html
import React,{ useState } from ‘react‘
const VrCornucopiaHome = () => {
const bbbbb = () => {
alert(1)
}
return (
<button type="button" onClick={ () => bbbbb() }>知道了</button>
)
//写在return后无效
const bbbbb = () => {
alert(1)
}
}
原文：https://www.cnblogs.com/tlfe/p/14777259.html