compat-table offers comprehensive JavaScript language feature compatibility data across diverse browser engines and JavaScript environments. It meticulously tracks which features are supported in what environments, providing developers with a valuable resource for ensuring cross-browser compatibility and making informed decisions about which language features to utilize. The data is used by tools and libraries focused on polyfilling, transpilation, and feature detection, enabling developers to build robust and widely compatible web applications.
The compat-table npm package has infrequent releases. The first release was in November 2016. Releases occurred sporadically until May 2019. Since then, there have been no new versions published. The latest releases were three versions in May 2019. As of September 6, 2025, the package has not been updated in over six years.
Compat-table npm package downloads show fluctuating popularity. From March 2024 to August 2025, downloads varied, peaking in July/August 2024 (77/71) and July/August 2025 (75/80). September 2025 shows 28 downloads, but the month is not yet complete for accurate data.
