Or operations in Javascript

 

Expression	Result
True | true	True
True | false	True
False | true	True
False | false	False
1 | 1	1
1 | 0	1
0 | 1	1
0 | 0	0
True | 1	True
1 | true	1
True | 0	True
False | 0	0
0 | false	False
False | 1	1
1 | false	1
Null | null	Null
Null | false	False
False | null	Null
Null | true	True
True | null	True
Null | 0	0
0 | null	Null
Null | 1	1
1 | null	1
Undefined | undefined	Undefined
Undefined | true	True
True | undefined	True
Undefined | false	False
False | undefined	Undefined
Undefined | null	Null
Null | undefined	Undefined
Undefined | 1	1
1 | undefined	1
Undefined | 0	0
0 | undefined	Undefined

 

Code: Http://files.cnblogs.com/owen-zhang/JavaScript_Or.rar