I get his point -- javascript object observation has been a pain, and causes the stated workaround.s With new API like Proxy [1], we should not be able to just

I get his point -- javascript object observation has been a pain, and causes the stated workaround.s With new API like Proxy [1], we should not be able to just modify data as needed, and any observers can be notified by handlers in the object get/set. This will lead to data being fully mutable. [1] https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe...