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3455 packages found
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
Get the native type of a value.
Simply check if your array, object, nested stuff, string, number, etc are empty or not.
JavaScript library for efficient prime number detection and arithmetic, with customizable algorithms for large numbers.
Provides calculation functions related to complex numbers.
Test if a value is a number.
Test if a double-precision floating-point numeric value is NaN.
- stdlib
- stdmath
- assertion
- assert
- utilities
- utility
- utils
- util
- math
- mathematics
- ieee754
- floating-point
- float
- number
- View more
Checks if a number is prime or not
Returns true if a value exists, false if empty. Works with deeply nested values using object paths.
Returns `true` if the value is a primitive.
check-stats-modules(csm) is is a CLI application that obtains the specified npm module's stats. After specifying the module name and period, the number of downloads during that period is acquired and displayed on the terminal.
Test if a double-precision floating-point numeric value is infinite.
- stdlib
- stdmath
- assertion
- assert
- utilities
- utility
- utils
- util
- math
- mathematics
- ieee754
- floating-point
- float
- double
- View more
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 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 a number having a nonnegative integer value.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- number
- numeric
- integer
- int
- nonnegative
- is
- View more
Isomorphic, functional type-checking for Javascript
A function that deterministically checks if a number is prime.
Validates if a value is a number.
Test if a value is a number having an integer value.
Test if a value is a number having a positive integer value.