✡️literal

🚧 施工中

JS ⟩ grammar ⟩ token ⟩ literal

(token) a data value that appears directly in a program.

3.14        // number (numeric literal)
"hello"     // string
true        // boolean
null        // absence of an object

🔴 主題

• object literal

• array literal

• template literal

• Null literal - null

• bealean literals - true, false

• numeric literals

  • octal literal / hexadecimal literal / ...

• string literals

• regex literals

👥 相關

• 💡a literal is an expression.

• String

• octal literals not allowed in strict mode❗️

• strict mode

📘 手冊

• Lexical grammar ⟩ Literals

  • null

• Boolean

• ECMA ⟩ Lexical Grammar ⟩ 12.8 Literals

🚧

• octal literal

• hexadecimal literal