SOURCE

var obj = new Proxy({}, {
  get: function (target, propKey, receiver) {
    console.log(`getting ${propKey}!`);
    console.log('target===',target);
    console.log('propKey===',propKey);
    console.log('receiver===',receiver);
    return Reflect.get(target, propKey, receiver);
  },
  set: function (target, propKey, value, receiver) {
    console.log(`setting ${propKey}!`);
    return Reflect.set(target, propKey, value, receiver);
  }
});

obj.name