="http://www.voidme.com/rss/rss-tag-title-link-description-channel" target="_blank" title="RSS <title>, <link>, 和 <description> 元素"> RSS <title>, <link>, 和 <description> 元素</a> - <a href="http://www.voidme.com/rss" target="_blank" title="RSS 教程"> RSS 教程</a></li> <li> • <a href="http://www.voidme.com/content/ifwlmsduwy-bsx" target="_blank" title="C# 中 foreach 遍历的用法"> C# 中 foreach 遍历的用法</a> </li> <li> • <a href="http://www.voidme.com/content/fykxkspdpu-bsx" target="_blank" title="TiDB 在摩拜单车在线数据业务的应用和实践"> TiDB 在摩拜单车在线数据业务的应用和实践</a> </li> </ul> <div class="margin-top-20"></div> <div> <div></div> </div> <div class="margin-top-20"></div> <div class="relative">相关标签/搜索</div> <ul> <a target='_blank' href="http://www.javashuo.com/tag/%E5%85%83%E7%B4%A0" title="元素"> <span class="new-label">元素</span></a> <a target='_blank' href="http://www.javashuo.com/tag/%E5%BE%AE%E9%87%8F%E5%85%83%E7%B4%A0" title="微量元素"> <span class="new-label">微量元素</span></a> <a target='_blank' href="http://www.javashuo.com/tag/%E5%85%83%E7%B4%A0%E7%AC%A6%E5%8F%B7" title="元素符号"> <span class="new-label">元素符号</span></a> <a target='_blank' href="http://www.javashuo.com/tag/iframe%E5%85%83%E7%B4%A0" title="iframe元素"> <span class="new-label">iframe元素</span></a> <a target='_blank' href="http://www.javashuo.com/tag/script%E5%85%83%E7%B4%A0" title="script元素"> <span class="new-label">script元素</span></a> <a target='_blank' href="http://www.javashuo.com/tag/%E7%B4%A0%E6%95%B0" title="素数"> <span class="new-label">素数</span></a> <a target='_blank' href="http://www.javashuo.com/tag/%E7%94%B5%E5%AD%90%E5%85%83%E4%BB%B6" title="电子元件"> <span class="new-label">电子元件</span></a> <a target='_blank' href="http://www.javashuo.com/tag/%E5%85%83%E7%B4%A0%E5%91%A8%E6%9C%9F%E8%A1%A8" title="元素周期表"> <span class="new-label">元素周期表</span></a> <a href="http://www.voidme.com/xlink" target="_blank" title="XLink 和 XPointer 教程"> <span class="new-label">XLink 和 XPointer 教程</span></a> <a href="http://www.voidme.com/mybatis" target="_blank" title="MyBatis教程"> <span class="new-label">MyBatis教程</span></a> <a href="http://www.voidme.com/nosql" target="_blank" title="NoSQL教程"> <span class="new-label">NoSQL教程</span></a> <a href="http://www.voidme.com/tag/数据传输" target="_blank" title="数据传输"> <span class="new-label">数据传输</span></a> <a href="http://www.voidme.com/tag/数据库" target="_blank" title="数据库"> <span class="new-label">数据库</span></a> <a href="http://www.voidme.com/tag/数据业务" target="_blank" title="数据业务"> <span class="new-label">数据业务</span></a> </ul> </div> <div class="article_social"> <div class="article_like"> <div class="circle circle-like" id="my_zan" data_id="eEvIVb6"></div> </div> <div class="clear"></div> <div class="share"> <span class="share-left bdsharebuttonbox" data-tag="share_1"> <a href="#" class="bds_more icon-share" data-cmd="more"> <span class="bds_count" data-cmd="count" title="累计分享0次">0</span> </a> </span> <div class="share-right action action-share bdsharebuttonbox" data-tag="share_1"> <span class="bdshare"> <a href="#" class="bds_sinaweibo icon-weibo" data-cmd="tsina" title="分享到新浪微博">分享到微博</a> <a href="#" class="bds_weixin icon-wechat" data-cmd="weixin" title="分享到微信">分享到微信</a> <a href="#" class="bds_qq icon-qq" data-cmd="sqq" title="分享到QQ好友">分享到QQ</a> </span> </div> </div> <div class="clear"></div> <div class="bottom_plink huodong-detail-plink-banner clearfix"> </div> </div> <script> $(function () { $("#originfo").text("https://blog.csdn.net/qiwoo_weekly/article/details/102908454"); $("#originfo").hover(function () { $("#originfo").attr("href", "/link?url=https://blog.csdn.net/qiwoo_weekly/article/details/102908454"); }, function () { $("#originfo").attr("href", "javascript:void()"); }); }); </script> <script src="http://static2.javashuo.com/static/script/article.js?time=1735430479712" type="text/javascript"></script> </div> <div class="span3 article_right_side"> <div class="right_top"> <div id="right_site_articles" class="article_detail_bg"> <div class="article-part-title"> <span>每日一句</span> </div> <ul class="side_article_list"> 每一个你不满意的现在，都有一个你没有努力的曾经。 </ul> </div><script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>  <ins class="adsbygoogle" style="display:block" data-ad-client="ca-pub-6208739752673518" data-ad-slot="5830279121" data-ad-format="auto" data-full-width-responsive="true"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <div id="right_site_articles"> <div class="article-part-title"> <span>最新文章</span> </div> <ul class="side_article_list"> <li class="side_article_list_item">1. <a href="http://www.javashuo.com/article/p-novtluol-xh.html" target="_blank" title="微软准备淘汰 SHA-1"> 微软准备淘汰 SHA-1 </a> </li> <li class="side_article_list_item">2. <a href="http://www.javashuo.com/article/p-uqnldrjk-xh.html" target="_blank" title="Windows Server 2019 Update 2010，20H2"> Windows Server 2019 Update 2010，20H2 </a> </li> <li class="side_article_list_item">3. <a href="http://www.javashuo.com/article/p-szbkmuhs-xh.html" target="_blank" title="Jmeter+Selenium结合使用(完整篇)"> Jmeter+Selenium结合使用(完整篇) </a> </li> <li class="side_article_list_item">4. <a href="http://www.javashuo.com/article/p-oyswswog-xh.html" target="_blank" title="windows服务基础"> windows服务基础 </a> </li> <li class="side_article_list_item">5. <a href="http://www.javashuo.com/article/p-bmhhjpwy-xh.html" target="_blank" title="mysql 查看线程及kill线程"> mysql 查看线程及kill线程 </a> </li> <li class="side_article_list_item">6. <a href="http://www.javashuo.com/article/p-xevxahst-xh.html" target="_blank" title="DevExpresss LookUpEdit详解"> DevExpresss LookUpEdit详解 </a> </li> <li class="side_article_list_item">7. <a href="http://www.javashuo.com/article/p-ymfcqdpn-xh.html" target="_blank" title="GitLab简单配置SSHKey与计算机建立连接"> GitLab简单配置SSHKey与计算机建立连接 </a> </li> <li class="side_article_list_item">8. <a href="http://www.javashuo.com/article/p-katktxwj-xh.html" target="_blank" title="桶排序(BucketSort)"> 桶排序(BucketSort) </a> </li> <li class="side_article_list_item">9. <a href="http://www.javashuo.com/article/p-hsfiomjz-xh.html" target="_blank" title="桶排序(BucketSort)"> 桶排序(BucketSort) </a> </li> <li class="side_article_list_item">10. <a href="http://www.javashuo.com/article/p-yttkkysb-xh.html" target="_blank" title="C++ 桶排序（BucketSort）"> C++ 桶排序（BucketSort） </a> </li> </ul> </div> </div> <div class="operate_zone"> <div id="right_site_articles" class="article_detail_bg margin-top10"> <div class="article-part-title"> <span><a href="/contact" target="_blank">本站公众号</a></span> </div> <div class="side_article_list user-head"> <span style="color: #5ba607;font-size:14px;"> 欢迎关注本站公众号,获取更多信息</span><br/> <img src="http://open.weixin.qq.com/qr/code?username=develong"/> </div> </div> <div id="right_site_articles"> <div class="article-part-title"> <span>相关文章</span> </div> <ul class="side_article_list"> <li class="side_article_list_item">1. <a href="http://www.javashuo.com/article/p-opnkzvuf-hv.html" target="_blank" title="javascript遍历子元素"> javascript遍历子元素 </a> </li> <li class="side_article_list_item">2. <a href="http://www.javashuo.com/article/p-yyxwqulk-y.html" target="_blank" title="js遍历子元素"> js遍历子元素 </a> </li> <li class="side_article_list_item">3. <a href="http://www.javashuo.com/article/p-djbbexmf-ch.html" target="_blank" title="子元素的遍历"> 子元素的遍历 </a> </li> <li class="side_article_list_item">4. <a href="http://www.javashuo.com/article/p-zlusvudo-x.html" target="_blank" title="遍历DOM元素"> 遍历DOM元素 </a> </li> <li class="side_article_list_item">5. <a href="http://www.javashuo.com/article/p-wexubuum-gt.html" target="_blank" title=".each()循环遍历子元素，对比已有元素，避免重复"> .each()循环遍历子元素，对比已有元素，避免重复 </a> </li> <li class="side_article_list_item">6. <a href="http://www.javashuo.com/article/p-zlkfxqvl-mk.html" target="_blank" title="CSS子元素选择父元素"> CSS子元素选择父元素 </a> </li> <li