Terseness example

var registration = {     
    create: function() {
        var status = null;
        
        var data   = {
          id: '',
          status: ''
        };
        
        this.setStatus = function(value) {
            data.status = value;
        };
        
        this.setId = function(value) {
            data.id = value;  
        };
                                
        this.updateStatus = function(url, callback) {
            jQuery.ajax({
                url: url,
                type: 'POST',
                data: data,
                success: function(data) {
                    window.location = callback;
                }
            });  
        };
    },
    
    updateHandler: function() {
        var url      = jQuery(this).data('url');
        var callback = jQuery(this).data('callback');        
        var status   = jQuery(this).data('status');
        var id       = jQuery(this).data('id');
        
        var temp = new registration.create();
        
        temp.setStatus(status);
        temp.setId(id);                
        temp.updateStatus(url, callback);
    }
};