Q. If a component re-renders with a list, what does React use keys for?

यदि कोई घटक किसी सूची के साथ पुनः प्रस्तुत होता है, तो रिएक्ट कुंजियों का उपयोग किस लिए करता है?

A
To compare previous and current elements
B
To clear the list
C
To create new elements
D
To force an update

Explanation

Explanation will be available soon. Please stay tuned.

व्याख्या जल्द ही उपलब्ध होगी। कृपया बने रहें।

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Functional vs Class Components, Props React Router Lists and Keys & Importance of Keys Hooks Conditional Rendering

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