sequelize op not null code example

Example 1: in in sequelize

await Tag.findAll({
  where: {
    id: {
      [Sequelize.Op.in]: [1, 2, 3, 4]
    }
  }
});

Example 2: SEQUELIZE OR

"SELECT * FROM Student WHERE LastName='Doe' OR FirstName in ("John","Jane") OR Age>18"