Locate the unordered list if its immediate parent is a list item

Here is the HTML code snippet I am working with:

<div class="nav-collapse collapse">
  <ul class="nav">
    <li class="dropdown">
      <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
      <ul class="dropdown-menu">
        <li><a href="#">Action</a></li>
        <li><a href="#">Another action</a></li>
        <li><a href="#">Something else here</a></li>
        <li class="divider"></li>
        <li class="nav-header">Nav header</li>
        <li><a href="#">Separated link</a></li>
        <li><a href="#">One more separated link</a></li>
      </ul>
    </li>
  </ul>
</div>

In order to dynamically add classes and attributes to elements using jQuery, I need to target specific elements. For example, if the parent element of a ul is an li, I want to add classes to both the ul and its parent.

Here is how I am attempting to achieve this using jQuery:

$(".nav-collapse").find("ul").first().addClass("nav");
 $(".nav-collapse").find("li").hast("ul").addClass("nav");
$(".nav").find("li a").attr("data-toggle", "dropdown").append("<b class='caret'></b>");
$(".nav").find("li ul").addClass("dropdown-menu");
$(".nav").find("li ul li").addClass("dropdown-submenu");
$('.dropdown-toggle').dropdown();

Answer №1

Retrieve all unordered lists and then selectively target only those items that are a child of a list item element.

$('ul').filter(function(){
    return $(this).parent().is('li')
}).addClass('dropdown-menu')

As for the second scenario mentioned in the comment

If a list item contains unordered list elements as children, apply the 'dropdown' class to it.

$('li:has(ul)').addClass('dropdown')

Answer №2

Can someone please help me locate the ul element only if its parent is an li element?

$("li > ul")

Answer №3

Check out this solution:

if($('li>ul:first')){
        $('li>ul:first').addClass('dropDown-menu');
        $('.dropDown-menu').parent().addClass('dropDown');
    }

To prevent applying the class when another UL exists within the li tags, I've used :first as a precaution.

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