本文实例讲述了JS实现的仿东京商城菜单、仿Win右键菜单及仿淘宝TAB特效。分享给大家供大家参考。具体如下：
这是一个非常好的实用菜单整合特效，有多级下拉菜单、仿东京商城的拉出式菜单、仿Windows的右键菜单，仿淘宝的标签Tab菜单，每一个都是精彩，代码中附有丰富的注释，便于你的学习和修改。
运行效果截图如下：
在线演示地址如下：
http://demo.VeVB.COm/js/2015/js-f-jd-taobao-win-rbutton-tab-demo/
具体代码如下：
<!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><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>JavaScript 多级联动浮动菜单</title><script type="text/javascript">var $$ = function (id) { return "string" == typeof id ? document.getElementById(id) : id;};var isIE8 = navigator.userAgent.indexOf('MSIE 8.0') != -1;var isChrome = navigator.userAgent.indexOf('Chrome') != -1;var isSafari = navigator.userAgent.indexOf('AppleWebKit') != -1;function addEvent(element, type, handler) { if (element.addEventListener) { element.addEventListener(type, handler, false); } else { if (!handler.$$guid) handler.$$guid = addEvent.guid++; if (!element.events) element.events = {}; var handlers = element.events[type]; if (!handlers) { handlers = element.events[type] = {}; if (element["on" + type]) { handlers[0] = element["on" + type]; } } handlers[handler.$$guid] = handler; element["on" + type] = handleEvent; }};addEvent.guid = 1;function removeEvent(element, type, handler) { if (element.removeEventListener) { element.removeEventListener(type, handler, false); } else { if (element.events && element.events[type]) { delete element.events[type][handler.$$guid]; } }};function handleEvent(event) { var returnValue = true; event = fixEvent(event); var handlers = this.events[event.type]; for (var i in handlers) { this.$$handleEvent = handlers[i]; if (this.$$handleEvent(event) === false) { returnValue = false; } } return returnValue;};function fixEvent(event) { if (event) return event; event = ((this.ownerDocument || this.document || this).parentWindow || window).event; var scrolldoc = isChrome || isSafari ? document.body : document.documentElement; event.pageX = event.clientX + scrolldoc.scrollLeft; event.pageY = event.clientY + scrolldoc.scrollTop; event.target = event.srcElement; event.stopPropagation = fixEvent.stopPropagation; event.preventDefault = fixEvent.preventDefault; if(event.type == "mouseout") { event.relatedTarget = event.toElement; }else if(event.type == "mouseover") { event.relatedTarget = event.fromElement; } return event;};fixEvent.preventDefault = function() { this.returnValue = false;};fixEvent.stopPropagation = function() { this.cancelBubble = true;};var forEach = function(array, callback, thisObject){ if(array.forEach){ array.forEach(callback, thisObject); }else{ for (var i = 0, len = array.length; i < len; i++) { callback.call(thisObject, array[i], i, array); } }}var Bind = function(object, fun) { var args = Array.prototype.slice.call(arguments, 2); return function() { return fun.apply(object, args.concat(Array.prototype.slice.call(arguments))); }}var BindAsEventListener = function(object, fun) { var args = Array.prototype.slice.call(arguments, 2); return function(event) { return fun.apply(object, [event].concat(args)); }}var Extend = function(destination, source) { for (var property in source) { destination[property] = source[property]; } return destination;}var DeepExtend = function(destination, source){ for (var property in source) { var copy = source[property]; if ( destination === copy ) continue; if ( typeof copy === "object" ){ destination[property] = DeepExtend(destination[property] || {}, copy); }else{ destination[property] = copy; } } return destination;}var Filter = function(array, callback, thisObject){ if(array.filter){ return array.filter(callback, thisObject); }else{ var res = []; for (var i = 0, len = array.length; i < len; i++) { callback.call(thisObject, array[i], i, array) && res.push(array[i]); } return res; }}var Every = function(array, callback, thisObject){ if(array.every){ return array.every(callback, thisObject); }else{ var res = []; for (var i = 0, len = array.length; i < len; i++) { if (!callback.call(thisObject, array[i], i, array)) return false; }; return true; }}var IndexOf = function(array, elt){ if(array.indexOf){ return array.indexOf(elt); }else{ var res = []; for (var i = 0, len = array.length; i < len; i++) { if (array[i] === elt) return i; }; return -1; }}var Contains = function(a, b){ return a.contains ? a != b && a.contains(b) : !!(a.compareDocumentPosition(b) & 16);}var isArray = function( obj ) { return Object.prototype.toString.call(obj) === "[object Array]";}function GetRelative(relElem, fixedElem, options){ var doc = relElem.ownerDocument, docElem = doc.documentElement ,scrolldoc = isChrome || isSafari ? doc.body : docElem, rect = relElem.getBoundingClientRect(); //默认值 options = Extend({ Align: "clientleft",//水平方向定位 vAlign: "clienttop",//垂直方向定位 CustomLeft: 0,//自定义left定位 CustomTop: 0,//自定义top定位 PercentLeft: 0,//自定义left百分比定位 PercentTop: 0,//自定义top百分比定位 Adaptive: false,//是否自适应定位 Reset: false//自适应定位时是否重新定位 }, options || {}); //ie8的getBoundingClientRect获取不准确 if ( isIE8 ) { var elem = relElem, left = - scrolldoc.scrollLeft, top = - scrolldoc.scrollTop; while (elem) { left += elem.offsetLeft, top += elem.offsetTop; elem = elem.offsetParent; }; rect.left = left; rect.right = left + relElem.offsetWidth; rect.top = top; rect.bottom = top + relElem.offsetHeight; }; var iLeft = GetRelative.Left(options.Align, rect, fixedElem) + options.CustomLeft,iTop = GetRelative.Top(options.vAlign, rect, fixedElem) + options.CustomTop; if (options.PercentLeft) { iLeft += .01 * options.PercentLeft * relElem.offsetWidth; }; if (options.PercentTop) { iTop += .01 * options.PercentTop * relElem.offsetHeight; }; if (options.Adaptive) { var maxLeft = docElem.clientWidth - fixedElem.offsetWidth, maxTop = docElem.clientHeight - fixedElem.offsetHeight; if (options.Reset) { if (iLeft > maxLeft || iLeft < 0) { iLeft = GetRelative.Left(2 * iLeft > maxLeft ? "left" : "right", rect, fixedElem) + options.CustomLeft; }; if (iTop > maxTop || iTop < 0) { iTop = GetRelative.Top(2 * iTop > maxTop ? "top" : "bottom", rect, fixedElem) + options.CustomTop; }; } else { //修正到适合位置 iLeft = Math.max(Math.min(iLeft, maxLeft), 0); iTop = Math.max(Math.min(iTop, maxTop), 0); }; }; iLeft += scrolldoc.scrollLeft; iTop += scrolldoc.scrollTop; return { Left: iLeft, Top: iTop };};GetRelative.Left = function(align, rect, fixedElem){ var iLeft = 0; switch (align.toLowerCase()) { case "left" : return rect.left - fixedElem.offsetWidth; case "clientleft" : return rect.left; case "center" : return (rect.left + rect.right - fixedElem.offsetWidth)/2; case "clientright" : return rect.right - fixedElem.offsetWidth; case "right" : default : return rect.right; };};GetRelative.Top = function(valign, rect, fixedElem){ var iTop = 0; switch (valign.toLowerCase()) { case "top" : return rect.top - fixedElem.offsetHeight; case "clienttop" : return rect.top; case "center" : return (rect.top + rect.bottom - fixedElem.offsetHeight)/2; case "clientbottom" : return rect.bottom - fixedElem.offsetHeight; case "bottom" : default : return rect.bottom; };};var FixedMenu = function(containers, options) { this._timerContainer = null;//容器定时器 this._timerMenu = null;//菜单定时器 this._frag = document.createDocumentFragment();//碎片对象，保存菜单元素 