这些javascript面试题，你做对了几道？

1.----------------------------------------------------

var fun = function(){this.name = 'peter';return {name: 'jack'};}var p = new fun();

请问p.name是：

a:'peter', b:'jack', c:null, d:undefined

2.----------------------------------------------------

var fun = function(){this.name = 'peter';return 'jack';    }var p = new fun();

请问p.name是：

a:'peter', b:'jack', c:null, d:undefined

3.----------------------------------------------------

var fun = function(){}fun.PRototype = {info : {name : 'peter',age : 25}}var a = new fun();var b = new fun();a.info.name = 'jack';b.info.name = 'tom';

请问a.info.name和b.info.name分别是：

a:'jack', 'tom', b:'jack', 'jack', c:'tom','tom', d:'tom', 'jack'

4.----------------------------------------------------

var fun = function(){this.info = {name : 'peter',age : 25}}var a = new fun();var b = new fun();a.info.name = 'jack';b.info.name = 'tom';

请问a.info.name和b.info.name分别是：

a:'jack', 'tom', b:'jack', 'jack', c:'tom','tom', d:'tom', 'jack', e:其它

5.----------------------------------------------------

var fun = function(){}fun.prototype = {    name : 'peter',    age : 25    }var a = new fun();var b = new fun();a.name = 'jack';b.name = 'tom';

请问a.name和b.name分别是：

a:'jack', 'tom', b:'jack', 'jack', c:'tom','tom', d:'tom', 'jack', e:其它

6.----------------------------------------------------

var fun = function(){this.info = {name : 'peter',age : 25}}fun.prototype = {info : {name : 'peter',age : 25}}var a = new fun();var b = new fun();a.info.name = 'jack';b.info.name = 'tom';

请问a.info.name和b.info.name分别是：

a:'jack', 'tom', b:'jack', 'jack', c:'tom','tom', d:'tom', 'jack'