A value must be one of allowed. Checked with includes() on the value list, never by a keyed table lookup, so inherited names such as __proto__, toString or constructor are rejected too.
allowed
includes()
__proto__
toString
constructor
A value must be one of
allowed. Checked withincludes()on the value list, never by a keyed table lookup, so inherited names such as__proto__,toStringorconstructorare rejected too.