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isLocalhost

Determines whether the specified value is the localhost.

isLocalhost(value)

returns boolean

Argument Reference

Name	Type	Required	Default	Description
value	string	Yes		The value to check.

Is 127.0.0.1 localhost

isLocalHost("127.0.0.1")

Expected Result: YES

Is ::1 localhost

Test the IPv6 Loopback address. IPv6 only has one loopback address.

isLocalHost("::1")

Expected Result: YES

Is 127.8.8.8 localhost

IPv4 network standards reserve the entire 127.0.0.0/8 address block for loopback networking purposes however they are not usually mapped to localhost by default.

isLocalHost("127.8.8.8")

Expected Result: NO

Is 8.8.8.8 localhost

Not a localhost IP.

isLocalHost("8.8.8.8")

Expected Result: NO

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