Based on your request, it seems you're interested in the , often discussed together as a "meta-programming" feature. Using Reflect alongside a Proxy is generally considered "better" because it ensures the correct behavior of the target object, especially when handling context ( this ) and inheritance. Why Reflect + Proxy is Better
Let's put the "better" claim to the test. Assume you are scraping a hard target like G2, Trustpilot, or LinkedIn. reflect4 proxy better
: Some internal methods are "specification-only" and cannot be called directly as functions. Reflect acts as a wrapper for these internal methods, allowing you to perform actions like Reflect.construct or Reflect.ownKeys safely. Comparison Overview Proxy Alone Proxy + Reflect Execution Manual code for every operation One-to-one mapping for traps Context May lose this binding Preserves context via receiver Feedback Silent failures for some actions Boolean success/failure results Readability Verbose and error-prone Clean, functional syntax JavaScript Proxy and Reflect API Based on your
// JDK proxy: requires an interface UserService service = (UserService) Proxy.newProxyInstance(...); Assume you are scraping a hard target like