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1 parent 7a28626 commit 5de24d5Copy full SHA for 5de24d5
src/App.js
@@ -26,7 +26,7 @@ const App = () => {
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<AddButton disabled={item.trim() === ''} onClick={handleAdd} />
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<ul>
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{cartItems.map((item) => (
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- <li>{item}</li>
+ <li key={item}>{item}</li>
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))}
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</ul>
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</div>
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