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JavaScript
Data Types
Assign values. Watch each type reveal itself.
l
e
t
a
=
4
2
;
l
e
t
b
=
"
h
e
l
l
o
"
;
l
e
t
c
=
t
r
u
e
;
l
e
t
d
=
n
u
l
l
;
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JavaScript — primitive data types