this._menus = {};//菜单对象 this._containers = [];//容器集合 this.SetOptions(options); this._custommenu = this.options.Menu; this.Css = this.options.Css; this.Hover = this.options.Hover; this.Active = this.options.Active; this.Tag = this.options.Tag; this.Txt = this.options.Txt; this.FixedMenu = this.options.FixedMenu; this.Fixed = this.options.Fixed; this.Attribute = this.options.Attribute; this.Property = this.options.Property; this.onBeforeShow = this.options.onBeforeShow; this.Delay = parseInt(this.options.Delay) || 0; forEach(isArray(containers) ? containers : [containers], function(o, i){ var pos, menu; if ( o.id ) { pos = o.id; menu = o.menu ? o.menu : pos; } else { pos = menu = o; }; pos = $$(pos); menu = $$(menu); //容器对象 Pos:定位元素 Menu:插入菜单元素 pos && menu && this.IniContainer( i, { Pos: pos, Menu: menu } ); }, this); //初始化程序 this.Ini();};FixedMenu.prototype = { //设置默认属性 SetOptions: function(options) { this.options = {//默认值 Menu:[],//自定义菜单集合 Delay:200,//延迟值(微秒) Tag:"div",//默认生成标签 Css:undefined,//默认样式 Hover:undefined,//触发菜单样式 Active:undefined,//显示下级菜单时显示样式 Txt:"",//菜单内容 FixedMenu: true,//是否相对菜单定位（否则相对容器） Fixed:{ Align: "clientleft", vAlign: "bottom" },//定位对象 Attribute:{},//自定义Attribute属性 Property:{},//自定义Property属性 onBeforeShow:function(){}//菜单显示时执行 }; Extend( this.options, options || {} ); }, Ini: function() { this.Hide();//隐藏菜单 this.BuildMenu();//生成菜单对象 this.forEachContainer(this.ResetContainer);//重置容器属性 this.InsertMenu(0, 0);//显示菜单 }, BuildMenu: function() { //清除旧菜单dom(包括自定义的) this.forEachMenu(function(o){ var elem = o._elem; if ( elem ) { //防止dom内存泄漏 removeEvent( elem, "mouseover", o._event ); elem.parentNode.removeChild(elem); o._elem = o.elem = null; }; }); //设置菜单默认值 var options = { id: 0,//id rank: 0,//排序 elem: "",//自定义元素 tag: this.Tag, css: this.Css, hover: this.Hover, active: this.Active, txt: this.Txt, fixedmenu: !!this.FixedMenu, fixed: this.Fixed, attribute: this.Attribute, property: this.Property }; //先定义"0"顶级菜单 this._menus = { "0": { "_children": [] } }; //整理自定义菜单并插入到程序菜单对象 forEach(this._custommenu, function(o) { //生成菜单对象(由于包含对象，要用深度扩展) var menu = DeepExtend( DeepExtend( {}, options ), o || {} ); //去掉相同id菜单，同时排除了id为"0"的菜单 if ( !!this._menus[ menu.id ] ) { return; }; //重置属性 menu._children = []; menu._index = -1; this._menus[menu.id] = menu; }, this); //建立树形结构 this.forEachMenu(function( o, id, menus ) { if ( "0" === id ) { return; };//顶级没有父级菜单 var parent = this._menus[o.parent]; //父级菜单不存在或者父级是自己的话，当成一级菜单 if ( !parent || parent === o ) { parent = menus[o.parent = "0"]; }; //插入到父级菜单对象的_children中 parent._children.push(o); }); //整理菜单对象 this.forEachMenu(function(o) { //如果有自定义元素的话先放到碎片文档中 !!o.elem && ( o.elem = $$(o.elem) ) && this._frag.appendChild(o.elem); //修正样式,优先使用自定义元素的class if ( !!o.elem && o.elem.className ) { o.css = o.elem.className; } else if ( o.css === undefined ) { o.css = ""; }; if ( o.hover === undefined ) { o.hover = o.css; }; if ( o.active === undefined ) { o.active = o.hover; }; //对菜单对象的_children集合排序(先按rank再按id排序) o._children.sort(function( x, y ) { return x.rank - y.rank || x.id - y.id; }); }); }, //插入菜单 InsertMenu: function(index, parent) { var container = this._containers[index]; //如果是同一个父级菜单不用重复插入 if ( container._parent === parent ) { return; }; container._parent = parent; //把原有容器内菜单移到碎片对象中 forEach( container._menus, function(o) { o._elem && this._frag.appendChild(o._elem); }, this ); //重置子菜单对象集合 container._menus = []; //把从父级菜单元素的子菜单对象集合获取的元素插入到容器 forEach(this._menus[parent]._children, function( menu, i ){ this.CheckMenu( menu, index );//检查菜单 container._menus.push(menu);//加入到容器的子菜单集合，方便调用 