在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(cainiaoplay.com)</title>
<script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script>
</head>
<body>

<script>
$(function () { 
	var defer = $.Deferred(),
		filtered = defer.pipe(function( value ) {
			return value * 2;
		});
	defer.resolve( 5 );
	filtered.done(function( value ) {
		alert( "值是 ( 2*5 = ) 10: " + value );
	});
})
</script>
 
</body>
</html>

源代码

动行结果