对于具有类"arrow"的span元素,我try 将一个类添加到div中,其中包含来自其父级的类"坍塌",并将一个属性添加到具有类"navbar-toggler"的div中.
我try 了以下代码:
$(function() {
$('.arrows[aria-expanded="true"]').closest('.navbar-toggler').setAttribute("aria-expanded", true);
});
$(function() {
$('.arrows[aria-expanded="true"]').parents('.collapse').addClass('in')
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="navbar-toggler collapse-icons" data-toggle="collapse" data-target="#exCollapsingNavbar10">
<i class="material-icons add"></i>
<i class="material-icons remove"></i>
</div>
<div class="collapse" id="exCollapsingNavbar10">
<ul class="category-sub-menu">
<li data-depth="1" data-id="11">
<a class="category-sub-link" href=" ">Educație Arduino</a>
<span class="arrows" data-toggle="collapse" data-target="#exCollapsingNavbar11" aria-expanded="true">