- 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
- alert("ming")
- }else{
- alert("age");
- }
- }
- attr("hell");
- attr(10);
来源: http://www.bubuko.com/infodetail-3019956.html