What is the Virtual DOM?
- A A browser API for faster rendering
- B An in-memory representation of the UI that is diffed against the previous version to compute minimal DOM updates
- C A replacement for the real DOM
- D A CSS rendering engine
Answer
An in-memory representation of the UI that is diffed against the previous version to compute minimal DOM updates
Its value is a programming model where you describe UI as a function of state. It is not inherently faster than perfectly targeted manual DOM updates.
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