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6000 packages found
Test if an object's own or inherited property is writable.
Test if an object's own or inherited property is configurable.
Test if a value is an array containing a circular reference.
Hit the mark with your benchmarks
Test if a value is a non-symmetric matrix.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- is
- isndarray
- ndarray
- ndarray-like
- matrix
- ismatrix
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Test if a value is an array-like object containing only negative integers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed array
- is
- istypedarray
- istyped
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Test if a value is an `ArrayBuffer` view.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- arraybuffer
- view
- dataview
- array
- buffer
- typed
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Test if a value is an array-like object containing only null values.
Test if a value is complex-typed-array-like.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- complex
- cmplx
- typed
- array
- typed-array-like
- like
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Test whether at least one element in a collection passes a test implemented by a predicate function.
Test whether a collection contains at least `n` elements which pass a test implemented by a predicate function.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- test
- predicate
- any
- every
- all
- array.some
- array.every
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Test if a value is named typed tuple-like.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- is
- istuple
- istuplelike
- typed
- tuple
- tuple-like
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Test if a value is an empty 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 an ndarray-like object containing single-precision floating-point numbers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- is
- isndarray
- ndarray
- ndarray-like
- array
- nd
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Test if a value is a 2-dimensional ndarray-like object containing single-precision floating-point numbers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- is
- isndarray
- ndarray
- ndarray-like
- matrix
- ismatrix
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Test if a value is an empty array-like object.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- array
- array-like
- empty
- is
- isarraylike
- object
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Test whether a collection contains at least `n` elements which are truthy.
Test if a value is a valid array length.
Test whether all elements in a collection fail a test implemented by a predicate function, iterating from right to left.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- test
- predicate
- none
- noneright
- every
- all
- array.every
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Test if a value is a persymmetric matrix.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- is
- isndarray
- ndarray
- ndarray-like
- matrix
- ismatrix
- View more