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function A(n) {

if (n <= 0) return n;

var sum = 1;

for (var i = n; i > 0; --i) {

sum *= i;

}

return sum;

}

function C(n, m) {

return A(n) / (A(m) * A(n - m));

}

function ArrayComb(array, n) {

var result = [], t = [], e;

function Recursion(index, array, n, t, result) {

if (t.length === n) { result.push(t.slice()); return };

for (var i = index; i < array.length; ++i) {

e = array[i];

t.push(e);

Recursion(i + 1, array, n, t, result);

t.pop();

}

}

Recursion(0, array, n, t, result);

return result;

}

//>this is a Quine program implement by c language.
//>reference http://www.madore.org/~david/computers/quine.html
#include <stdio.h>
int main(void){
  char n='\n'; char g='\\'; char q='"'; char s=';';
  char*s1="//>this is a Quine program implement by c language.%c//>reference http://www.madore.org/~david/computers/quine.html%c#include <stdio.h>%cint main(void){%c  char n='%cn'; char g='%c%c'; char q='%c'; char s=';';%c  char*s1=%c%s%c;%c  printf(s1,n,n,n,n,g,g,g,q,n,q,s1,q,n,s,n,s,n)%c%c  return 0%c%c}";
  printf(s1,n,n,n,n,g,g,g,q,n,q,s1,q,n,s,n,s,n);
  return 0;
}

<script type="text/javascript">
 
        void function(global)
        {
            var mapping = {}, cache = {};
            global.define = function(id, func){
                mapping[id] = func;
            };
            
            global.require = function(id){
                if(cache[id])
                    return cache[id];
                else
                    return cache[id] = mapping[id]({});
            };
        }(this);
        
        define("moduleA", function(exports)
        {
            function ClassA(){
            }
            
            ClassA.prototype.print = function(){
                alert("moduleA.ClassA")
            }
            
            exports.New = function(){
                return new ClassA();
            }
        
            return exports;
            
        });
        
        define("moduleB", function(exports)
        {
            function ClassB(){
            }
        
            ClassB.prototype.print = function(){
                alert("moduleB.ClassB")
            }
            
            exports.New = function(){
                return new ClassB();
            }
            
            return exports;
        });
        
        define("moduleC", function(exports)
        {
            function ClassC(){
            }
        
            ClassC.prototype.print = function(){
                var classA = require("moduleA").New();
                classA.print();
                    
                var classB = require("moduleB").New();
                classB.print();
                    
                alert("moduleC.ClassC")
            }
            
            exports.New = function(){
                return new ClassC();
            }
            
            return exports;
        });
        
        var classC = require("moduleC").New();
        classC.print();
        
      </script>