<html>
<head>
<title>js实现的无限级树形下拉导航列表 </title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css">
    *{ margin:0; padding:0;    list-style:none;}
    body { margin:20px;}
    h2 { font-family:"黑体"; font-size:24px; text-align:center; line-height:32px;}
    h5 { font-size:12px; text-align:center; font-weight:normal; color:#666; line-height:28px;}
    #nav a { text-decoration:underline;color:#06c; font-size:14px; line-height:24px;}
    #nav ul{ margin-bottom:5px;}
    #nav strong{ color:#696;}
    #nav.dyn li ul{ display:none;}
    #nav.dyn li ul.show{ display:block;}
    #nav.dyn li{ padding-left:15px;}
    #nav.dyn li.parent{    background:url(user_23.gif) 5px 10px no-repeat;}
    #nav.dyn li.open{ background:url(user_23.gif) 5px -34px no-repeat;}
    </style>
</head>
<body>
<script type="text/javascript">
    DOMhelp = {
        debugWindowId: 'DOMhelpdebug',
        init: function () {
            if (!document.getElementById || !document.createTextNode) { return; }
        },
        lastSibling: function (node) {
            var tempObj = node.parentNode.lastChild;
            while (tempObj.nodeType != 1 && tempObj.previousSibling != null) {
                tempObj = tempObj.previousSibling;
            }
            return (tempObj.nodeType == 1) ? tempObj : false;
        },
        firstSibling: function (node) {
            var tempObj = node.parentNode.firstChild;
            while (tempObj.nodeType != 1 && tempObj.nextSibling != null) {
                tempObj = tempObj.nextSibling;
            }
            return (tempObj.nodeType == 1) ? tempObj : false;
        },
        getText: function (node) {
            if (!node.hasChildNodes()) { return false; }
            var reg = /^\s+$/;
            var tempObj = node.firstChild;
            while (tempObj.nodeType != 3 && tempObj.nextSibling != null || reg.test(tempObj.nodeValue)) {
                tempObj = tempObj.nextSibling;
            }
            return tempObj.nodeType == 3 ? tempObj.nodeValue : false;
        },
        setText: function (node, txt) {
            if (!node.hasChildNodes()) { return false; }
            var reg = /^\s+$/;
            var tempObj = node.firstChild;
            while (tempObj.nodeType != 3 && tempObj.nextSibling != null || reg.test(tempObj.nodeValue)) {
                tempObj = tempObj.nextSibling;
            }
            if (tempObj.nodeType == 3) { tempObj.nodeValue = txt } else { return false; }
        },
        createLink: function (to, txt) {
            var tempObj = document.createElement('a');
            tempObj.appendChild(document.createTextNode(txt));
            tempObj.setAttribute('href', to);
            return tempObj;
        },
        createTextElm: function (elm, txt) {
            var tempObj = document.createElement(elm);
            tempObj.appendChild(document.createTextNode(txt));
            return tempObj;
        },
        closestSibling: function (node, direction) {
            var tempObj;
            if (direction == -1 && node.previousSibling != null) {
                tempObj = node.previousSibling;
                while (tempObj.nodeType != 1 && tempObj.previousSibling != null) {
                    tempObj = tempObj.previousSibling;
                }
            } else if (direction == 1 && node.nextSibling != null) {
                tempObj = node.nextSibling;
                while (tempObj.nodeType != 1 && tempObj.nextSibling != null) {
                    tempObj = tempObj.nextSibling;
                }
            }
            return tempObj.nodeType == 1 ? tempObj : false;
        },
        initDebug: function () {
            if (DOMhelp.debug) { DOMhelp.stopDebug(); }
            DOMhelp.debug = document.createElement('div');
            DOMhelp.debug.setAttribute('id', DOMhelp.debugWindowId);
            document.body.insertBefore(DOMhelp.debug, document.body.firstChild);
        },
        setDebug: function (bug) {
            if (!DOMhelp.debug) { DOMhelp.initDebug(); }
            DOMhelp.debug.innerHTML += bug + '\n';
        },
        stopDebug: function () {
            if (DOMhelp.debug) {
                DOMhelp.debug.parentNode.removeChild(DOMhelp.debug);
                DOMhelp.debug = null;
            }
        },
        getKey: function (e) {
            if (window.event) {
                var key = window.event.keyCode;
            } else if (e) {
                var key = e.keyCode;
            }
            return key;
        },
        /* helper methods */
        getTarget: function (e) {
            var target = window.event ? window.event.srcElement : e ? e.target : null;
            if (!target) { return false; }
            while (target.nodeType != 1 && target.nodeName.toLowerCase() != 'body') {
                target = target.parentNode;
            }
            return target;
        },
        stopBubble: function (e) {
            if (window.event && window.event.cancelBubble) {
                window.event.cancelBubble = true;
            }
            if (e && e.stopPropagation) {
                e.stopPropagation();
            }
        },
        stopDefault: function (e) {
            if (window.event && window.event.returnValue) {
                window.event.returnValue = false;
            }
            if (e && e.preventDefault) {
                e.preventDefault();
            }
        },
        cancelClick: function (e) {
            if (window.event) {
                window.event.cancelBubble = true;
                window.event.returnValue = false;
            }
            if (e && e.stopPropagation && e.preventDefault) {
                e.stopPropagation();
                e.preventDefault();
            }
        },
        addEvent: function (elm, evType, fn, useCapture) {
            if (elm.addEventListener) {
                elm.addEventListener(evType, fn, useCapture);
                return true;
            } else if (elm.attachEvent) {
                var r = elm.attachEvent('on' + evType, fn);
                return r;
            } else {
                elm['on' + evType] = fn;
            }
        },
        cssjs: function (a, o, c1, c2) {
            switch (a) {
                case 'swap':
                    o.className = !DOMhelp.cssjs('check', o, c1) ? o.className.replace(c2, c1) : o.className.replace(c1, c2);
                    break;
                case 'add':
                    if (!DOMhelp.cssjs('check', o, c1)) { o.className += o.className ? ' ' + c1 : c1; }
                    break;
                case 'remove':
                    var rep = o.className.match(' ' + c1) ? ' ' + c1 : c1;
                    o.className = o.className.replace(rep, '');
                    break;
                case 'check':
                    var found = false;
                    var temparray = o.className.split(' ');
                    for (var i = 0; i < temparray.length; i++) {
                        if (temparray[i] == c1) { found = true; }
                    }
                    return found;
                    break;
            }
        },
        safariClickFix: function () {
            return false;
        }
    }
    DOMhelp.addEvent(window, 'load', DOMhelp.init, false);
</script>
<script type="text/javascript">
<!--
    sn = {
        dynamicClass: 'dyn',
        showClass: 'show',
        parentClass: 'parent',
        openClass: 'open',
        navID: 'nav',
        init: function () {
            var triggerLink;
            if (!document.getElementById || !document.createTextNode) { return; }
            var nav = document.getElementById(sn.navID);
            if (!nav) { return; }
            DOMhelp.cssjs('add', nav, sn.dynamicClass);
            var nested = nav.getElementsByTagName('ul');
            for (var i = 0; i < nested.length; i++) {
                triggerLink = nested[i].parentNode.getElementsByTagName('a')[0];
                DOMhelp.cssjs('add', triggerLink.parentNode, sn.parentClass);
                DOMhelp.addEvent(triggerLink, 'click', sn.changeSection, false);
                triggerLink.onclick = DOMhelp.safariClickFix;
                if (nested[i].parentNode.getElementsByTagName('strong').length > 0) {
                    DOMhelp.cssjs('add', triggerLink.parentNode, sn.openClass);
                    DOMhelp.cssjs('add', nested[i], sn.showClass);
                }
            }
        },
        changeSection: function (e) {
            var t = DOMhelp.getTarget(e);
            var firstList = t.parentNode.getElementsByTagName('ul')[0];
            if (DOMhelp.cssjs('check', firstList, sn.showClass)) {
                DOMhelp.cssjs('remove', firstList, sn.showClass)
                DOMhelp.cssjs('swap', t.parentNode, sn.openClass, sn.parentClass);
            } else {
                DOMhelp.cssjs('add', firstList, sn.showClass)
                DOMhelp.cssjs('swap', t.parentNode, sn.openClass, sn.parentClass);
            }
            DOMhelp.cancelClick(e);
        }
    }
    DOMhelp.addEvent(window, 'load', sn.init, false);
-->
</script>
<h2>js实现无限级树形导航列表</h2>
<ul id="nav">
   
    <li><a href="#">产品目录</a>
        <ul>
            <li><a href="#">大类别一</a>
                <ul>
                    <li><a href="#">小类别一</a>
                        <ul>
                            <li><a href="#">次类别一</a></li>
                            <li><a href="#">次类别二</a></li>
                        </ul>
                    </li>
                    <li><a href="#">小类别二</a></li>
                </ul>
            </li>
            <li><a href="#">大类别二</a></li>
            <li><a href="#">大类别三</a>
                <ul>
                    <li><a href="#">小类别一</a></li>
                    <li><a href="#">小类别二</a></li>
                </ul>
            </li>
        </ul>
    </li>
    <li><a href="#">服务</a>
        <ul>
            <li><a href="#">大类别一</a>
               <ul>
                    <li><a href="#">小类别一</a></li>
                    <li><a href="#">小类别二</a></li>
                </ul>
            </li>
            <li><a href="#">大类别二</a>
                 <ul>
                    <li><a href="#">小类别一</a></li>
                    <li><a href="#">小类别二</a></li>
                </ul>
            </li>
            <li><a href="#">大类别三</a>
                 <ul>
                    <li><a href="#">小类别一</a></li>
                    <li><a href="#">小类别二</a></li>
                </ul>
            </li>
        </ul>
    </li>
</ul>
</body>
</html>

js实现无限级树形导航列表的更多相关文章

  1. 实用js+css多级树形展开效果导航菜单

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

  2. SharePoint2010沙盒解决方案基础开发——关于TreeView树形控件读取列表数据（树形导航）的webpart开发及问题

    转:http://blog.csdn.net/miragesky2049/article/details/7204882 SharePoint2010沙盒解决方案基础开发--关于TreeView树形控 ...

