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validate.io-undefined

Validates if a value is undefined.

v1.0.3 URL: https://unpkg.com/validate.io-undefined@1.0.3/lib/index.js

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validate.iovalidatevalidationvalidatorundefinedvoidistypecheckisundefinedvalid

is-nil

Checks if the given value is null or undefined

v1.0.1 URL: https://unpkg.com/is-nil@1.0.1/index.js

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checkchecksisnildetectvaluetypenullundefinedvoid

@stdlib/assert-is-undefined-or-null

Test if a value is undefined or null.

v0.2.2 URL: https://unpkg.com/@stdlib/assert-is-undefined-or-null@0.2.2/lib/index.js

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stdlibstdassertassertionassertutilitiesutilityutilsutilundefinedvoidnullisisundefinedisnullisvoidtypecheckvalidvalidatetest

is-answer

Returns true if an answer to a prompt is not undefined, null, an empty object, empty array, or a string with zero length.

v0.1.1 URL: https://unpkg.com/is-answer@0.1.1/index.js

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answeris

@stdlib/assert-is-undefined

Test if a value is undefined.

v0.2.2 URL: https://unpkg.com/@stdlib/assert-is-undefined@0.2.2/lib/index.js

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stdlibstdassertassertionassertutilitiesutilityutilsutilundefinedvoidisisundefinedisvoidtypecheckvalidvalidatetest