下列代码的输出结果是( )。function attr(name: string): string;function attr(age: number): string;function attr(nameorage: any): any { if (nameorage && typeof nameorage === "string") { //代表当前是名字 console.log("ming") } else { console.log("age"); }}attr("hello");
A、运行错误;
B、运行正确,结果为h;
C、运行正确,结果为he;
D、运行正确,结果为hello
发布时间:2025-06-15 13:46:05