NHờ Anh/Chị chỉ cách viết Google Script để thay cho hàm countif của google sheets. Cảm ơn!
https://docs.google.com/spreadsheets/d/1YTOA-VLjupiwcESfYTl_32iR2fFY1iBO5on8t27WvTg/edit?usp=sharing
https://docs.google.com/spreadsheets/d/1YTOA-VLjupiwcESfYTl_32iR2fFY1iBO5on8t27WvTg/edit?usp=sharing