图片随鼠标移动

 <style>
        *{margin: 0;padding: 0}
        img{
            width: 300px;
            position: absolute;
        }
    </style>

<img src="images/01.jpg" alt="">
  <script>
       var img=document.getElementsByTagName("img")[0]
    document.onmousemove=function(event){
          var pageX=event.clientX;
                var pageY=event.clientY;
                img.style.cssText=`left:${pageX}px;top:${pageY}px`
    }
</script>