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6000 packages found
Determine the day of the year.
This library is a utils functions
Utilities for checking types in the typescript code.
Detect native Symbol.asyncIterator support.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- detect
- feature
- symbol
- async
- iterator
- symbol.asynciterator
- es2018
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Detect `Object.defineProperties` support.
Test if a double-precision floating-point numeric value is a negative finite number.
Test whether an unsigned integer is a power of 2.
- stdlib
- stdmath
- assertion
- assert
- utilities
- utility
- utils
- util
- math
- mathematics
- ispow2
- ispower2
- pow2
- power
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Test if a 32-bit integer is even.
Convert a string to HTTP header case.
Extendable library for typecasting
Return the first UTF-16 code unit of a string.
Test if a single-precision floating-point numeric value is finite.
- stdlib
- stdmath
- assertion
- assert
- utilities
- utility
- utils
- util
- math
- mathematics
- ieee754
- floating-point
- float
- single
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Test if a value is an uppercase string.
It is an out-of-the-box JavaScript library.
Test if a finite double-precision floating-point number is a nonpositive integer.
- stdlib
- stdmath
- assertion
- assert
- utilities
- utility
- utils
- util
- math
- mathematics
- nonpositive
- negative
- integer
- number
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Test if a 32-bit integer is odd.
Return the data type string associated with a provided single letter abbreviation.
Return the Cartesian power.