Convert Form Data into JSON formate

Form Data To JSON

/**
Return Form Data in json formate.
require jQuery Form Selector

*/

function returnFormJson(fromSelector) {
    var output = [];

    var f_Data = $(fromSelector).serializeArray();
    for (var i = 0; i < f_Data.length; i++) {
        output[f_Data[i]["name"]] = f_Data[i]["value"];
    }
    return output;
}