javascript 无限联动菜单效果代码

时间：2020-11-25 12:38:37|栏目：JavaScript代码|点击：次

<!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>Selects</title> <style type="text/css"> *{font-size:14px;} select{height:20px;font-size:12px;} </style> </head> <body > <div style='color:red'>2级联动</div> <div id='demo1'></div> <div style='color:red'>3级联动</div> <div id='demo2'></div> <div style='color:red'>4级联动</div> <div id='demo3'></div> <div style='color:red'>5级联动</div> <div id='demo4'></div> <script language="javascript"> var Sys = (function(ua){ var s = {}; s.IE = ua.match(/msie ([\d.]+)/)?true:false; s.Firefox = ua.match(/firefox\/([\d.]+)/)?true:false; s.Chrome = ua.match(/chrome\/([\d.]+)/)?true:false; s.IE6 = (s.IE&&([/MSIE (\d)\.0/i.exec(navigator.userAgent)][0][1] == 6))?true:false; s.IE7 = (s.IE&&([/MSIE (\d)\.0/i.exec(navigator.userAgent)][0][1] == 7))?true:false; s.IE8 = (s.IE&&([/MSIE (\d)\.0/i.exec(navigator.userAgent)][0][1] == 8))?true:false; return s; })(navigator.userAgent.toLowerCase()); Sys.IE6&&document.execCommand("BackgroundImageCache", false, true); function $(Id){ return document.getElementById(Id); }; function $$(p,e){ return p.getElementsByTagName(e); }; function addListener(element,e,fn){ element.addEventListener?element.addEventListener(e,fn,false):element.attachEvent("on" + e,fn); }; function removeListener(element,e,fn){ element.removeEventListener?element.removeEventListener(e,fn,false):element.detachEvent("on" + e,fn); }; var Bind = function(object, fun) { var args = Array.prototype.slice.call(arguments).slice(2); return function() { return fun.apply(object, args); }; }; var BindAsEventListener = function(object, fun) { var args = Array.prototype.slice.call(arguments).slice(2); return function(event) { return fun.apply(object, [event || window.event].concat(args)); }; }; var Extend = function(destination, source){ for (var property in source) { destination[property] = source[property]; }; }; var Class = function(properties){ var _class = function(){return (arguments[0] !== null && this.initialize && typeof(this.initialize) == 'function') ? this.initialize.apply(this, arguments) : this;}; _class.prototype = properties; return _class; }; //========================================================================================================================== var Selects = new Class({ initialize :function(container,data,title){ this.container = container; this.num = title.length; this.Events = new Array(title.length-1); var i,l,select; for(i=0; i<this.num ; i++) { container.innerHTML = container.innerHTML + "　" + title[i]; container.appendChild(document.createElement('select')); } select = $$(container,'select')[0]; for(i=0,l=data.length;i<l;i++) select.options.add(new Option(data[i].txt,i)); addListener(select,'change',Bind(this,this.Change,select,data,0)); this.Change(select,data,0); }, Change : function(obj,data,num){ if(num == this.num-1)return; var menu = data[obj.value].menu; select = $$(this.container,'select')[num+1]; select.length = 0; if(!menu)return; if(this.Events[num]!