Reactでeventの属性の取得 - Qiita

import React from 'react'; const items = [ { id: 1, name: "hoge", address: "tokyo", age: 11 }, { id: 2, name: "foo", address: "osaka", age: 22 }, { id: 3, name: "boo", address: "fukuoka", age: 33 }, ] function App() { return ( <div style={{ margin: 40 }}> <select name="username" + onChange={(e) => alert(e.target.value)} > { items.map(item => ( <option value={item.id} key={item.id}>{item.name}</opt