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Pete Jelliffe
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By
Pete Jelliffe
Edited
Apr 17, 2023
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lookup
=
arrayAZ
.
map
(
(
e
,
i
)
=>
[
e
,
code
.
split
(
" "
)
[
i
]
]
)
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"’"
.
charCodeAt
(
0
)
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checkChar
=
c
=>
{
const
ascii
=
c
.
charCodeAt
(
0
)
,
upper
=
ascii
-
65
,
lower
=
ascii
-
97
,
check
=
e
=>
e
>=
0
&&
e
<
26
return
{
isChar
:
check
(
upper
)
||
check
(
lower
)
,
isUpper
:
check
(
upper
)
,
isLower
:
check
(
lower
)
}
}
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lookup
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encode
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decode
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array
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arrayAZ
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