lib: set Symbol.toStringTag of DOMException

PR-URL: #22933 Refs: #22550 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Tiancheng "Timothy" Gu <[email protected]> Reviewed-By: Gus Caplan <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: John-David Dalton <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: James M Snell <[email protected]>

Author: joyeecheung

lib/internal/domexception.js

@@ -43,6 +43,10 @@ class DOMException extends Error{
 }
 }
 
+Object.defineProperties(DOMException.prototype,{
+[Symbol.toStringTag]: {configurable: true,value: 'DOMException'}
+});
+
 for(const[name,codeName,value]of[
 ['IndexSizeError','INDEX_SIZE_ERR',1],
 ['DOMStringSizeError','DOMSTRING_SIZE_ERR',2],