jquery封装

var showLog = (function($){
   function aaa(){
       alert(1233444444);
   }
   aaa.show = function(){
       alert(123)   
   }
   aaa.alert = function(){
       alert(234);
   }  
   return aaa;
})(jQuery)
showLog.show();

simpleDialog.show() && simpleDialog.destroy();
if(simpleDialog.show()){
   simpleDialog.show()
}