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Javascript 标识符ecmascript 2017规范_Javascript_Unicode_Compiler Construction_Grammar_Lexer - Fatal编程技术网

Javascript 标识符ecmascript 2017规范

Javascript 标识符ecmascript 2017规范,javascript,unicode,compiler-construction,grammar,lexer,Javascript,Unicode,Compiler Construction,Grammar,Lexer,你好,来自 Unicode属性“ID\u Start”和“ID\u Continue”指的是什么。正如所说 IdentifierName和ReservedWord是根据Unicode标准附录#31,标识符和模式语法[…]中给出的默认标识符语法解释的标记。Unicode标识符语法基于Unicode标准指定的字符属性 也在等级库的中引用 UnicodeIDStart:: any Unicode code point with the Unicode property "ID_Start" Un

你好,来自

Unicode属性“ID\u Start”和“ID\u Continue”指的是什么。正如所说

IdentifierName和ReservedWord是根据Unicode标准附录#31,标识符和模式语法[…]中给出的默认标识符语法解释的标记。Unicode标识符语法基于Unicode标准指定的字符属性

也在等级库的中引用

UnicodeIDStart::
   any Unicode code point with the Unicode property "ID_Start"
UnicodeIDContinue::
   any Unicode code point with the Unicode property "ID_Continue"