code: function _eachArrayReverse(arry, fn) {
    let ret = true
    for (let i = arry.length - 1; i >= 0; i--) {
      ret = fn(arry[i], i, arry)
      if (ret === false) {
        break
      }
    }
    return ret
  }
docs: Iterates through the array and calls the given function
  in reverse order.
  @param {Array.<*>} arry
  @param {eachCallback} fn
  @returns {boolean} - whether the loop broke early
  @private