getting an instance of a type from the IoC

gistfile1.js

this.get = function(key){
		for(var i = 0; i < self.dependencies.length; i++){
			var dep = self.dependencies[i];
            
			if(dep.key === key){
				var deps = [];
				if(dep.dependency.$deps != null){
					for(var d = 0; d < dep.dependency.$deps.length; d++){
						deps.push(self.get(dep.dependency.$deps[d]));
					}
				}
				return dep.dependency.$ctor.apply(null, deps);
			}
		}
		return null;
	};