=undefined)removeListener(select,'change',this.Events[num]) this.Events[num] = Bind(this,this.Change,select,menu,num+1) addListener(select,'change',this.Events[num]); for(var i=0,l=menu.length;i<l;i++) select.options.add(new Option(menu[i].txt,i)); this.Change(select,menu,num+1); } }); //========================================================================================================================== window.onload = function(){ var data=[{"txt":"人族","menu":[{"txt":"大法师","menu":[{"txt":"大法技能","menu":[{"txt":"水元素","menu":[{"txt":"召唤物"},{"txt":"穿刺攻击"},{"txt":"很好东西"}]},{"txt":"暴风雪","menu":[{"txt":"魔法攻击"},{"txt":"面积伤害"},{"txt":"很漂亮"},{"txt":"可被打断"}]},{"txt":"辉煌光环"},{"txt":"瞬间移动"}]},{"txt":"英雄说明","menu":[{"txt":"智力英雄"},{"txt":"强大光环"},{"txt":"辅助型"},]}]},{"txt":"山丘之王","menu":[{"txt":"山丘技能","menu":[{"txt":"风暴之锤"},{"txt":"锥地"},{"txt":"锥晕"},{"txt":"天神下凡"}]},{"txt":"英雄说明","menu":[{"txt":"力量英雄"},{"txt":"秒杀能力"},{"txt":"个子很矮"},{"txt":"大技变态"}]}]},{"txt":"圣骑士","menu":[{"txt":"圣骑技能","menu":[{"txt":"光"},{"txt":"无敌"},{"txt":"光环"},{"txt":"复活"}]},{"txt":"英雄说明","menu":[{"txt":"力量英雄"},{"txt":"辅助英雄"},{"txt":"人称奶妈"}]}]},{"txt":"血法师","menu":[{"txt":"血法技能","menu":[{"txt":"火焰"},{"txt":"吸蓝"},{"txt":"虚无"},{"txt":"神鸟凤凰"}]},{"txt":"英雄说明","menu":[{"txt":"智力英雄"},{"txt":"辅助英雄"},{"txt":"长的很帅"}]}]}]},{"txt":"兽族","menu":[{"txt":"贱圣","menu":[{"txt":"贱圣技能","menu":[{"txt":"疾风步"},{"txt":"影分身"},{"txt":"致命一击"},{"txt":"剑刃风暴"}]},{"txt":"英雄说明","menu":[{"txt":"敏捷英雄"},{"txt":"高攻英雄"},{"txt":"杀人越货"},{"txt":"猥亵无敌"},{"txt":"非常强大"}]}]},{"txt":"先知男","menu":[{"txt":"先知技能","menu":[{"txt":"狼"},{"txt":"日"},{"txt":"闪电链"},{"txt":"地震"}]},{"txt":"英雄说明","menu":[{"txt":"智力英雄"},{"txt":"骚扰英雄"}]}]},{"txt":"牛头人酋长","menu":[{"txt":"牛头技能","menu":[{"txt":"冲击波"},{"txt":"阵地"},{"txt":"耐久光环"},{"txt":"复活"}]},{"txt":"英雄说明","menu":[{"txt":"力量英雄"},{"txt":"魔法强大"},{"txt":"长的威猛"},{"txt":"一个肉盾"}]}]},{"txt":"小YY","menu":[{"txt":"小Y技能","menu":[{"txt":"变动物"},{"txt":"治疗波"},{"txt":"小蛇棒子"},{"txt":"全体无敌"}]},{"txt":"英雄说明","menu":[{"txt":"敏捷英雄"},{"txt":"魔法强大"},{"txt":"辅助英雄"}]}]}]},{"txt":"不死族","menu":[{"txt":"死亡骑士","menu":[{"txt":"亡骑技能","menu":[{txt:"大便一拓"},{txt:"邪恶光环"},{txt:"死亡契约"},{txt:"复活亡灵"}]},{"txt":"英雄说明","menu":[{txt:"骑的是羊"},{txt:"未老先衰"},{txt:"冰霜之哀"},{txt:"啊而塞思"}]}]},{"txt":"巫妖","menu":[{"txt":"巫妖技能","menu":[{txt:"暴冰"},{txt:"冰甲"},{txt:"契约"},{txt:"死亡凋零"}]},{"txt":"英雄说明","menu":[{txt:"穿裙子"},{txt:"全是骨头"},{txt:"不男不女"}]}]},{"txt":"恐惧魔王","menu":[{"txt":"魔王技能"},{"txt":"英雄说明"}]},{"txt":"小强王子","menu":[{"txt":"王子技能"},{"txt":"英雄说明"}]}]}]; new Selects($('demo1'),data,["种族","英雄"]); new Selects($('demo2'),data,["种族","英雄","介绍"]); new Selects($('demo3'),data,["种族","英雄","介绍","技能"]); new Selects($('demo4'),data,["种族","英雄","介绍","技能","技能说明"]); } </script> </body> </html>

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