do { i = k - n; 
console.log(n); while (n--) { i = k - (n + 1); 
  each: function(fn) {    var node = this.first, n = this.length, k = n, i;    do { i = k - n;      fn(node, i);      node = node.next;    } while (--n);  },
3123	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3123/f993befab410a4c8d4d1b2494b215c4b6e1bf18d/linkedlist.js/clean/src/linkedlist.js