The concept of a virtual Document Object Model (DOM) was first introduced by the JavaScript framework React in 2013 and is still used today, both by React and other frameworks like Vue.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 ...

By default, whenever a component re-renders in React, all of its children ... Newer frameworks like Svelte or Solid.js have completely removed the virtual DOM instead of optimizing its performance.