http://stackoverflow.com/questions/29848908

detail.js

var PartnerDetail = (function ($) {

    "use strict";

    var _partnerId = -1;

    var getPartnerId = function () {

        return _partnerId;
    };

    var setPartnerId = function (id) {

        _partnerId = id;
    }

    // Public functions
    return {
        getPartnerId: getPartnerId,
        setPartnerId: setPartnerId
    };
})(jQuery);

search.internal.js

var SearchAll = (function ($) {

    "use strict";

    // Private variables

    // Private functions
    var init = function () {

        $("#partner").on("click", function () {

            var p = PartnerDetail.getPartnerId();

            console.log(p); // ==> -1
        });

    };

    // Public functions
    return {

        init: init
    };

})(jQuery);

search.js

var SearchForm = (function ($) {

    "use strict";

    // Private variables

    // Private functions

    var onSuccess = function () {

        PartnerDetail.setPartnerId(10);
    };

    // Public functions
    return {

        onSuccess: onSuccess,
    };

})(jQuery);