serializeObject.js

$.fn.serializeObject = function() {
    var data = {};
    _.each($(this).serializeArray(), function(v, k) {
        k = v.name;
        v = v.value;
        if (_.contains(k, '__prefix__')) {
            return;
        }
        if (k.match(/\-\d+\-/g)) {
            // Turn `users-0-name=Basta` into
            //
            //     {
            //         "users": [
            //             {
            //                 "name: "Basta"
            //             }
            //         ],
            //         ...
            //     }
            //
            var chunks = k.split('-');
            var group = chunks[0];
            var idx = parseInt(chunks[1], 10);
            var field = chunks[2];
            if (!(group in data)) {
                data[group] = [];
            }
            if (data[group].length <= idx && field) {
                data[group][idx] = {};
            }
            if (field && v) {
                data[group][idx][field] = v;
            }
            if (typeof _ === 'function') {
                // Strip null values and empty objects.
                data[group] = _.reject(_.compact(data[group]), function(x) { return _.isObject(x) && _.isEmpty(x) });
            }
            delete data[k];
        } else {
            data[k] = v;
        }
    });
    return data;
};