React and Vue create a parallel “virtual DOM” that tracks all of the moving parts and only at the last microsecond do they hand off a clean, optimized collection of tags to the browser to render.

In Russ’s examples, all files, including component files, are located in the project base directory. This is what the directory tree for the React files looks like: ├── App.js ...

To take on Facebook’s vaunted React JavaScript library, the Vue.js front-end framework has been upgraded with a virtual DOM layer improving speed and memory consumption. Version 2.0 of Vue.js ...