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5027 packages found
Test if an object has a specified property.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- object
- obj
- has
- hasown
- hasownproperty
- property
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Test if a value is a function.
Automated browser testing for the modern web development stack.
- automated
- functional
- browser
- browsers
- website
- webapp
- testing
- automation
- test
- runner
- tdd
- assert
- assertion
- QA
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Test if a value is a plain object.
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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Test if a value is a number.
[](https://github.com/juigorg/sit-nam-neque/actions/workflows/lint.yml) [](https:
- datastructure
- flux
- full
- RegExp.prototype.flags
- npm
- jQuery
- copy
- lazy
- fullwidth
- ECMAScript 2015
- sequence
- jsonpath
- has
- types
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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
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Shallow deep equal assertion for chai
[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![License][license-image]][license-url] [![Downloads][downloads-image]][downloads-url]
- less mixins
- concatMap
- stdlib
- look-up
- helpers
- Observables
- stable
- WebSockets
- watcher
- jwt
- time
- ES5
- bundling
- sort
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Test if a value is a boolean.
Test if a value is a Uint8Array.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- uint8array
- uint8
- unsigned
- integer
- int
- uint
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Test if a value is an object.
This module extends the [Unexpected](https://github.com/unexpectedjs/unexpected) assertion library with integration for the [Sinonjs](http://sinonjs.org/) mocking library.
Extends Tape with new assertions
node.js streams plugin for the Unexpected assertion library
Add support to Unexpected for testing Set instances
Test if a value is object-like.
Test if a value is an Error object.
Test if a value is a collection.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- array
- typed array
- collection
- float64array
- float32array
- int32array
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