what is virtual dom in react
// dom
- With the HTML DOM, JavaScript can access
and change all the elements of an HTML document.
- The DOM represents the document as nodes and objects; that way,
programming languages can interact with the page.
// virtual dom
- The virtual DOM (VDOM) is a programming concept where an
ideal, or “virtual”, representation of a UI is kept in memory
and synced with the “real” DOM by a library such as ReactDOM.
This process is called reconciliation.