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4425 packages found
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
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micromark utility to classify whether a character is whitespace or punctuation
Test if a value is a regular expression string.
- stdlib
- stdassert
- assertion
- assert
- utils
- util
- utilities
- utility
- isregexp
- regular expression
- regexp
- regex
- regular
- expression
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Test if a value is a function.
Test if a value is a plain object.
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 boolean.
Test if a value is a number.
Check if an environment is little endian.
The `util.is*` functions introduced in Node v0.12.
Check if an environment is big endian.
Test if a value is an array.
Test if a value is a Uint8Array.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- uint8array
- uint8
- unsigned
- integer
- int
- uint
- View more
xml-to-json-util is a simple and efficient utility library for converting XML data to JSON format easily.
Test if a value is an object.
Test if a value is a Buffer object.
Goal: Content needs something to search for, identify in time. ;History: Tlid is the oldest libraries I created about 20 years ago if not more, it simply enables creating datetime based string to use mostly for efficient file naming composed of a sortabl
Test if a value is an Error object.
Test if a value is object-like.
unist utility to check if a node is generated