const [count, setCount] = useState(0);
const handleClick = () =>
setCount(prevCount => {
return prevCount + 1;
});
const [count, setCount] = useState(0);
const handleClick = () => setCount(count + 1);
来自基于类的组件背景,它成为了我们使用functional setState
的习惯.我想知道我们是否仍然需要依赖函数挂钩中的prevState?或者当前状态总是"可信任"且最"更新"?