Difference between React Keys and Props

Aug 10, 20230 likes13 views

React keys are used for optimizing list rendering by uniquely identifying elements, which helps in efficiently updating the DOM during changes in dynamic lists. Props, short for 'properties', are used to pass data and functions from parent to child components, allowing for customization and configuration. Both keys and props are essential for managing component interactions and rendering in React.

REACT KEYS VS PROPS
REACT KEYS VS PROPS
KEYS
PROPS
Used internally by React for optimizing
list rendering.
Uniquely identify elements within a list of
components.
Help React efficiently update the DOM
when a list changes.
Required when rendering dynamic lists to
track elements accurately.
Short for "properties," passed from
parent to child components.
Allow data to flow from parent
components to child components.
Enable customization and configuration
of child components.
Can be both data and functions/methods.

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