数据类型 //布尔类型 let isDone: boolean = false; //数字类型 let decLiteral: number = 2023; //十进制 let binaryLiteral: number = 0b11111100111; //二进制 let octalLiteral: number = 0o3747; //八进制 let hexLiteral: number = 0x7e7; //十六进制 console.log("decLiteral",decLiteral); console.log("binaryLiteral",...