class A { constructor() { f super(); } } function *f() { const f = f yield; } f ?? 1; f || 1; f && 1; f | 1; f ^ 1; f & 1; f == f; f <= f; f != f; f === f; f !== f; f instanceof f; f in {}; f * f; f / f; f % f; f ** f; f +f; f -f; f this; f null; f true; f false; f 1; f 123n; f {}; f function test() {}; f class A {}; f new A(); f / 1; f +1; f -1; f ~1; f !1; f someIdentifier; f delete a[field]; f typeof MyClass; f void a; f <= 1; f (await 1); f import.meta; f import("123");