console 命令行工具 X clear

console

"use strict"
let target = function(){return 'ddd'}
let proxy = new Proxy(target, {});
proxy.prototype.age = 12
console.log(proxy.prototype === target.prototype)
console.log(target.prototype.age)

<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>
    Proxy: 没有定义的handler实际就是操作target的属性
</body>
</html>