Baretest is a minimalistic and fast JavaScript test runner that serves as an alternative to Jest, emphasizing its speed advantage by utilizing Node's assert module. Unlike Jest, which is feature-rich with capabilities like parallelization and coverage reports, Baretest focuses on simplicity and quick execution, making it less suitable for large-scale coverage tests. The article provides an overview of Baretest's API methods such as test, test.only, test.before, test.after, and test.skip, as well as a practical example of testing a Stack data structure. Although Baretest is still under development, it offers a significantly faster runtime compared to Jest, which is highlighted by a practical comparison where Baretest runs a test suite much quicker than Jest.