combine.js

    /**
     * A combined status is the worser of the provided statuses. The statuses
     * can be provided either as a set of arguments or a single array
     */
    combine: function() {
        var combined = Status.VALID;
        for (var i = 0; i < arguments; i++) {
            var status = arguments[i];
            if (Array.isArray(status) {
                status = Status.combine(status);
            }
            if (status > combined) {
                combined = status;
            }
        }
        return combined;
    }