Menu
Additional Links
simple, flexible, fun test framework
Updated February 19, 2022 by @munter
BDD/TDD assertion library for node.js and the browser. Test framework agnostic.
Updated January 26, 2022 by @chaijs
invariant
Updated February 22, 2022 by @cpojer
JavaScript test spies, stubs and mocks.
Updated February 1, 2022 by @fatso83
Delightful JavaScript Testing.
Updated February 22, 2022 by @scotthovestadt
Get the native type of a value.
Updated August 25, 2021 by @doowb
Spectacular Test Runner for JavaScript.
Updated February 10, 2022 by @dignifiedquire
Get the first fulfilled promise that satisfies the provided testing function
Updated August 25, 2021 by @sindresorhus
Get details about the current Continuous Integration environment.
Updated November 24, 2021 by @watson
Check if a value is a plain object
Updated April 16, 2021 by @sindresorhus
The JavaScript Task Runner
Updated December 9, 2021 by @cowboy
Regular expression for matching ANSI escape codes
Updated September 14, 2021 by @sindresorhus
SuperAgent driven library for testing HTTP servers
Updated January 18, 2022 by @niftylettuce
Match balanced character pairs, like "{" and "}"
Updated April 6, 2021 by @juliangruber
Detect if the current environment is a CI server
Updated February 18, 2021 by @watson
tap-producing test harness for node and browsers
Updated February 13, 2022 by @domenic
JavaScript Testing utilities for React
Updated February 19, 2022 by @airbnbeng
In-memory file-system with Node's fs API.
Updated February 9, 2022 by @streamich
test framework agnostic BDD-style assertions
Updated January 10, 2022 by @btd
Regular expression for matching a shebang line
Updated August 13, 2021 by @sindresorhus
Check if a string has ANSI escape codes
Updated September 13, 2021 by @sindresorhus
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
Updated July 4, 2018 by @doowb
Check if a value is an object
Chance - Utility library to generate anything random
Updated November 17, 2021 by @victorquinn