You're absolutely right about the underlying libraries, I guess the the title wasn't the most appropriate one. Anyway, if we count V8, node.js standard librarie

You're absolutely right about the underlying libraries, I guess the the title wasn't the most appropriate one. Anyway, if we count V8, node.js standard libraries, webkit,...etc. there's no software written entirely in JavaScript which is less than millions lines of code. The main idea of the article was to show how easy things goes with the tools HTML5 gives us.