Js- 菜单

时间：2022-03-11 08:36:53

很简单的JS二级菜单显示，收藏

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

    <title></title>

    <style type="text/css">

        .menu span { float: left; margin-right: 10px; position: relative;}

        .menu a { display: block; }

        .menu span div { border: 1px solid black;display: none; }

    </style>

    <script src="Js/jquery-1.8.0.min.js" type="text/javascript"></script>

    <script type="text/javascript">

        $(document).ready(function () {

            $(".menu span").hover(function () {

                $(this).children("div").attr("style", "display: block");

            },

            function () {

                $(this).children("div").attr("style", "");

            })

        });

    </script>

</head>

<body>

    <div class="menu">

        <span><a href="#">菜单一</a></span>

        <span><a href="#">菜单二</a>

            <div>

                <a href="#">子项一</a> <a href="#">子项二</a> <a href="#">子项三</a>

            </div>

        </span>

        <span><a href="#">菜单三</a>

            <div>

                <a href="#">子项一</a> <a href="#">子项二</a> <a href="#">子项三</a>

            </div>

        </span>

    </div>

</body>

</html>

竖直的，点击

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

    <title></title>

    <style type="text/css">

        * { margin: 0; padding: 0; }

        #nav { width: 200px; margin: 50px; }

        #nav h3 { cursor: pointer; line-height: 30px; height: 30px; background-color: #000000; color: #fff; }

        #nav a { display: block; line-height: 24px; color: #666666; }

        #nav a:hover { background-color: #eee; color: #000; }

        #nav div { display: none; border: 1px solid #000; border-top: none; }

    </style>

    <script type="text/javascript">

        function $(id) { return document.getElementById(id) }

        window.onload = function (e) {

            $("nav").onclick = function (e) {

                var src = e ? e.target : event.srcElement;

                if (src.tagName == "H3") {

                    var next = src.nextElementSibling || src.nextSibling;

                    next.style.display = (next.style.display == "block") ? "none" : "block";

                }

            }

        }

    </script>

</head>

<body>

    <div id="nav">

        <h3>

            管理区</h3>

        <div>

            <a href="#">111</a> <a href="#">222</a> <a href="#">333</a>

        </div>

        <h3>

            交流区</h3>

        <div>

            <a href="#">aaa</a> <a href="#">bbb</a> <a href="#">ccc</a>

        </div>

    </div>

</body>

</html>

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