How do you call a local function?

Question

So heres the basic outline

function x(){
   // some code 
   function y(){
   //some more code
  }
}

function z(){
  // how do i call function y?
}
<         


        

Answer 1

1:

var ref;
function x(){
   // some code 
   function y(){
   //some more code
  }
  ref = y;
}
x();

function z(){
  ref();
}

2:

function x() {
};

x.y = function() { alert('2');};

function z() {  x.y(); }

3:

function y(){ alert('god'); };
function x() {
    function a() {
        y();
    }
}
function z() {
      y();
}
z();