Some terms associated with React
Term | Meaning / Importance |
JSX | JavaScript XML – Syntax extension that looks like HTML but compiles to React.createElement() calls. |
Component | Reusable building block of UI – can be functional or class-based. |
Props | Short for "properties" – inputs to components passed from parent to child. Read-only. |
State | Internal data storage in a component. Controls behavior and re-rendering. |
Hooks | Functions like useState, useEffect etc., that let you use state and lifecycle features in functional components. |
Virtual DOM | In-memory representation of the real DOM. Used by React for efficient UI updates. |
Rendering | The process of generating DOM from React components. Can be initial, conditional, or re-rendered. |
useEffect | A hook used to handle side effects like API calls, timers, or event listeners. |
Lifting State Up | Moving state from a child to a common parent to share data between components. |
Controlled Component | A form input whose value is controlled by React state. |
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