Web Reference: Browsers and Node.js have gone through an evolution with regard to their module systems. In Node we're in the middle of a transition between CommonJS Modules... A video from OpenJS World 2021 General stage. This marks the most comprehensive ECMAScript test suite to date. While test coverage is broad, TC39 does not consider coverage to be complete and as with any software project there exists the possibility of omissions and errors.
YouTube Excerpt: Browsers and Node.js have gone through an evolution with regard to their
Net Worth Profile Overview
Testing Ecmascript Modules David Mark Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $53M - $90M
Salary & Income Sources
Career Highlights & Achievements
Assets, Properties & Investments
This section covers known assets, real estate holdings, luxury vehicles, and investment portfolios. Data is compiled from public records, financial disclosures, and verified media reports.
Last Updated: April 9, 2026
Net Worth Outlook & Future Earnings
![Celebrity Matteo Collina & David Mark Clements: A new way to profile Node.js [WorkerConf] Net Worth](https://i.ytimg.com/vi/DOIpzLJ1oN8/mqdefault.jpg)
Disclaimer: Disclaimer: Net Worth estimates are based on publicly available data, media reports, and financial analysis. Actual numbers may vary.