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What happens if we use the array index as a key?

Entry React

Answer

Using array indexes can cause React to reuse incorrect DOM nodes, leading to bugs like wrong input values or lost component state during reorder.
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SugharaIQ Editorial Team Verified Answer

This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.

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Source: SugharaIQ

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