React Nodes are not real DOM nodes but are a representation of potential DOM Nodes that fuel React components. This combination can eventually be used to create a real DOM structure. React nodes can be created using JSX or JavaScript. React can be used with Node, yet changing the complete backend is not a feasible option. If you have Ruby on Rails (RoR) as the backend, Nodejs can still be used to run a web server to host your React application. Node.js is efficient enough to be used as Node web Server. Node's assets can be used to build the RoR asset pipeline, leveraging Common JS to ease the work.
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