JavaScript Prototypes

manimal.js

var man = (function() {
  var m_that = {};
 
  var photo_prototype = function(spec, my) {
    var that = {};
    var my = my || {}; 

    that.obj_name = "photo_proto";

    var get_name = function () {
      alert("Called get_name");
      return that.obj_name;
    };
    that.get_name = get_name;
   
    return that;
  };
  

  //photo_debug_prototype
  var photo_debug_prototype = function(spec, my) {
    var that = photo_prototype(spec, my);
    var my = my || {}; 

    that.obj_name = "photo_debug_prototype";
  
    var capturePhoto = function() {
      alert("debug: capturePhoto - need to add return statement here.");
    };
    that.capturePhoto = capturePhoto;
  
    return that;
  };


  //photo
  var photo = function(spec, my) {

    var debug_mode = spec.debug || false;
  
    var my = my || {}; 

    if (debug_mode) {
      var that = photo_debug_prototype(spec, my); 
    } 
    else {
      var that = photo_prototype(spec, my); 
    }
  
    return that;
  };
 
  m_that.photo = photo; 

  return m_that;
})();

var onBodyLoad = function() {
  var m = man;
  var my_photo = m.photo({}, {});
  alert("photo_prototype: name = " + my_photo.get_name());

  var my_photo_debug = m.photo({debug: true});
  alert("photo_debug_prototype: name = " + my_photo_debug.get_name());
};