Proxy ownKeys Example

ProxyOwnKeysExample.js

const target = { name: 'Alice', age: 30 };

const handler = {
    ownKeys: function(target) {
        console.log('Getting property keys.');
        return Reflect.ownKeys(target);
    }
};

const proxy = new Proxy(target, handler);

console.log(Object.keys(proxy));  // Logs: Getting property keys. Output: ['name', 'age']