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] const arr = [ { id:1, name:‘zce’, age:40, salary:1000000 }, { id:2, name:‘zoe’, age:18, salary:2000000 } ] function App() { const ret = arr.map(item=>{ return ( <li key={item.id}> <span>{item.name}—</span> <span>{item.age}—</span> <span>{item.salary}</span> </li> ) }) return <ul>{ret}</ul> } export default App
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