| ANY any | |
| ATTRIBUTE attribute | |
| BOOLEAN boolean | |
| BYTESTRING ByteString | |
| BYTE byte | |
| CALLBACK callback | |
| CONST const | |
| CONSTRUCTOR constructor | |
| DELETER deleter | |
| DICTIONARY dictionary | |
| DOMSTRING DOMString | |
| DOUBLE double | |
| ENUM enum | |
| FALSE false | |
| FLOAT float | |
| GETTER getter | |
| INFINITY Infinity | |
| INHERIT inherit | |
| INTERFACE interface | |
| ITERABLE iterable | |
| LONG long | |
| MAPLIKE maplike | |
| MIXIN mixin | |
| NAN NaN | |
| NULL null | |
| OBJECT object | |
| OCTET octet | |
| OPTIONAL optional | |
| OR or | |
| PARTIAL partial | |
| PROMISE Promise | |
| READONLY readonly | |
| RECORD record | |
| REQUIRED required | |
| SEQUENCE sequence | |
| SETLIKE setlike | |
| SETTER setter | |
| SHORT short | |
| STATIC static | |
| STRINGIFIER stringifier | |
| TYPEDEF typedef | |
| TRUE true | |
| UNSIGNED unsigned | |
| UNRESTRICTED unrestricted | |
| USVSTRING USVString | |
| VOID void |