container.Menu.appendChild(menu._elem);//菜单元素插入到容器 }, this); }, //检查菜单 CheckMenu: function(menu, index) { //索引保存到菜单对象属性中，方便调用 menu._index = index; //如果菜单对象没有元素 if ( !menu._elem ) { var elem = menu.elem; //如果没有自定义元素的话创建一个 if ( !elem ) { elem = document.createElement(menu.tag); elem.innerHTML = menu.txt; }; //设置property Extend( elem, menu.property ); //设置attribute var attribute = menu.attribute; for (var att in attribute) { elem.setAttribute( att, attribute[att] ); }; //设置样式 elem.className = menu.css; //设置事件 menu._event = BindAsEventListener( this, this.HoverMenu, menu );//用于清除事件 addEvent( elem, "mouseover", menu._event ); //保存到菜单对象 menu._elem = elem; }; }, //触发菜单 HoverMenu: function(e, menu) { var elem = menu._elem; //如果是内部元素触发直接返回 if ( Contains( elem, e.relatedTarget ) || elem === e.relatedTarget ) { return; }; clearTimeout(this._timerMenu); //可能在多个容器间移动，所以全部容器都重新设置样式 this.forEachContainer(function(o, i){ if ( o.Pos.visibility === "hidden" ) { return; }; this.ResetCss(o); //设置当前菜单为active样式 var menu = o._active; if ( menu ) { menu._elem.className = menu.active; }; }); //设置当前菜单为触发样式 if ( this._containers[menu._index]._active !== menu ) { elem.className = menu.hover; }; //触发显示菜单 this._timerMenu = setTimeout( Bind( this, this.ShowMenu, menu ), this.Delay ); }, //显示菜单 ShowMenu: function(menu) { var index = menu._index, container = this._containers[index], child = !!menu._children.length; //隐藏不需要的容器 this.forEachContainer( function(o, i) { i > index && this.HideContainer(o); } ); //重置当前容器_active container._active = null; //如果有子级菜单 if ( child ) { //设置当前容器_active container._active = menu; //显示下一级容器 index++;//设置索引 this.CheckContainer(index);//检查容器 this.InsertMenu(index, menu.id);//插入菜单 this.ShowContainer(menu);//显示容器 }; //重置当前容器的css this.ResetCss(container); //设置当前菜单样式 menu._elem.className = child ? menu.active : menu.hover; }, //初始化容器(索引, 容器元素) IniContainer: function(index, container) { var oContainer = container.Pos; //重置属性 this.ResetContainer(container); //添加事件 addEvent( oContainer, "mouseover", Bind( this, function(){ clearTimeout(this._timerContainer); } ) ); addEvent( oContainer, "mouseout", BindAsEventListener( this, function(e){ //先判断是否移出到所有容器之外 var elem = e.relatedTarget, isOut = Every( this._containers, function(o){ return !(Contains(o.Pos, elem) || o.Pos == elem); } ); if ( isOut ) { //清除定时器并隐藏 clearTimeout(this._timerContainer); clearTimeout(this._timerMenu); this._timerContainer = setTimeout( Bind( this, this.Hide ), this.Delay ); }; })); //除了第一个容器外设置浮动样式 if ( index ) { var css = container.Pos.style; css.position = "absolute"; css.display = "block"; css.margin = 0; //要后面的覆盖前面的 css.zIndex = this._containers[index - 1].Pos.style.zIndex + 1; }; //记录索引，方便调用 container._index = index; //插入到容器集合 this._containers[index] = container; }, //检查容器 CheckContainer: function(index) { if ( index > 0 && !this._containers[index] ) { //如果容器不存在，根据前一个容器复制成新容器，第一个容器必须自定义 var pre = this._containers[index - 1].Pos //用了新的添加事件方式，没有ie的cloneNode的bug ,container = pre.parentNode.insertBefore( pre.cloneNode(false), pre ); //清除id防止冲突 container.id = ""; //初始化容器 this.IniContainer( index, { Pos: container, Menu: container } ); }; }, //显示容器 ShowContainer: function(menu) { var index = menu._index, container = this._containers[index + 1].Pos, elem = menu.fixedmenu ? menu._elem : this._containers[index].Pos, pos = GetRelative( elem, container, menu.fixed ); //定位并显示容器 container.style.left = pos.Left + "px"; container.style.top = pos.Top + "px"; //执行显示前事件 this.onBeforeShow(container, menu); container.style.visibility = "visible"; }, //隐藏容器 