琴键:http://jsfiddle.net/krish7878/6xpdeLa6/
有两个div:。panel-heading和。panel-collapse。如果。panel-collapse有"in"类,则必须在。panel-heading中添加一个图标。我有jquery,但问题是图标不更新时,类的变化。
HTML代码:<div class="sub-menu-1 panel-group" id="accordion">
<div class="panel panel-default">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#accordion" href="#collapseOne">
FASHION
</a>
</h4>
</div><!-- /.panel-heading -->
<div id="collapseOne" class="panel-collapse collapse in">
<div class="panel-body">
<ul class="list-normal sub-menu-list">
<li>
<a href="#">
<i class="fa fa-chevron-right"></i>
Man
</a>
</li>
<li>
<a href="#">
<i class="fa fa-chevron-right"></i>
Women
</a>
</li>
<li>
<a href="#">
<i class="fa fa-chevron-right"></i>
Children
</a>
</li>
<li>
<a href="#">
<i class="fa fa-chevron-right"></i>
Infants
</a>
</li>
</ul><!-- /.sub-menu-list -->
</div>
</div><!-- /#collapseOne -->
</div><!-- /.panel -->
<div class="panel panel-default">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#accordion" href="#collapseTwo">
SPORTS
</a>
</h4>
</div><!-- /.panel-heading -->
<div id="collapseTwo" class="panel-collapse collapse">
<div class="panel-body">
<ul class="list-normal sub-menu-list">
<li>
<a href="#">
<i class="fa fa-chevron-right"></i>
Sports Gear
</a>
</li>
<li>
<a href="#">
<i class="fa fa-chevron-right"></i>
Sports Shoes
</a>
</li>
<li>
<a href="#">
<i class="fa fa-chevron-right"></i>
Discounted Stuff
</a>
</li>
<li>
<a href="#">
<i class="fa fa-chevron-right"></i>
Other Option
</a>
</li>
<li>
<a href="#">
<i class="fa fa-chevron-right"></i>
Other Option 2
</a>
</li>
<li>
<a href="#">
<i class="fa fa-chevron-right"></i>
Other Option 3
</a>
</li>
</ul><!-- /.sub-menu-list -->
</div><!-- /.panel-body -->
</div><!-- /#collapseTwo -->
</div><!-- /.panel -->
JS代码:
$(".panel-heading + .collapse:not(.in)").prev().append("<i class='fa fa-plus'></i>");
$(".panel-heading + .collapse.in").prev().append("<i class='fa fa-minus'></i>");
我认为代码需要运行每次类的变化,但我不确定如何做到这一点,任何帮助将不胜感激。
jsfield
你可以这样做:
$(document).ready(function(){
$(".panel-heading + .collapse:not(.in)").prev().append("<i class='fa fa-plus'></i>");
$(".panel-heading + .collapse.in").prev().append("<i class='fa fa-minus'></i>");
$('.panel-heading a').click(function(){
$('.panel').find('.collapse.in').prev().find("i").addClass("fa-plus").removeClass("fa-minus");
$(this).parents('.panel-heading').find("i.fa-plus").removeClass("fa-plus").addClass("fa-minus");
$(this).parents('.panel').find('.collapse.in').prev().find("i.fa-minus").removeClass("fa-minus").addClass("fa-plus");
});
});