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JavaScript/String/Lower.js at master · TheAlgorithms/JavaScript · GitHub
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/**
*
@function
lower
*
@description
Will convert the entire string to lowercase letters.
*
@param
{
String
} str - The input string
*
@returns
{
String
} Lowercase string
*
@example
lower("HELLO") => hello
*
@example
lower("He_llo") => he_llo
*/
const
lower
=
(
str
)
=>
{
if
(
typeof
str
!==
'string'
)
{
throw
new
TypeError
(
'Invalid Input Type'
)
}
return
str
.
replace
(
/
[
A
-
Z
]
/
g
,
(
char
)
=>
String
.
fromCharCode
(
char
.
charCodeAt
(
)
+
32
)
)
}
export
default
lower
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