text: elvis = 'foo';
  
  if (typeof elvis !== "undefined" && elvis !== null) {
    console.log("I knew it!");
  }
  
  race('foo', 'bar', 'baz');
  
  cubes = (function() {
    var i, len, results;
    results = [];
    for (i = 0, len = list.length; i < len; i++) {
      num = list[i];
      results.push(math.cube(num));
    }
    return results;
  })();
  
  console.log(cubes.join('-'));
  