上代碼：;(function(window,doc,undef){vartopics={},subUid=-1,pubsubz={};pubsubz.publish=function(topic,args){if(!topics[topic]){returnfalse;}setTimeout(function(){varsubscribers=topics[topic],len=subscribers?subscribers.length:0;while(len--){subscribers[len].func(topic,args);}},0);returntrue;};pubsubz.subscribe=function(topic,func){if(!topics[topic]){topics[topic]=[];}vartoken=(++subUid).toString();topics[topic].push({token:token,func:func});returntoken;};pubsubz.unsubscribe=function(token){for(varmintopics){if(topics[m]){for(vari=0,j=topics[m].length;i