this 关键字 (The this Keyword)new 运算符 (The new Operator)super 关键字 (The super Keyword)? : ) (Conditional Operator ( ? : )), )if 语句 (The if Statement)do-while 语句 (The do-while Statement)while 语句 (The while Statement)for 语句 (The for Statement)for-in、for-of 与 for-await-of 语句continue 语句 (The continue Statement)break 语句 (The break Statement)return 语句 (The return Statement)with 语句 (The with Statement)switch 语句 (The switch Statement)throw 语句 (The throw Statement)try 语句 (The try Statement)debugger 语句 (The debugger Statement)?um/p1-90`本标准定义了 ECMAScript 2026 通用编程语言。