HideContainer: function(container) { //设置隐藏 var css = container.Pos.style; css.visibility = "hidden"; css.left = css.top = "-9999px"; //重置上一个菜单的触发菜单对象 this._containers[container._index - 1]._active = null; }, //重置容器对象属性 ResetContainer: function(container) { container._active = null;//重置触发菜单 container._menus = [];//重置子菜单对象集合 container._parent = -1;//重置父级菜单id }, //隐藏菜单 Hide: function() { this.forEachContainer(function(o, i){ if ( i === 0 ) { //如果是第一个重设样式和_active this.ResetCss(o); } else {//隐藏容器 this.HideContainer(o); }; }); }, //重设容器菜单样式 ResetCss: function(container) { forEach( container._menus, function(o, i){ o._elem.className = o.css; }, this ); }, //历遍菜单对象集合 forEachMenu: function(callback) { for ( var id in this._menus ) { callback.call( this, this._menus[id], id, this._menus ); }; }, //历遍容器对象集合 forEachContainer: function(callback) { forEach( this._containers, callback, this ); }, //添加自定义菜单 Add: function(menu) { this._custommenu = this._custommenu.concat(menu); this.Ini(); }, //修改自定义菜单 Edit: function(menu) { forEach( isArray( menu ) ? menu : [ menu ], function(o){ //如果对应id的菜单存在 if ( o.id && this._menus[o.id] ) { //从自定义菜单中找出对应菜单,并修改 Every( this._custommenu, function(m, i){ if ( m.id === o.id ) { this._custommenu[i] = DeepExtend( m, o ); return false; }; return true; //用Every可以跳出循环 }, this ); }; }, this ); this.Ini(); }, //删除自定义菜单 Delete: function() { var ids = Array.prototype.slice.call(arguments); this._custommenu = Filter( this._custommenu, function(o){ return IndexOf(ids, o.id) === -1; }); this.Ini(); }};</script></head><body><style type="text/css">.container1 {height:30px;}.container1 div {float:left;}.container1 div, .container1_2 div {width:100px;background:#FAFCFD;border:1px solid #5c9cc0;padding:10px;}div.on1 {font-weight:bold;background:#EEF3F7;}div.on1_2 {font-weight:bold;background:#fffff7;border:1px solid #ffcc00;}</style>菜单使用演示： <br><br><div id="idContainer1" class="container1"> </div><div id="idContainer1_2" class="container1_2"> </div><br><br><br><br><br><br><br><br><br><br><input id="idEdit" type="button" value="添加菜单 +"/>位置：<select id="idRank"> <option value="3"> 第四个 </option> <option value="2"> 第三个</option> <option value="1"> 第二个 </option> <option value="0"> 第一个 </option></select><select id="idDelay"> <option value="1000"> 1秒</option> <option value="500"> 0.5秒 </option> <option value="200" selected> 0.2秒 </option> <option value="0"> 不延时 </option></select><script>var menu = [ { id: 1, parent: 0, txt: '自定义样式', hover: "on1_2", rank: 1 }, { id: 2, parent: 0, txt: '下拉菜单', active: "on1_2", rank: 2 }, { id: 3, parent: 0, txt: '任意定位', fixed: { Align: "left" }, rank: 3 }, { id: 21, parent: 2, txt: '相对容器', active: "on1_2", fixedmenu: false }, { id: 22, parent: 2, txt: '相对菜单', active: "on1_2", fixed: { Align: "right", vAlign: "clienttop" } }, { id: 23, parent: 21, txt: '三级菜单' }, { id: 24, parent: 21, txt: '三级菜单' }, { id: 25, parent: 22, txt: '三级菜单' }, { id: 26, parent: 22, txt: '三级菜单' }, { id: 31, parent: 3, txt: '无法到达的', fixed: { Align: "left" } }, { id: 32, parent: 31, txt: '目光', fixed: { Align: "right" } }, { id: 33, parent: 32, txt: '无法到达的', fixed: { Align: "right", vAlign: "top" } }, { id: 34, parent: 33, txt: '到达', fixed: { PercentTop: 100 } }, { id: 35, parent: 34, txt: '到达', fixed: { Align: "left", vAlign: "clienttop", PercentLeft: -100 } }, { id: 36, parent: 35, txt: '梦想', fixed: { vAlign: "top" } }, { id: 37, parent: 36, txt: '目光', fixed: { vAlign: "top", PercentTop: -100 } }, { id: 38, parent: 37, txt: '脚步', fixed: { Align: "right", vAlign: "clienttop", PercentLeft: 100 } }, { id: 39, parent: 38, txt: '地方', fixed: { PercentTop: 100 } }, { id: 40, parent: 39, txt: '地方', fixed: { Align: "left" } }, { id: 41, parent: 40, txt: '可以', fixed: { vAlign: "top", PercentTop: -100 } }, { id: 42, parent: 41, txt: '可以' }];var fm = new FixedMenu(["idContainer1", "idContainer1_2"], { Hover: "on1", Menu: menu });//编辑测试$$("idEdit").onclick = function(){ if(this.value == "添加菜单 +"){ fm.Add([ { id: 100, parent: 0, txt: '新加菜单+', rank: $$("idRank").value | 0 }, { id: 101, parent: 100, txt: '新加菜单++' }, { id: 102, parent: 100, txt: '新加菜单+++' } ]); this.value = "删除菜单 -" }else{ fm.Delete( 100, 101, 102 ); this.value = "添加菜单 +" }}//延时测试$$("idDelay").onchange = function(){ fm.Delay = this.value | 0; }</script><br><br>仿京东商城商品分类菜单： <br><br><style type="text/css">.container2, .container2 dd, .container2_2 dl, .container2_2 dd {margin:0;}.container2 {font-size:14px;width:190px;border:1px solid #cf2020;background:#fffff5;padding:5px 8px; line-height:30px; color:#333;}.container2 dt {font-weight:bold;color:#cf2020;}.container2 dd {background:url(images/n4.jpg) 180px 10px no-repeat;_zoom:1;}.container2_2 {background-color:#bebec3; display:none;}.container2_2 dl {font-size:14px;width:200px;border:1px solid #969696;background:#fff; position:relative; left:-3px; top:-3px; }.container2_2 dd div {padding:5px 20px; background:url(images/n4.jpg) 6px 7px no-repeat;_zoom:1;}.container2_2 dt, .shadow {padding:0 5px; position:absolute;background:#fff; border:1px solid #969696; border-right:0;width:169px;left:-180px; top:-1px;height:24px;line-height:24px;}.shadow {background-color:#bebec3;border-color:#bebec3; top:0;}.container2_2 a{display:block;_zoom:1;}.container2_2 a:link, .container2_2 a:visited, .container2_2 a:active {color:#333;text-decoration: none;}.container2_2 a:hover {color:#ff6026;text-decoration: underline;}</style><dl id="idContainer2" class="container2"> <dt id="idMenu2_1">图片动画</dt> <dd id="idMenu2_2">图片效果</dd> <dd id="idMenu2_3">动画效果</dd> <dt id="idMenu2_51">系统其他</dt> <dd id="idMenu2_52">系统效果</dd> <dd id="idMenu2_53">其他效果</dd></dl><div id="idContainer2_2" class="container2_2"> <div class="shadow"></div> <dl> <dt id="idTitle"></dt> <dd id="idMenu2"> <div id="idMenu2_11"><a href="#">图片滑动切换效果</a></div> <div id="idMenu2_12"><a href="#">图片变换效果(ie only)</a></div> <div id="idMenu2_13"><a href="#">图片滑动展示效果</a></div> <div id="idMenu2_14"><a href="#">图片切割效果</a></div> <div id="idMenu2_21"><a href="#">Tween算法及缓动效果</a></div> <div id="idMenu2_22"><a href="#">渐变效果</a></div> <div id="idMenu2_61"><a href="#">无刷新多文件上传系统</a></div> <div id="idMenu2_62"><a href="#">图片切割系统</a></div> <div id="idMenu2_71"><a href="#">拖放效果</a></div> <div id="idMenu2_72"><a href="#">拖拉缩放效果</a></div> <div id="idMenu2_73"><a href="#">滑动条效果</a></div> </dd> </dl></div><script>var menu2 = [ { id: 1, parent: 0, elem: 'idMenu2_1' }, { id: 2, parent: 0, elem: 'idMenu2_2' }, { id: 3, parent: 0, elem: 'idMenu2_3' }, { id: 11, parent: 2, elem: 'idMenu2_11' }, { id: 12, parent: 2, elem: 'idMenu2_12' }, { id: 13, parent: 2, elem: 'idMenu2_13' }, { id: 14, parent: 2, elem: 'idMenu2_14' }, { id: 21, parent: 3, elem: 'idMenu2_21' }, { id: 22, parent: 3, elem: 'idMenu2_22' }, { id: 51, parent: 0, elem: 'idMenu2_51' }, { id: 52, parent: 0, elem: 'idMenu2_52' }, { id: 53, parent: 0, elem: 'idMenu2_53' }, { id: 61, parent: 52, elem: 'idMenu2_61' }, { id: 62, parent: 52, elem: 'idMenu2_62' }, { id: 71, parent: 53, elem: 'idMenu2_71' }, { id: 72, parent: 53, elem: 'idMenu2_72' }, { id: 73, parent: 53, elem: 'idMenu2_73' }];var container2 = [ "idContainer2", { id: "idContainer2_2", menu: "idMenu2" } ];new