Convert js Array() to JSon object for use with JQuery .ajax

Question

in my app i need to send an javascript Array object to php script via ajax post. Something like this:

var saveData = Array();
saveData[\"a\"] = 2;
saveData[\         


        

Answer 1

You can iterate the key/value pairs of the saveData object to build an array of the pairs, then use join("&") on the resulting array:

var a = [];
for (key in saveData) {
    a.push(key+"="+saveData[key]);
}
var serialized = a.join("&") // a=2&c=1