####0.0 对象简介 Everything is Object #判断2是否为偶数 2.even? #判断3是否为奇数 3.odd? 运行结果: true true #next method 1.next.next 运行结果: 3 ← Previous Post Next Post → FEATURED TAGS Linux Sublime-text Javascript 算法 Rails Ruby Deploy Java CSS3 Rubymonk 译文 OSX Elasticsearch Docker 阅读 React Elixir Webpack2 ReactNative Phoenix FRIENDS Hux Blog It helps SEO