FixedMenu(container2, { Menu: menu2, Fixed: { Align: "clientleft", vAlign: "clienttop", CustomTop: 5, CustomLeft: 176 }, onBeforeShow: function(container, menu){ $$("idTitle").innerHTML = menu._elem.innerHTML; }});</script><br>仿右键菜单： <br><br><style type="text/css">.container3 {font-size:12px;border:1px solid #9d9da1;padding:3px;line-height:18px; background:#FFF; cursor:default;-moz-user-select:none;_overflow:hidden;}.container3 div {padding:0 20px;}.menu3_1 {color:#aca899;_zoom:1;}.menu3_2 {background:url(images/n5.gif) 140px 5px no-repeat;}.menu3_3 {background:url(images/n1.gif) 7px 5px no-repeat;}.menu3_4 {background:url(images/n2.gif) 7px 5px no-repeat;}.line3 {border-bottom:1px solid #9d9da1; _font-size:0; margin:4px 0;}.on3 {background-color:#bbb7c7;}.area3 { width:500px; height:200px;border:1px solid #9d9da1;}.pos3 {position:absolute; display:none;line-height:20px; width:150px;}</style><div id="idArea" class="area3"> </div><div id="idContainer3" class="container3 pos3"> </div><div id="idContainer3_2" class="container3"> </div><script>var menu3 = [ { id: 1, parent: 0, txt: '查看(<u>V</u>)' }, { id: 2, parent: 0 }, { id: 3, parent: 0, txt: '排列图标(<u>I</u>)' }, { id: 4, parent: 0, txt: '刷新(<u>E</u>)' }, { id: 5, parent: 0 }, { id: 6, parent: 0, txt: '自定义文件夹(<u>F</u>)...' }, { id: 7, parent: 0 }, { id: 8, parent: 0, txt: '粘贴(<u>P</u>)' }, { id: 9, parent: 0, txt: '粘贴快捷方式(<u>S</u>)' }, { id: 10, parent: 0 }, { id: 11, parent: 0, txt: '新建(<u>P</u>)' }, { id: 12, parent: 0 }, { id: 13, parent: 0, txt: '属性(<u>S</u>)' }, { id: 21, parent: 1, txt: '缩略图(<u>H</u>)' }, { id: 22, parent: 1, txt: '平铺(<u>S</u>)', css: "menu3_3", hover: "menu3_3 on3" }, { id: 23, parent: 1, txt: '图标(<u>N</u>)' }, { id: 24, parent: 1, txt: '列表(<u>L</u>)' }, { id: 25, parent: 1, txt: '详细信息(<u>D</u>)' }, { id: 31, parent: 3, txt: '名称(<u>N</u>)', css: "menu3_3", hover: "menu3_3 on3" }, { id: 32, parent: 3, txt: '类型(<u>S</u>)' }, { id: 33, parent: 3, txt: '大小(<u>T</u>)' }, { id: 34, parent: 3, txt: '修改时间(<u>M</u>)' }, { id: 35, parent: 3 }, { id: 36, parent: 3, txt: '按组排列(<u>G</u>)', css: "menu3_4", hover: "menu3_4 on3" }, { id: 37, parent: 3, txt: '自动排列(<u>A</u>)' }, { id: 38, parent: 3, txt: '对齐到网格(<u>L</u>)' }, { id: 41, parent: 11, txt: '剩下由你来写' }];forEach(menu3, function(menu){ var id = menu.id | 0; switch (id) { case 1 : case 3 : case 11 ://有下级菜单 menu.css = "menu3_2"; menu.hover = "menu3_2 on3"; break; case 2 : case 5 : case 7 : case 10 : case 12 : case 35 ://分割线 menu.css = menu.hover = "line3"; break; case 8 : case 9 ://不能选择 menu.css = menu.hover = "menu3_1"; break; case 4 ://刷新 menu.property = { onmouseup: function(){ location.reload(); } }; break; case 21 : case 22 : case 23 : case 24 : case 25 ://"查看"子菜单 menu.property = { onmouseup: function(){ Select([21,22,23,24,25], id, "menu3_3"); } }; break; case 31 : case 32 : case 33 : case 34 ://"排列图标"子菜单1 menu.property = { onmouseup: function(){ Select([31,32,33,34], id, "menu3_3"); } }; break; case 36 : case 37 : case 38 ://"排列图标"子菜单2 menu.property = { onmouseup: function(){ Select([36,37,38], id, "menu3_4"); } }; break; }});var fm3 = new FixedMenu(["idContainer3", "idContainer3_2"], { Menu: menu3, Delay: 0, Hover: "on3", Fixed: { Align: "right", vAlign: "clienttop", CustomTop: -4, CustomLeft: -2, Adaptive: true, Reset: true }});var area = $$("idArea"), container3 = $$("idContainer3"), container3_2 = $$("idContainer3_2");function Hide(){ fm3.Hide(); container3.style.display = "none";}function Select(group, id, css){ Hide(); var menu = []; forEach(group, function(i){ i !