git.r.bdr.sh - rbdr/dotfiles/blob

   1 'use strict';
   2
   3 module.exports = function () {
   4         var arr = [1, 'foo'], iterator, result;
   5         if (typeof arr.keys !== 'function') return false;
   6         iterator = arr.keys();
   7         if (!iterator) return false;
   8         if (typeof iterator.next !== 'function') return false;
   9         result = iterator.next();
  10         if (!result) return false;
  11         if (result.value !== 0) return false;
  12         if (result.done !== false) return false;
  13         return true;
  14 };