Worked on enhancing the BigInt Object API documentation within the nodejs/node repository, focusing on the isBigIntObject function. Delivered comprehensive documentation updates that included detailed usage examples and explicit descriptions of return values, aiming to improve clarity and usability for developers integrating BigInt features. Emphasized alignment with Node.js documentation standards to ensure consistency and facilitate easier onboarding for new contributors. Utilized JavaScript for technical accuracy and Markdown for clear, maintainable documentation. The work improved API discoverability and provided traceability for future maintenance, reflecting a methodical approach to API design and documentation within a version-controlled, collaborative environment.