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 () { 
	$.each({ name: "John", lang: "JS" }, function( k, v ) {
		alert( "关键词: " + k + ", 值: " + v );
	});
})
</script>
 
</body>
</html>

源代码

动行结果