mouseenter 和 mouseover的区别

<!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 {
             300px;
            height: 300px;
            background-color: pink;
            margin: 100px auto;
        }
        
        .son {
             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>

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原文地址：https://www.cnblogs.com/fuyunlin/p/14460753.html