Proxy Made With Reflect 4 2021 Upd -

: Used inside those traps to perform the original operation safely. 3. Step-by-Step Implementation Initialize your Target: javascript const user = name: "Alex", age: 25 ; Use code with caution. Copied to clipboard

The "2021" distinction matters because ES2021 introduced logical assignment operators and improvements to WeakRef , which, when combined with proxies, allowed for better memory management. Reflect 4 in JS specifically refers to the reflect-metadata package (version 0.4), which was widely used with frameworks like Angular and NestJS to add design-time type information. proxy made with reflect 4 2021