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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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Return a partial object copy containing properties for which a predicate (function) returns a truthy value.
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
- View more
Test whether a collection contains at least `n` elements which pass a test implemented by a predicate function, iterating from right to left.
Test whether an object contains at least n properties (own and inherited) which pass a test implemented by a predicate function.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- test
- predicate
- any
- every
- all
- object.some
- object.every
- View more
Test whether all own properties of an object pass a test implemented by a predicate function.
Test whether whether any 'own' property of a provided object satisfies a predicate function.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- test
- predicate
- any
- iterate
- object
- property
- properties
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Test whether every property in an object fails a test implemented by a predicate function.
Test whether at least one property in an object passes a test implemented by a predicate function.
Test whether some `own` properties of a provided object satisfy a predicate function for at least `n` properties.
Tests whether every own property of an object fails a test implemented by a predicate function.
Test whether all properties (own and inherited) of an object pass a test implemented by a predicate function.
subscribe to filtered emits of readable streams
Test whether a collection contains `n` elements which pass a test implemented by a predicate function.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- async
- asynchronous
- test
- predicate
- some
- array.some
- every
- View more
Test whether all elements in a collection fail a test implemented by a predicate function.
Test whether all elements in a collection fail a test implemented by a predicate function, iterating from right to left.
Test whether at least one element in a collection passes a test implemented by a predicate function, iterating from right to left.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- async
- asynchronous
- test
- predicate
- any
- right
- array.some
- View more
Test whether at least one element in a collection passes a test implemented by a predicate function.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- async
- asynchronous
- test
- predicate
- any
- array.some
- iterate
- View more
Test whether a collection contains at least `n` elements which pass a test implemented by a predicate function, iterating from right to left.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- async
- asynchronous
- test
- predicate
- some
- right
- array.some
- View more
Test whether all elements in a collection pass a test implemented by a predicate function.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- async
- asynchronous
- test
- predicate
- every
- all
- array.every
- View more