[英]how to find all class name in ul > li
我必須通過 javascript 更改我的 html 代碼。 如果標簽在類中包含 li 標簽的 has-children,我想為標簽添加 span 標簽
<span> <a></a> <span class="sub-menu-toggle"></span></span>
這是我的代碼,我可以更改第一步 li.has-children 如何更改所有內容? 班級=有孩子
$('.has-children').each(function(i, e) { var aTag = $(this).find('a')[0].outerHTML; var ulTag = $(this).find('ul')[0].outerHTML; $(this).html('<span>' + aTag + '<span class="sub-menu-toggle"></span></span>' + ulTag); });
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <nav class="site-menu"> <ul style="display: none"> <li class="has-children"> <a href="javascript:void(0)">Menu</a> <ul class="sub-menu"> <li class="has-children"> <a href="javascript:void(0)">First Sub Menu</a> <ul class="sub-menu"> <li class=""> <a href="javascript:void(0)">Second Sub Menu</a> </li> </ul> </li> </ul> </li> </ul> </nav>
這個怎么樣?
$('.has-children>a').each(function() { $(this).wrap('<span/>') .after('<span class="sub-menu-toggle"/>'); });
a { text-decoration: none } span a { text-decoration: underline } .sub-menu-toggle::after { content: " ʘ" }
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <nav class="site-menu"> <ul style="display"> <li class="has-children"> <a href="javascript:void(0)">Menu</a> <ul class="sub-menu"> <li class="has-children"> <a href="javascript:void(0)">First Sub Menu</a> <ul class="sub-menu"> <li class=""> <a href="javascript:void(0)">Second Sub Menu</a> </li> </ul> </li> </ul> </li> </ul> </nav>
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