javascript DOM实现带下拉子菜单的导航菜单

发布时间:2020-09-28编辑:脚本学堂
本文介绍了javascript DOM导航菜单的例子,js脚本实现的带下拉子菜单的导航菜单,挺不错的js菜单特效,有需要的朋友参考下。

例子,javascript DOM 带下拉子菜单的导航菜单 实例代码。
 

复制代码 代码示例:
<!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>下拉子菜单的导航菜单_www.jb200.com</title>
    <style type="text/css">
        body { font-family: Verdana; font-size: 12px; line-height: 1.5; }
        a { color: #000; text-decoration: none; }
        a:hover { color: #F00; }
        #menu { width:500px; height:28px; margin:0 auto; border-bottom:3px solid #E10001;}
        #menu ul { list-style: none; margin: 0px; padding: 0px; }
        #menu ul li { float:left; margin-left:2px;}
        #menu ul li a { display:block; width:87px; height:28px; line-height:28px; text-align:center; font-size:14px;}
        #menu ul li a#current { font-weight:bold; color:#fff;}
        #menu ul li ul { border:1px solid #ccc; display:none; position:absolute;}
        #menu ul li ul li { float:none; width:87px; background:#eee; margin:0;}
        #menu ul li ul li a { background:none;}
        #menu ul li ul li a:hover { background:#333; color:#fff;}
        #menu ul li:hover ul { display:block;}
        #menu ul li.sfhover ul { display:block;}
    </style>
    <script type="text/javascript"><!--    //--><![CDATA[//><!--
        function menuFix() {
            var sfEls = document.getElementById("menu").getElementsByTagName("li");
            for (var i = 0; i < sfEls.length; i++) {
                sfEls[i].onmouseover = function () {
                    this.className += (this.className.length > 0 ? " " : "") + "sfhover";
                }
                sfEls[i].onMousedown = function () {
                    this.className += (this.className.length > 0 ? " " : "") + "sfhover";
                }
                sfEls[i].onMouseUp = function () {
                    this.className += (this.className.length > 0 ? " " : "") + "sfhover";
                }
                sfEls[i].onmouseout = function () {
                    this.className = this.className.replace(new RegExp("( ?|^)sfhoverb"),
    "");
                }
            }
        }
        window.onload = menuFix;
        //--><!]]>
    </script>
</head>
<body>
    <div id="menu">
        <ul>
            <li><a id="current" href="#">首页</a></li>
            <li><a href="#">网页版式</a>
                <ul>
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    </div>
</body>
</html>