== id && menu.push({ "id": i, "css": "", "hover": "on3" }); }); menu.push({ "id": id, "css": css, "hover": css + " on3" }); fm3.Edit(menu);}addEvent(area, "contextmenu", function(e){ with(container3.style){ left = e.pageX + "px"; top = e.pageY + "px"; display = "block"; } e.preventDefault();});container3.oncontextmenu = container3_2.oncontextmenu = function(e){ fixEvent(e).preventDefault(); }container3.onselectstart = container3_2.onselectstart = function(){ return false; }//ie chrome safariaddEvent(container3, "mouseup", function(e){ e.stopPropagation(); });addEvent(document, "mouseup", Hide);addEvent(window, "blur", Hide);</script><br>仿淘宝拼音索引菜单： <br><br><style type="text/css">.container4 li, .container4_2 li{ list-style:none;}.container4 ul, .container4_2{margin:0;}.container4 {width:350px;padding:7px 10px;font:12px Verdana;border:1px solid #ccc;background:#fffeed; line-height:15px;height:15px; _overflow:hidden;}.container4 li {float:left;padding:0 10px; border-right:1px solid #ccc; }.container4 div {float:left;color:#000;padding-right:10px;}/* www.VeVB.COm */li.menu4 {position:relative;margin-left:-1px; top:-1px; z-index:9999;border:1px solid #85ccff; border-bottom:0; padding-bottom:8px; color:#ff6026; background:#dbf3ff;}.container4_2 {width:350px;padding:10px;border:1px solid #85ccff;background:#dbf3ff;line-height:25px;font-size:14px; font-weight:bold;display:none;}.container4_2 a{ display:block;_zoom:1;}.container4_2 a:link, .container4_2 a:visited, .container4_2 a:active {color:#565553;text-decoration: none;}.container4_2 a:hover {color:#ff5500;text-decoration: underline;}.container4 a:link, .container4 a:visited, .container4 a:hover, .container4 a:active {color:#565553;text-decoration: none;}.menu4 a:link, .menu4 a:visited, .menu4 a:active {color:#ff6026;}.menu4 a:hover{color:#ff6026;text-decoration:underline;}</style><div id="idContainer4" class="container4"> <div><b>Tag索引</b></div> <ul id="idMenu4"> <li id="idMenu4_1"><a href="#">Table</a></li> <li id="idMenu4_2"><a href="#">Fixed</a></li> <li id="idMenu4_3"><a href="#">Color</a></li> <li id="idMenu4_4"><a href="#">Date</a></li> <li id="idMenu4_5"><a href="#">Select</a></li> </ul></div><ul id="idContainer4_2" class="container4_2"> <li id="idMenu4_11"><a href="#">Table行定位效果</a></li> <li id="idMenu4_12"><a href="#">Table排序</a></li> <li id="idMenu4_21"><a href="#">浮动定位提示效果</a></li> <li id="idMenu4_22"><a href="#">仿LightBox内容显示效果</a></li> <li id="idMenu4_31"><a href="#">颜色梯度和渐变效果</a></li> <li id="idMenu4_41"><a href="#">blog式日历控件</a></li> <li id="idMenu4_42"><a href="#">日期联动选择器</a></li> <li id="idMenu4_51"><a href="#">多级联动select</a></li></ul><br><br><script>var menu4 = [ { id: 1, parent: 0, elem: 'idMenu4_1', active: "menu4" }, { id: 2, parent: 0, elem: 'idMenu4_2', active: "menu4" }, { id: 3, parent: 0, elem: 'idMenu4_3', active: "menu4" }, { id: 4, parent: 0, elem: 'idMenu4_4', active: "menu4" }, { id: 5, parent: 0, elem: 'idMenu4_5', active: "menu4" }, { id: 11, parent: 1, elem: 'idMenu4_11' }, { id: 12, parent: 1, elem: 'idMenu4_12' }, { id: 21, parent: 2, elem: 'idMenu4_21' }, { id: 22, parent: 2, elem: 'idMenu4_22' }, { id: 31, parent: 3, elem: 'idMenu4_31' }, { id: 41, parent: 4, elem: 'idMenu4_41' }, { id: 42, parent: 4, elem: 'idMenu4_42' }, { id: 51, parent: 5, elem: 'idMenu4_51' }];new FixedMenu([ { id: "idContainer4", menu: "idMenu4" }, "idContainer4_2" ], { Menu: menu4, FixedMenu: false, Fixed: { Align: "clientleft", vAlign: "bottom", CustomTop: -1 }});</script></body></html>希望本文所述对大家的JavaScript程序设计有所帮助。
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