lovecoding
/
W260426


			
				
					
						
						
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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: 200px;
            height: 200px;
            background-color: red;
        }
    </style>
</head>
<body>
    <div id="box"></div>
    <button id="btn">点击我</button>
    <script>
        // 获取元素
        var box = document.querySelector("#box");
        var btn = document.querySelector("#btn");
        // 鼠标按下事件
        btn.onmousedown = function(){
            console.log("鼠标按下");
        }
        // 鼠标松开事件
        btn.onmouseup = function(){
            console.log("鼠标松开");
        }
        // 鼠标移动事件
        box.onmousemove = function(){
            console.log("鼠标移动");
        }
    </script>
</body>
</html>