菜鸟教程在线编辑器

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

<script>
$(function () { 
	function fun( html ){ 
		document.body.innerHTML += "<br>" + html; 
	} 
	fun($.isPlainObject({}));  
	fun($.isPlainObject( "test" ));
	fun($.isPlainObject(document.location)); //在 IE 8 中返回 true
})
</script>
 
</body>
</html>
              