Linear Fibonacci, Javascript

fibonacci

function runner(){
  
  var a = 0;
  var b = 1;
  
  
  return function fibonacci(){
      
      var c = a + b;
      a = b; b = c; 
      print = function(){ console.log(c); };  
      
      return { c: c, print: print, };
  
  };
  
}


var f = new runner();

for (var a = 0, myF = f(); a < 20; a++, myF = f() ){

    myF.print();  
}