js-获取鼠标坐标并跟随其移动-CFANZ编程社区

js-获取鼠标坐标并跟随其移动

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/css">
        #box1{
            width: 100px;
            height: 100px;
            background-color: #bbffaa;
            /*
            开启box1的绝对定位
            */
            position: absolute;
        }
    </style>
    <script type="text/javascript">
        window.onload = function (){
            /*
            * 使得div可以跟随鼠标移动
            * */
            var box1 = document.getElementById("box1");
            document.onmousemove = function (event){
                //解决兼容问题
                event = event || window.event

                //获取鼠标坐标
                var left = event.pageX;
                var top = event.pageY;

                //设置div的偏移量
                box1.style.left = left + "px";
                box1.style.top = top + "px";
            }
        }
    </script>
</head>
<body>
    <div id="box1"></div>
</body>
</html>

在这里插入图片描述

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