Mocha test framework logo

☕️ Simple, flexible, fun JavaScript test framework for Node.js & The Browser ☕️

Mocha Browser Support h/t SauceLabs

## Links - **[Documentation](https://mochajs.org)** - **[Release Notes / History / Changes](https://github.com/mochajs/mocha/blob/main/CHANGELOG.md)** - [Code of Conduct](https://github.com/mochajs/mocha/blob/main/.github/CODE_OF_CONDUCT.md) - [Contributing](https://github.com/mochajs/mocha/blob/main/.github/CONTRIBUTING.md) - [Development](https://github.com/mochajs/mocha/blob/main/.github/DEVELOPMENT.md) - [Discord](https://discord.gg/KeDn2uXhER) (ask questions here!) - [Issue Tracker](https://github.com/mochajs/mocha/issues) ## Backers [Become a backer](https://opencollective.com/mochajs) and show your support to our open source project on [our site](https://mochajs.org/#backers).

## Sponsors Does your company use Mocha? Ask your manager or marketing team if your company would be interested in supporting our project. Support will allow the maintainers to dedicate more time for maintenance and new features for everyone. Also, your company's logo will show [on GitHub](https://github.com/mochajs/mocha#readme) and on [our site](https://mochajs.org#sponsors) - who doesn't want a little extra exposure? [Here's the info](https://opencollective.com/mochajs). [![MochaJS Sponsor](https://opencollective.com/mochajs/tiers/sponsors/0/avatar)](https://opencollective.com/mochajs/tiers/sponsors/0/website) [![MochaJS Sponsor](https://opencollective.com/mochajs/tiers/sponsors/1/avatar)](https://opencollective.com/mochajs/tiers/sponsors/1/website) [![MochaJS Sponsor](https://opencollective.com/mochajs/tiers/sponsors/2/avatar)](https://opencollective.com/mochajs/tiers/sponsors/2/website) [![MochaJS Sponsor](https://opencollective.com/mochajs/tiers/sponsors/3/avatar)](https://opencollective.com/mochajs/tiers/sponsors/3/website) ## Development You might want to know that: - Mocha is one of the _most-depended-upon_ modules on npm (source: [libraries.io](https://libraries.io/search?order=desc&platforms=NPM&sort=dependents_count)), and - Mocha is an _independent_ open-source project, maintained exclusively by volunteers. You might want to help: - New to contributing to Mocha? Check out this list of [good first issues](https://github.com/mochajs/mocha/issues?q=is%3Aopen+is%3Aissue+label%3A%22good+first+issue%22) - Mocha could use a hand with [these issues](https://github.com/mochajs/mocha/issues?q=is%3Aopen+is%3Aissue+label%3A%22status%3A+accepting+prs%22) - The [maintainer's handbook](https://github.com/mochajs/mocha/blob/main/MAINTAINERS.md) explains how things get done Finally, come [chat with the maintainers on Discord](https://discord.gg/KeDn2uXhER) if you want to help with: - Triaging issues, answering questions - Review, merging, and closing pull requests - Other project-maintenance-y things ## License Copyright 2011-2022 OpenJS Foundation and contributors. Licensed [MIT](https://github.com/mochajs/mocha/blob/main/LICENSE). [![FOSSA Status](https://app.fossa.io/api/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fmochajs%2Fmocha.svg?type=large)](https://app.fossa.io/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fmochajs%2Fmocha?ref=badge_large)

	Stars	Issues	Version	Updated	Created
karma	11,946	376	6.4.4	2 months ago	12 years ago
mocha	22,557	204	10.7.3	a month ago	13 years ago
vitest	12,678	353	2.1.1	7 days ago	3 years ago

karma vs mocha vs vitest

Downloads in past1 Month3 Months6 Months1 Year2 Years5 YearsAll time

Stats

Sick of boring JavaScript newsletters?

Downloads in past