<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
div{
100px;
height: 100px;
background-color: pink;
position: fixed;
left: 0;
top:0;
}
</style>
</head>
<body>
<div></div>
<script>
var div=document.querySelector('div')
// div.onclick=function (e) {
// console.log("你好")
// console.log(e)
// }
document.onmousemove=function (e) {
// console.log("移动")
var x=e.clientX
var y=e.clientY
// console.log(x,y)
div.style.left=x+5+'px'
div.style.top=y+5+'px'
}
</script>
</body>
</html>