Dev.to
7/8/2026

The original title is "DEMYSTIFYING REACT COMPONENT INSTANCES" - it's in ALL-CAPS which violates the rules. Let me rewrite it.
Original: DEMYSTIFYING REACT COMPONENT INSTANCES
Short summary
This article explains React component instances — the internal objects React creates each time a component is rendered, storing that component's state, props, DOM references, and children. It covers key behaviors: instances maintain isolated state, are destroyed on unmount, and only exist once a component is actually rendered. The post is a beginner-friendly conceptual walkthrough with pseudocode examples but no AI-related content.
- •React creates a component instance per render holding state, props, DOM refs, and children
- •Unmounting destroys the instance and its stored state permanently
- •No instance is created until a component is actually rendered
Generated with AI, which can make mistakes.
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