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2230 packages found
Test if a value is an arrow function.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- function
- is
- isfunction
- arrow
- arrowfunction
- type
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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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Boolean indicating if the current environment is a mobile device.
- persistent
- status
- executable
- opens
- styled-components
- deterministic
- transpiler
- getPrototypeOf
- nope
- web
- flags
- animation
- utility
- events
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Test if an object's own or inherited property is write-only.
Test if a value is an array-like object containing only null values.
Test if a value is an array containing a circular reference.
Test if a value is a skew-centrosymmetric matrix.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- is
- isndarray
- ndarray
- ndarray-like
- matrix
- ismatrix
- View more
Test if an object's own or inherited property is configurable.
Test if a value is an odd number.
Test if an object's own or inherited property is writable.
Check if the runtime is the main Electron process.
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
Test if a value is a square triangular number.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- number
- numeric
- triangular
- triangle
- binomial
- binomcoef
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Test if two arguments have the same type.
Test if an object's own or inherited property is read-only.
Test if a value is an ndarray-like object containing double-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 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
- View more
Test if a value is an array-like object containing only negative numbers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed array
- is
- istypedarray
- istyped
- View more
Test if an object's own or inherited property has an accessor descriptor.