location对象-解析URL查询字符串参数

 function getQueryStringArgs(){
    var qs=(location.search.length>0?location.search.substring(1):""),
          args={}, 
          items=qs.length?qs.split("&"):[],
          item=null,name=null,value=null,i=0;
   for(i=0;i<items.length;i++){
       item=items[i].split("=");
       name=decodeURIComponent(item[0]);
       value=decodeURIComponent(item[1]);
       if(name.length){
           args[name]=value;
       }
   }
   return args;        
 }