lovecoding
/
VIP32


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        /** 
         * 代理 proxy
         * const proxy = new Proxy(target,handler)；
         * target 目标值
         * handler 包含一系列的拦截操作 
         *
         * */
        let obj = {
            name:'Lucy',
            // age: 18
        }
        const vase = new Proxy(obj,{
            get(target,key,prototype) {
                console.log(target,'目标对象');
                console.log(key,'方法');
                console.log(prototype,'代理值');
                return target;
            },
            set(target,key,prototype) {
                console.log(target,'原对象')
                console.log(key,'修改的属性');
                console.log(prototype,'新对象');
                //执行代理中的内容
                return target[key] = 'AAA';
            }
        })
        vase.name = 'LiLi';
        console.log(vase.set);
        // console.log(vase.get.name);
        // console.log(vase.set);
    </script>
</body>
</html>