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What is the difference between a Component and an Element in React?

Entry React
Quick Answer A React Element is a plain object describing what to render รขโ‚ฌโ€ like the output of JSX: { type: 'div', props: { children: 'Hello' } }. A Component is a function or class that returns elements. Components are the blueprint; elements are the instances produced each render. Elements are immutable snapshots; components are reusable factories.

Answer

A component is a function or class defining UI logic. An element is the object returned by that component describing what to render.
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