b; // Returns undefined. Treated as: // return; // a + b; // Should be written as: // return a + b; 注释语法和C++,Swift,和许多其他编程语言相同。 // a short, one-line comment
[2017-04-19]. (原始内容存档于2020-11-25) (英国英语). Peter Foster. Donald Tusk promises to deal 'firmly' with Britain as EU leaders unanimously agree Brexit negotiating