源码
- ts
function attr(name:string):string {
}
function attr(age:number):number{
}
function attr(nameorage:any):any{
if(nameorage && typeof nameorage === "string"){
alert("姓名：" + nameorage);
}else{
alert("年龄：" + nameorage);
}
}
attr("xiaochuan");//"姓名：xiaochuan"
attr(10);//"年龄：10"
- HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>TypeScript 函数-重载</title>
</head>
<body>
<script type="text/javascript" src="Functions.js"></script>
</body>
</html>
- 浏览器输出结果
image.png
image.png
