Karma

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About

Karma is ranked #5 of 23 in javascript testing frameworks on Inferse. It runs on Android, iOS, Linux, macOS, Self-hosted, Web, Windows. There is a free plan.

Compared on javascript testing frameworks

Free plan: Yeskarma-runner.github.io
Component testing: Yeskarma-runner.github.io
Coverage reporting: Yeskarma-runner.github.io
Supported runtimes: Node.jskarma-runner.github.io
Parallel execution: Yeskarma-runner.github.io

Facts

Purpose: Karma runs JavaScript tests in multiple real browsers and reports results to developers.github.com · 29 Sept 2026
How it works: Karma starts a web server, connects browsers, runs tests in them, and displays their results.karma-runner.github.io · 29 Sept 2026
Automatic reruns: Karma watches configured files and reruns tests when a file changes.karma-runner.github.io · 29 Sept 2026
Testing frameworks: Plugins are available for Jasmine, Mocha, QUnit, and other testing frameworks.github.com · 29 Sept 2026
Browser launchers: Documented launchers include Chrome, Firefox, Safari, PhantomJS, JSDOM, Opera, Internet Explorer, SauceLabs, and BrowserStack.karma-runner.github.io · 29 Sept 2026
Manual device capture: A browser on another device, including a phone or tablet on the same network, can be captured by visiting the Karma server URL.karma-runner.github.io · 29 Sept 2026
Plugin model: Preprocessors, reporters, browser launchers, and framework adapters are plugins that can be installed from npm or written for Karma.karma-runner.github.io · 29 Sept 2026
CI integrations: The documentation provides integration guides for Travis CI, Jenkins, and Semaphore CI.karma-runner.github.io · 29 Sept 2026
Installation: Karma runs on Node.js, is distributed as an npm package, and the installation guide recommends installing it locally in the project.karma-runner.github.io · 29 Sept 2026
License: Karma is released under the MIT license.karma-runner.github.io · 29 Sept 2026
Maintenance status: Karma is deprecated and is not accepting new features or general bug fixes; critical security issues will still be triaged and fixed during the stated support period.github.com · 29 Sept 2026
Security support period: The repository says critical security fixes will continue until 12 months after Angular CLI's Web Test Runner support is marked stable.github.com · 29 Sept 2026
Who it is for: The project describes Karma as useful for developers who want to run tests locally, in multiple browsers, on each save, or on a continuous integration server.github.com · 29 Sept 2026
Testing scope: The FAQ says Karma was primarily designed for low-level unit testing and recommends Protractor for high-level testing.karma-runner.github.io · 29 Sept 2026
Support: The project directs questions to its mailing list or Gitter and says the issue tracker is for bug reports and feature discussions.github.com · 29 Sept 2026