mouseenter 和 mouseover 的区别

  • 当鼠标移动到元素上时就会触发mouseenter事件

  • 类似mouseover，它们两者之间的差别是

  • mouseover鼠标经过自身盒子会触发，经过子盒子还会触发。mouseenter只会经过自身盒子触发

  • 之所以这样，就是因为mouseenter不会冒泡

  • 跟mouseenter搭配鼠标离开mouseleave同样不会冒泡

代码示例 : 

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

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        .father {
            width: 300px;
            height: 300px;
            background-color: pink;
            margin: 100px auto;
        }
        
        .son {
            width: 200px;
            height: 200px;
            background-color: purple;
        }
    </style>
</head>

<body>
    <div class="father">
        <div class="son"></div>
    </div>
    <script>
        var father = document.querySelector('.father');
        var son = document.querySelector('.son');
        father.addEventListener('mouseenter', function() {
            console.log(11);

        })
    </script>
</body>

</html>

 

posted @ 2022-04-15 11:36  会前端的洋  阅读(66)  评论(0)  编辑  收藏  举报