The React and Vue.js JavaScript libraries share some of the ... the so-called DOM or Document Object Model. React and Vue create a parallel “virtual DOM” that tracks all of the moving parts ...

That probably derives from its JSON data model and HTML-with-decoration view definitions (versus React’s JSX). Vue templates can also incorporate inline JavaScript functions, unlike JSX.

The whole point of creating a Hello World React program is to ensure your Node.js environment works, quickly examine the basic structure of a library or framework, and address any configuration issues ...