我需要 jQuery 代码,我可以用它来查找 div,它是至少一个 ul
的直接父级,而 ul
又包含 3 个以上的元素。当找到这样的 div
时,它应该将类名 target
添加到它。
例如,如果我有以下 HTML 代码:
JSFiddle 在这里: http://jsfiddle.net/AvkY5/
<div class="main">
<div class="main_child_1">
<ul>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
</ul>
<ul>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
</ul>
</div>
<div class="main_child_2">
<ul>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
</ul>
</div>
<div class="main_child_3">
<p>Lorem Ipsum</p>
</div>
<div class="main_child_4">
<ul>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
</ul>
<div class="main_child_4_child_1">
<p>Lorem Ipsum</p>
</div>
<div class="main_child_4_child_2">
<ul>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
</ul>
</div>
</div>
<div class="main_child_5">
<p>Lorem Ipsum</p>
<div class="main_child_5_child_1">
<p>Lorem Ipsum</p>
</div>
<div class="main_child_5_child_2">
<ul>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
</ul>
</div>
</div>
<div class="main_child_6">
<ul>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
</ul>
<div class="main_child_6_child_1">
<p>Lorem Ipsum</p>
</div>
<div class="main_child_6_child_2">
<ul>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
<li>Lorem Ipsum</li>
</ul>
</div>
<div class="main_child_6_child_3">
<p>Lorem Ipsum</p>
</div>
</div>
</div>
然后在这段代码中,以下 div 应该将 target
添加到它们的类名中:
- main_child_2
- main_child_4
- main_child_5_child_2
- main_child_6_child_2
什么 jQuery 代码可以实现这个?
最佳答案
怎么样
$("div").filter(function() {
return $(this).children("ul li").length > 3;
}).addClass("target");
关于jquery - 需要 jQuery 代码来查找包含 ul 且元素超过 3 个的 div,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/18984557/