你即將離開本站

並前往https://blog.appsignal.com/2018/09/11/differences-between-nil-empty-blank-and-present.html

Differences Between #nil?, #empty?, #blank?, and #present?

It returns true if the instance of the object has a length of zero. When used on strings, it returns true for empty strings. ruby.

確定！ 回上一頁

查詢 「Ruby if not」的人也找了：

  1. Ruby if else if
    2.
  2. Ruby not nil
    3.
  3. Ruby return unless
    4.