Reflect 4 Proxy Jun 2026

| Trap | Reflect method | Why not manual? | |-------------------|-----------------------------|------------------------------------------| | get | Reflect.get(...) | Handles getters & prototype chain | | set | Reflect.set(...) | Respects setters & returns correct bool | | has | Reflect.has(...) | Works with in operator natively | | deleteProperty | Reflect.deleteProperty(...) | Matches delete behavior exactly |

Mockito, EasyMock, and JMock generate proxy objects that record and verify method calls. reflect 4 proxy