JavaScript Proxy

What is Proxy?

Proxy intercepts object operations:

const handler = {
  get(target, prop) {
    return target[prop] || 'Not found';
  }
};

const proxy = new Proxy({}, handler);
proxy.name; // "Not found"

Key Takeaway

Proxy intercepts object operations. Customize get, set, and more. Advanced feature for metaprogramming.