lovecoding
/
W250913


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box{
            width: 100px;
            height: 100px;
            background-color: red;
            position: fixed;
            top: 100px;
            left: 110px;
        }
    </style>
</head>
<body>
    <div class="box"></div>
    <script>
        var oBox = document.getElementsByClassName("box")[0];

        // 鼠标按下事件
        oBox.onmousedown = function(e){
            console.log("鼠标按下");
            console.log(e);
            // offsetLeft 当前元素距离窗口 左侧的间距
            console.log(oBox.offsetLeft);
            // offsetTop 获取当前元素距离窗口顶部的距离
            console.log(oBox.offsetTop);
            
        }
        // 鼠标弹起事件
        oBox.onmouseup = function(){
            console.log("鼠标弹起");
            
        }

        // 鼠标移动事件
        oBox.onmousemove = function(){
            console.log("鼠标移动");
            
        }
    </script>
</body>
</html>