class="side_article_list_item">7. <a href="http://www.javashuo.com/article/p-zuebsejc-qu.html" target="_blank" title="遍历List删除元素"> 遍历List删除元素 </a> </li> <li class="side_article_list_item">8. <a href="http://www.javashuo.com/article/p-tssuguae-mu.html" target="_blank" title="NSMutableArray遍历删除元素"> NSMutableArray遍历删除元素 </a> </li> <li class="side_article_list_item">9. <a href="http://www.javashuo.com/article/p-qqjorixv-bs.html" target="_blank" title="jquery使用、遍历元素"> jquery使用、遍历元素 </a> </li> <li class="side_article_list_item">10. <a href="http://www.javashuo.com/article/p-paxlhuzl-uv.html" target="_blank" title="获取子元素"> 获取子元素 </a> </li> </ul> <div style='padding-left:10px;font-size:14px;padding-bottom:10px;'> <a href='http://www.javashuo.com/relative/p-kqzpmrzp-uy.html' target='_blank' title="子元素数量和遍历子元素的相关文章"> >>更多相关文章<< </a> </div> </div> </div> </div> </div> <script type="text/javascript"> $('table').each(function (i) { var size = $(this).children().size(); if (size > 1) { $(this).attr('class', "table table-bordered"); } else if (size == 1) { var e11 = $(this).children(":first"); var e1 = e11[0]; var name = e1.nodeName.toLowerCase(); if ("tbody" == name) { if (e1.children.length > 1) { $(this).attr('class', "table table-bordered"); } else if (e1.children.length == 1) { var e12 = e1.children[0]; var name2 = e12.nodeName.toLowerCase(); if ("tr" == name2) { if (e12.children.length > 1) { $(this).attr('class', "table table-bordered"); } } } } } }); window.page = 0; window.last = 0; window.first = true; resize_article_image('#nei', 550); + (function($){ window._bd_share_config = { common: { "bdText": "【" + $("title").text() + "】" + $(".post-content p:lt(2)").text(), "bdMini": "2", "bdMiniList": false, "bdPic": $(".post-content img:first") ? $(".post-content img:first").attr("src") : "", "bdStyle": "0", "bdSize": "24" }, share: [{ bdCustomStyle: 'http://static2.javashuo.com/static/css/share.css' }], }; with(document) 0[(getElementsByTagName("head")[0] || body).appendChild(createElement("script")).src = "http://bdimg.share.baidu.com/static/api/js/share.js?cdnversion=" + ~ ( - new Date() / 36e5)]; })(window.jQuery); </script> </div> <script type="text/javascript" src="http://static2.javashuo.com/static/plugin/highlight/highlight.pack.js"></script> <link href="http://static2.javashuo.com/static/plugin/highlight/styles/docco.css" media="screen" rel="stylesheet" type="text/css" /> <script type="text/javascript"> $('pre').each(function(i, e) { hljs.highlightBlock(e, "<span class='indent'> </span>", false) }); </script> <div class="footer"> <div class="footer-inner" style="padding-top: 50px;padding-bottom: 50px"> <a href="http://www.javashuo.com/contact" target="_blank">联系我们</a> <a href="http://www.javashuo.com/search">最近搜索</a> <a href="http://www.javashuo.com/recent">最新文章</a> <script type="text/javascript" src="https://v1.cnzz.com/z_stat.php?id=1279585947&web_id=1279585947"></script> <a href="https://beian.miit.gov.cn/" target="_blank">沪ICP备13005482号-10</a> <a href="http://www.voidme.com/mybatis" target="_blank">MyBatis教程</a> <a href="http://www.voidme.com/sql" target="_blank">SQL 教程</a> <a href="http://www.voidme.com/mysql" target="_blank">MySQL教程</a> <a href="http://www.voidme.com/java" target="_blank">Java 教程</a> <a href="http://www.voidme.com/thymeleaf" target="_blank">Thymeleaf 教程</a> <a href="http://www.voidme.com/hibernate" target="_blank">Hibernate教程</a> <a href="http://www.voidme.com/spring" target="_blank">Spring教程 </a> <a href="http://www.voidme.com/redis" target="_blank">Redis教程 </a> </div> <div style="display:none;"> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?2936bf9a19a3d5abb5c9c726af070b7c"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); </script> </div> </div> <script type="text/javascript" src="http://static2.javashuo.com/static/script/tip.js?time=1735430479712" async></script> </body> </html>