lib: make DOMException attributes configurable and enumerable

The `name`, `message` and `code` attributes of the DOMException interface should be enumerable and configurable. Aligning the definition with the Web allows us to use it when running the Web Platform Tests. Refs: https://heycam.github.io/webidl/#idl-DOMException PR-URL: #22550 Refs: web-platform-tests/wpt@125950d Reviewed-By: Gus Caplan <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Tiancheng "Timothy" Gu <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: John-David Dalton <[email protected]> Reviewed-By: James M Snell <[email protected]>

Author: joyeecheung

lib/internal/domexception.js

@@ -44,7 +44,10 @@ class DOMException extends Error{
 }
 
 Object.defineProperties(DOMException.prototype,{
-[Symbol.toStringTag]: {configurable: true,value: 'DOMException'}
+[Symbol.toStringTag]: {configurable: true,value: 'DOMException'},
+name: {enumerable: true,configurable: true},
+message: {enumerable: true,configurable: true},
+code: {enumerable: true,configurable: true}
 });
 
 for(const[name,codeName,value]of[