[Solved] React: Warning each child in a list should have a unique key [duplicate]
It’s definitely an array key issue, but it seems you have unique alt attributes in each data set (array). <StyledHorizontalScrollList columns={columns}> {tunesTeasers.map(teaser => teaser.noTonieboxes ? ( <List key={teaser.alt} onClick={toggleModal}> <TeaserCard alt={teaser.alt} src={teaser.src} /> </List> ) : ( <StyledLink key={teaser.alt} to={teaser.link}> <TeaserCard alt={teaser.alt} src={teaser.src} /> </StyledLink> )} </StyledHorizontalScrollList> solved React: Warning each child in a list … Read more