data selector
Description: Selects elements which have data stored under the specified key.
-
jQuery( ":data(key)" )
key: The data key.
The expression $( "div:data(foo)") matches a <div> if it has data stored via .data( "foo", value ).
Example:
Select elements with data and change their background color.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>data demo</title>
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/smoothness/jquery-ui.css">
<style>
div {
width: 100px;
height: 100px;
border: 1px solid #000;
float: left;
}
</style>
<script src="//code.jquery.com/jquery-1.12.4.js"></script>
<script src="//code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
</head>
<body>
<div id="one"></div>
<div id="two"></div>
<div id="three"></div>
<script>
$( "#one" ).data( "color", "blue" );
$( "#three" ).data( "color", "green" );
$( ":data(color)" ).each(function() {
var element = $( this );
element.css( "backgroundColor", element.data( "color" ) );
});
</script>
</body>
</html>