事件对象

作者: 冰点雨 | 来源:发表于2022-07-14 10:03 被阅读0次

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>事件对象</title>
    <style>

        #evg{
            width: 300px;
            height: 100px;
            border: 1px solid black;
        }

        #showMsg{
            width: 300px;
            height: 80px;
            border: 1px solid black;
        }

    </style>
    <script>

        window.onload = function(){
            var evg = document.getElementById('evg');
            var showMsg = document.getElementById('showMsg');
            evg.onmousemove = function(event){

                // 解决事件对象兼容性问题
                event = event ? event : window.event;

                var x = event.clientX;
                var y = event.clientY;

                showMsg.innerHTML = "x="+x+",y="+y;

            }
        }

    </script>
</head>
<body>

    <div id="evg"></div>
    <br>
    <div id="showMsg"></div>
    
</body>
</html>