Jest: Detailed Overview & Metrics

v29.7.0(8 months ago)

This package is actively maintained.Types definitions are bundled with the npm packageNumber of direct dependencies: 4Monthly npm downloads

Jest is a delightful JavaScript testing framework with a focus on simplicity and ease of use. It is widely used for testing JavaScript code, including React applications, Node.js projects, and more. Jest provides a zero-configuration setup, making it easy to get started with testing right away. It offers features like snapshot testing, mocking, code coverage, and parallel test execution.

Compared to other testing frameworks like Mocha or Jasmine, Jest stands out for its fast and parallel test execution, built-in mocking capabilities, and comprehensive documentation. It is actively maintained by the open-source community and has a large ecosystem of plugins and extensions to enhance testing capabilities.

Alternatives:
mocha+
chai+
jasmine+
ava+
tape+
cypress+
playwright-test+
vitest+
qunit+
karma+

Tags: javascripttestingframeworkjestmocking