Ebay API – How do I count the number of unique key:value pairs in JSON data?
My function is returning JSON data in the following format: "searchResult":[ { "@count":"100", "item":[ { "itemId":[ "151258132867" ], "title":[ "Apple iPhone 4 - clean esn - Black (Verizon) Smartphone" ], "globalId":[ "EBAY-US" ], "primaryCategory":[ { "categoryId":[ "9355" ], "categoryName":[ "Cell…