Rails - Jan 2008 - AJAX: send JSONified ruby-array back to client problem

Hi All

I''m trying to send a ruby-array back to a browser (its an AJAX call and
I''m converting the array using to_json)

Here is the controller/action part:

 respond_to do |format|
       ......
       format.js { # AJAX call
          a = [{}] # an array with an hash
          a[0][''xyz''] = ''abc''
          a[1] = ''test1''
          a[2] = ''test2''
          render :text => a.to_json
        }
     end

Client side: When the AJAX call finishes it calls the following
function:

ajax_onSucces: function(receiveReq)
 {
    // convert the json object to an js-array (I''ll probably go wrong
here)
    var response = eval("(" + receiveReq.responseText +
")");
    alert("resp=" + response) ;
    for( var i in response ) {
      alert(" val=" + i ) ;
    }
 },

I see the following text in the alert-boxes:

resp=[object Object],test1,test2
val=0
val=1
val=2
val=each
val=eachSlice
val=all
etc etc

So, what I expected to see was

resp=[object Object],test1,test2
val=[object Object]
val=test1
val=test2

Any suggestion where I go wrong ? (or maybe some links to learn more
about this subject)

Thnx a lot
LuCa
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