react18-学习笔记28-自定义hook条件1

import React, { useEffect, useState } from "react";
 
 
const useMouseButton: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("mousemove",updateMouse)
    return()=> (
      document.removeEventListener("mousemove",updateMouse)
    )
 },[])
 
  return (
    <p>x:{positions.x},Y:{positions.y}</p>
  )
};
 
export default useMouseButton;