var n = this.elements.length, k = n, i; do { i = k - n; 
var n = this.elements.length; for (var i = 0; i < n; i++) { 
  each: function(fn) {    var n = this.elements.length, k = n, i;    do { i = k - n;      fn(this.elements[i], i+1);    } while (--n);  },
3123	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3123/5bb35ddb3516d7e68f3747d86540ffaa68de3fe3/vector.js/buggy/src/vector.js