js创建对象

var chenhao = Object.create(null);

 Object.defineProperty( chenhao,

                'name', { value:  'Chen Hao',

                          writable:     true,

                          configurable: true,

                          enumerable:   true });

Object.defineProperties( chenhao,

    {

        'email'  : { value:  'haoel@hotmail.com',

                     writable:     true,

                     configurable: true,

                     enumerable:   true },

        'website': { value: 'http://coolshell.cn',

                     writable:     true,

                     configurable: true,

                     enumerable:   true }

    }

);