()
| 1 | import { memo, useEffect, useState } from "react"; |
| 2 | |
| 3 | function Aaa() { |
| 4 | const [,setNum] = useState(1); |
| 5 | |
| 6 | const [count, setCount] = useState(2); |
| 7 | |
| 8 | |
| 9 | useEffect(() => { |
| 10 | setInterval(()=> { |
| 11 | setNum(Math.random()); |
| 12 | }, 2000) |
| 13 | },[]); |
| 14 | |
| 15 | useEffect(() => { |
| 16 | setTimeout(()=> { |
| 17 | setCount(Math.random()); |
| 18 | }, 2000) |
| 19 | },[]); |
| 20 | |
| 21 | return <div> |
| 22 | <MemoBbb count={count}></MemoBbb> |
| 23 | </div> |
| 24 | } |
| 25 | |
| 26 | interface BbbProps { |
| 27 | count: number; |