react18-学习笔记26-useEffect2

import React, { useEffect, useState } from "react";
interface IHelloProps {
  message?: string;
}
 
const MouseButton:React.FC = () => {
  const [like, setLike] = useState(0);
  const [positions,setPosition]=useState({x:0,y:0})
 useEffect(()=>{
    const updateMouse=(e:MouseEvent)=>{
        setPosition({x:e.clientX,y:e.clientY})
    }
    document.addEventListener("click",updateMouse)
    return()=> (
      document.removeEventListener("click",updateMouse)
    )
 })
 
  return (
    <p>x:{positions.x},Y:{positions.y}</p>
  )
};
 
export default MouseButton;