为什么这里换成mouseenter就不行呢

来源：5-2 编程练习

我叫壹陆伍

2021-08-12 22:49:27

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>习题</title>
    <style>
        div {
            width: 300px;
            height: 300px;
            border: 1px solid red;
            text-align: center;
            line-height: 300px;
        }
    </style>
</head>

<body>
<div></div>
<script type="text/javascript" src="query.js/query.js"></script>
<script>
    //此处写代码
    $(document).ready(function(){
        $('div').mousemove(function(event){
            $(this).text("pageX"+event.pageX+"pageY"+event.pageY);
        })
    })
</script>
</body>

</html>