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swetha palani
swetha palani

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BABEL IN REACT, COMPENETS (PROPS & STATES),REACT DOM, RENDER IN REACTDOM

1. Babel in React

The Babel in JavaScript compiler that convert modern JavaScript or JSX code to old JavaScript that all browsers can understand using React.createElement().

2. Components in React

In React components are reusable, independent building blocks of their interface, taken input called props and return JSX, using function and class components.

3. Props vs State

Aspect Props State
Definition Read-only input passed from parent component to child component. A component’s own changeable data that determines its behavior or appearance.
Usage Share data between components. Store values that can change over time, managed inside components.
Modification Set by the parent, don’t change in the child. Updated using setState (class) or useState (function).

4. React DOM

Th react Dom is package in react that handle rendering react component to the actual DOM in browser . It connect you react code vituralDOM to the real broweser

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