text: 
  
      /**
       * Array reduceRight
       */
      function reduceRight(arr, fn, initVal) {
          // check for args.length since initVal might be "undefined" see #gh-57
          var hasInit = arguments.length > 2;
  
          if (arr == null || !arr.length) {
              if (hasInit) {
                  return initVal;
              } else {
                  throw new Error('reduce of empty array with no initial value');
              }
          }
  
          var i = arr.length, result = initVal, value;
          while (--i >= 0) {
              // we iterate over sparse items since there is no way to make it
              // work properly on IE 7-8. see #64
              value = arr[i];
              if (!hasInit) {
                  result = value;
                  hasInit = true;
              } else {
                  result = fn(result, value, i, arr);
              }
          }
          return result;
      }
  
      module.exports = reduceRight;
  
  