Is it possible to create an empty multidimensional array in javascript/jquery?

Question

I am trying to create a very basic Flickr gallery using the Flickr API. What I want to achieve is sorting my pictures by tag. What I am using is jQuery.getJSON() so that I c

Answer 1

I think something like this should do what you want

 var imageArray = [];   

 $.each(data.photoset.photo, function(i, item) {

   // if the tag is new, then create an array
   if(!imageArray[item.tags])
     imageArray[item.tags] = [];

   // push the item url onto the tag
   imageArray[item.tags].push(item.url_sq);

 });