<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
</head>
<body>
<div class="details-toggle">
<strong class="toggle-trigger">View Details</strong><br/>
<div class="toggle-target" style="display: none">
<ul>
<li>Lorem</li>
</ul>
</div>
</div>
<div class="details-toggle">
<strong class="toggle-trigger">View Details</strong><br/>
<div class="toggle-target" style="display: none">
<ul>
<li>Lorem</li>
</ul>
</div>
</div>
</select>
<script>
$('.toggle-trigger').click(function () {
$(this).parent().find('.toggle-target').slideToggle(300);
});
</script>
</body>
</html>
таки работает