About Listings in ReactJS
In ReactJS if you have a list of items, for each item you will need to set a unique key attribute. Don't use the index for the key when allowing to remove list items – removing siblings will get messed up. Use object ids for the keys instead.
1 2 3 4 5 | const items_html = items.map((item) => <li key={item.id}> {item.title} </li> ); |
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