枚举JavaScript对象的函数

From: JavaEye.com 枚举JavaScript对象的函数： function iterator(obj) { for (var property in obj) { document.writeln("<p>" + property + " : " + obj[property] + "</p>"); } } 一个简单示例(test.js)： function Employee () { this.name = ""; this.dept = "general"; } function Manager() { this.reports = []; } Manager.prototype = new Employee(); function WorkerBee() { this.projects = []; } WorkerBee.prototype = new Employee(); function SalesPerson() { this.dept = "sales"; this.quota = 100; } SalesPerson.prototype = new WorkerBee(); function Engineer() { this.dept = "engineering"; this.machine = ""; } Engineer.prototype = new WorkerBee(); Engineer.prototype.specialty = "code"; function iterator(obj) { for (var property in obj) { document.writeln("<p>" + property + " : " + obj[property] + "</p>"); } } HTML页面为： <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>JavaScript</title> <style type="text/css"> p { font-size: 12px; font-family: Verdana; line-height: 0.5em; } </style> <script language="javascript" type="text/javascript" src="test.js"></script> </head> <body> <script type="text/javascript"> engineer = new Engineer(); iterator(engineer); </script> </body> </html>

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