[jQuery] selecting class under a parent class

[jQuery] selecting class under a parent class


Need help selecting the class "details" under a parent class "two"
when class "trigger" is clicked.
$().ready(function(){
$('.trigger").click(function(event){
    var thisItem = $(this).parent(); // set thisItem to .two
    $(thisItem).$('.details').slideToggle(); // toggle .details in .two
})
})
<div class="one">
<div class="two"><span class="trigger">trigger</span>
<div class="details">some stuff</div>
</div>
</div>
<div class="one">
<div class="two"><span class="trigger">trigger</span>
<div class="details">some stuff</div>
</div>
</div>
<div class="one">
<div class="two"><span class="trigger">trigger</span>
<div class="details">some stuff</div>
</div>
</div>