leonardomso/33-js-concepts
This system is an educational JavaScript knowledge base that provides comprehensive, automated test suites to validate the accuracy of its documentation. It covers a wide range of JavaScript topics, including language mechanics, object-oriented and functional programming patterns, asynchronous programming, and browser APIs. The project ensures that code examples and concepts remain functional and correct through rigorous testing with Vitest.
54.9
Adequate · 2 August 2026
362
lines of production code
JavaScript
primary language
1
bus factor · 221 authors in all
3
measurements over time
How it got here
2018–2025 · Comprehensive test suite implementation
This period focused on establishing a robust automated testing infrastructure using Vitest to validate the project's educational content. Extensive test suites were added across all core JavaScript topics, including functions, object-oriented programming, functional programming, and asynchronous JavaScript, ensuring code examples remain accurate and functional.
10 changes
2026 · comprehensive test coverage expansion
This period was dedicated to systematically adding automated test suites across a wide range of JavaScript concepts, including functional programming, language mechanics, and browser APIs. The work focused on validating the behavior of core language features, advanced topics, and modern syntax, ensuring that the documentation and implementation logic were rigorously verified.
12 changes
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leonardomso/33-js-concepts was measured the same way every project in this corpus was: the same rubric, at a pinned commit, with the result published in full. Point the surveyor at a repository you know and see whether you agree with it.
About this page
- The description of this project is derived from its own commit history, not from its README.
- The score is its highest published measurement, taken on 2 August 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
- Measured at commit 16d0d95c02 — the exact code this score is about.
- Scored under rubric rubric-2026.08.18. Score the same commit under that rubric and you get the same number.