var myArray = {id1: 100, id2: 200, "tag with spaces": 300}; myArray.id3 = 400; myArray["id4"] = 500; for (var key in myArray) { console.log("key " + key + " has value " + myArray[key]); }
var categories = [ {"1":"Category 1"}, {"2":"Category 2"}, {"3":"Category 3"}, {"4":"Category 4"} ];