JavaScript syntax detector

☉ Hashbang 注释 Hashbang (0/1)
☉ let 和 const LetConst (0/2)
☉ 模板字符串 TemplateLiterals (0/2)
☉ 带标签的模板字符串 TaggedTemplateLiterals (0/1)
☉ 解构赋值 DestructuringAssignment (0/1)
☉ 箭头函数 ArrowFunctions (0/1)
☉ 对象字面量简写 ObjectInitializer (0/1)
☉ for...of 循环 ForOf (0/1)
☉ 默认参数 DefaultParameters (0/1)
☉ 展开语法 SpreadSyntax (0/2)
☉ 大整数 BigInt (0/1)
☉ 正则表达式匹配索引 /d RegExpMatchIndices (0/1)
☉ 正则表达式匹配索引 /s RegExpMatchDotAll (0/1)
☉ 正则表达式匹配索引 /u RegExpMatchUnicode (0/1)
☉ 正则表达式匹配索引 /v RegExpMatchUnicodeSets (0/1)
☉ 正则表达式匹配索引 /y RegExpMatchSticky (0/1)
☉ 数字分割符 NumericSeparators (0/1)
☉ 类定义 Class (0/2)
☉ 模块导入导出 ImportExport (0/2)
☉ 生成器函数 Generator (0/1)
☉ 指数运算符 Exponentiation (0/1)
☉ 异步函数 AsyncAwait (0/2)
☉ 剩余参数 RestParameters (0/1)
☉ 异步迭代 ForAwaitOf (0/1)
☉ 可选的 catch 绑定 OptionalCatchBinding (0/1)
☉ 可选链 OptionalChaining (0/1)
☉ 空值合并运算符 NullishCoalescing (0/1)
☉ 动态导入 DynamicImport (0/1)
☉ 逻辑或赋值运算符 LogicalOrAssignment (0/2)
☉ 顶层 await TopLevelAwait (0/1)
☉ 类私有成员 ClassPrivateMember (0/1)
☉ 类的静态初始化块 ClassStaticBlock (0/1)

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