gistfile1.txt

// In this example, the private_thing is more like a private class variable than a private instance variable.

var F=function(){
  var private_thing = '';
  this['private_thing'] = function(){ return private_thing; }; // get…
  this['set_private_thing'] = function(o){ private_thing = o; }; // set…
  
  this['public_thing'] = '';
};

thingie_one = new F();
thingie_two = new F();

thingie_one['public_thing'] = 'dog';
thingie_two['public_thing'] = 'cat';

thingie_one.set_private_thing('house');
thingie_two.set_private_thing('car');

puts(thingie_one['public_thing']);
puts(thingie_two['public_thing']);
puts(thingie_one.private_thing());
puts(thingie_two.private_thing());