  3. vue 无限级分类导航

    递归组件,实现无限级分类导航 https://cn.vuejs.org/v2/guide/components-edge-cases.html#%E9%80%92%E5%BD%92%E7%BB%84% ...

  4. ExtPB.Net：窗体应用技巧（2）在树形导航下打开弹出的win窗口

    ExtPB.Net的demo程序有个树形导航菜单,里面的菜单打开的窗口放在右边的TabStrip控件中.我们可以设计win通过导航打开,但有时我们希望以弹出窗口的形式打开它,但怎么办呢?现在可以这样修 ...

  5. 在ASP.NET MVC下实现树形导航菜单

    在需要处理很多分类以及导航的时候,树形导航菜单就比较适合.例如在汽车之家上: 页面主要分两部分,左边是导航菜单,右边显示对应的内容.现在,我们就在ASP.NET MVC 4 下临摹一个,如下: 实现的 ...

  6. JQUERY实现的小巧简洁的无限级树形菜单

    JQUERY实现的小巧简洁的无限级树形菜单,可用于后台或前台侧栏菜单!兼容性也比较好. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Tra ...

  7. css+js实现自动伸缩导航栏

    用css+js实现自动伸缩导航栏 需要达到的效果: 默认首页选中样式 设置鼠标滑过效果:颜色变化(#f60),宽度变化,字体变化 所涉及的知识点: 布局:float css: 元素状态切换(displ ...

  8. ASP.NET的面包屑导航控件、树形导航控件、菜单控件

    原文:http://blog.csdn.net/pan_junbiao/article/details/8579293 ASP.NET的面包屑导航控件.树形导航控件.菜单控件. 1. 面包屑导航控件— ...

  9. QT QML目录导航列表视图

    [功能] /目录.文件 /文件过滤 /递归 /事件 /高亮当前行 /当前选项 /目录切换动画 /限制根目录 [下载]:http://download.csdn.net/detail/surfsky/8 ...

随机推荐

  1. Spring_database_Template

    配置applicationContext.xml <?xml version="1.0" encoding="UTF-8"?> <beans ...

  2. Android应用开发基础篇（15）-----URL（获取指定网址里的图片）

    链接地址:http://www.cnblogs.com/lknlfy/archive/2012/03/10/2389190.html 一.概述 URL,说白了就是一个网络地址(网址),通常一个网址里包 ...

  3. [cocos2d-x] 让精灵响应触摸 并把方向旋转到相对应的角度

    在cocos2d-x里面  想要把一个精灵从原位置移动到用户所触摸到的点 , 并且把精灵的方向旋转相对应的弧度,可以参考一下我的做法 我这里的精灵是用一条鱼, 用户触摸后鱼就移动到所触摸的点, 并且移 ...

  4. IM与工作信息流整合

    IM与工作信息流整合,希望减轻用户“信息”负担   从36氪此前的<“明道”现在推出个人免费版本,是怎样的逻辑?>一 文中,我们可以了解到,国内现在的协作产品设计思路主要有两种:一种是像t ...

  5. nginx启动、开机自启动、重启、关闭

    yum -y  install nginx # yum info nginx Loaded plugins: fastestmirror Loading mirror speeds from cach ...

  6. android天气查询（二）之网络json数据的获取

    前面一篇文章介绍了如何使用ksoap获取天气信息,但是使用的网络资源受到了限制,所以我们这里会采用第二种方法,可以无限制的获取.http://m.weather.com.cn/data/1010101 ...

  7. 让自己的apk可以被别人用二维码下载

    通过二维码下载的流程是, 1.截获地址当有一个url被二维码扫描后的被截获,请先确认能够被截获. 2.接受intent无论是把这个消息的地址发送给activity,还是reciver,都要进入到你的程 ...

  8. Android JNI入门第四篇——Android.mk文件分析

    ndroid.mk文件是在使用NDK编译C代码时必须的文件,Android.mk文件中描述了哪些C文件将被编译且指明了如何编译.掌握Android.mk文件的编写主要是掌握其里头将要使用的一些关键字, ...

  9. 感觉挺有意思的SQL题目

    1.有如下数据,要求查询每个班最低分和最高分,并将最高分与最低分显示为同一列 ID Student CourseName Score1 张三 English 802 张三 Math 703 张三 Ch ...

  10. ie调试控制台

    function initConsole() { var console = document.createElement('div'); console.id = 'errorConsole'; d ...