unijad/jsbin.wuvib.css

## jsbin.wuvib.css
.parent {padding:25px; border:1px solid #ccc; background:#ccc;}
.child {background:#fff; padding:15px; margin:5px 0 0;}

## jsbin.wuvib.html
<!DOCTYPE html>
<html>
<head>
<script src="http://code.jquery.com/jquery-1.11.0.min.js"></script>
  <meta charset="utf-8">
  <title>JS Bin</title>
</head>
<body>
  <div class="parent">
    parent
    <div class="child">child</div>
  </div>
</body>
</html>

## jsbin.wuvib.js
$('.parent').on('click', function(e){
  console.log($(e.target).hasClass('child'));
  if($(e.target).hasClass('child')) {
    alert('child');
  } else {
    alert('parent');
  }
});
	.parent {padding:25px; border:1px solid #ccc; background:#ccc;}
	.child {background:#fff; padding:15px; margin:5px 0 0;}
	<!DOCTYPE html>
	<html>
	<head>
	<script src="http://code.jquery.com/jquery-1.11.0.min.js"></script>
	<meta charset="utf-8">
	<title>JS Bin</title>
	</head>
	<body>
	<div class="parent">
	parent
	<div class="child">child</div>
	</div>
	</body>
	</html>
	$('.parent').on('click', function(e){
	console.log($(e.target).hasClass('child'));
	if($(e.target).hasClass('child')) {
	alert('child');
	} else {
	alert('parent');
	}
	});