a9ae36e4_ication___ECMA_262_Edition_5_1__Argument_Type
[Result] The result equals the input argument (no conversion). [Argument Type] 
Number
U n d e f i n e d
N u l l
B o o l e a n
N u m b e r
S t r i n g
O b j e c t
ECMAScript Language Specification - ECMA-262 Edition 5.1
Argument Type