Why isn't jquery handling id and selector passed?
I have an id `"#post0"`

and a class `"reply"`

When i do
 
     var rep = ".reply";
       $(rep).toggle(400);

All components with class "reply" toggle. 

However when 
   
    var rep = "#post0.reply";
       $(rep).toggle(400);
Why isn't jquery handling id and selector passed?
===

I have an id `"#post0"`

and a class `"reply"`

When i do
 
     var rep = ".reply";
       $(rep).toggle(400);

All components with class "reply" toggle. 

However when 
   
    var rep = "#post0.reply";
       $(rep).toggle(400);