In jQuery, the “empty” selector is used to select all elements that have no children (including any text inside).
Examples
<div class="div-class1">
This is div-class1
</div>
<div class="div-class2" />
$(‘:empty’) – The “div-class2” is matched, while the “div-class1” is not.
jQuery Example
A simple example to show the use of the jQuery “empty” selector.
<html>
<head>
<title>jQuery empty example</title>
<script type="text/javascript" src="jquery-1.3.2.min.js"></script>
<style type="text/css">
div{
padding:8px;
border:1px solid;
}
</style>
</head>
<body>
<h1>jQuery empty example</h1>
<div class="div-class1">
This is div-class1
</div>
<div class="div-class2" />
<div class="div-class3">
This is div-class3
<div class="div-class3-1">
This is div-class3-1
</div>
</div>
<br/><br/>
<button>:empty</button>
<script type="text/javascript">
$("button").click(function () {
var str = $(this).text();
$("*").css("background", "white");
$(str).css("background", "coral");
});
</script>
</body>
</html>
