Search results
311 packages found
Test if a value is an object.
Test if a value is a number having an integer value.
Test if a value is a Buffer object.
Test if a value is object-like.
Test if a value is a collection.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- array
- typed array
- collection
- float64array
- float32array
- int32array
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Test if a value is a regular expression.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- valid
- validate
- regular expression
- regexp
- regex
- is
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Test if a value is a Float64Array.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- float64array
- float64
- double
- ieee754
- typed
- typed array
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Return a function which tests if every element in an array passes a test condition.
Return a function which tests if every element in an array-like object passes a test condition.
Test if a value is a number having a nonnegative value.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- number
- numeric
- nonnegative
- is
- isnumber
- isnumeric
- View more
Test if an array-like object supports the accessor (get/set) protocol.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- array
- typed array
- collection
- float64array
- float32array
- int32array
- View more
Test if a value is a number having a positive value.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- number
- numeric
- positive
- is
- isnumber
- isnumeric
- View more
Test if a value is an array-like object.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- array
- array-like
- is
- isarraylike
- object
- obj
- View more
Test if a value is NaN.
Test if a value is typed-array-like.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed-array-like
- like
- is
- istypedarraylike
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Test if a value is array-like.
Test if a value is iterator-like.
Test if a value is an array of strings.
Test if a value is an array-like object of numbers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- array
- array-like
- is
- number
- numeric
- isnumber
- View more
Test if an object's own property is enumerable.