![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[多选题]
预测以下代码片段的输出结果: var str ; alert(typeof str)()
A.string
B.undefined
C.String
D.object
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
UNDEFINED
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.string
B.undefined
C.String
D.object
UNDEFINED
A.输出 2
B.输出 1
C.输出 p
D.输出 12
A.string
B.undefined
C.object
D.string
A.hello,it's donghuangtaiyi
B.程序报错
C.hello,it
D.s donghuangtaiyi
A.20
B.20.0
C. NaN
D.155
A. getDate(0);
B.2006
C.4
D.1
E.6
A.tsttst
B.testatest
C.testtest
D.tstatst
A.[101001000]
B.[100100001000000]
C.[123]
D.[10100001000000000]
A.[[1074][321]]
B.3.5
C.[6.54.52.5]
D.[7.2.]
A.[312]
B.[120]
C.[123]
D.123