JavaScript 使用 for...in 循环遍历对象属性与值的方法

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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script>
	function fun1(obj){  
  var names="";    
	/*for in 可以用于数组或者对象*/
  for(var name in obj){    
    names+=name+": "+obj[name]+", <br/>"; 
  } 
  document.write(names); 
} 
fun1(window); 
</script>
</head>

<body>
</body>
</html>