如何使用setState()
React Hooks 中的内置函数来更改模型的状态以进行表单输入?
例如如何setFirstName()
在onChange
输入字段中绑定?
import React, { useState } from 'react';
const Demo = () => {
const [ firstName, setFirstName ] = useState('');
return (
<div>
<form>
<input className="input" name="firstname" value={firstName}
//what do i put in onChange here?
onChange=? />
</form>
</div>
);
}