How to get IntersectionObserver to work with a nodeList of div IDs or array of div IDs?

Aloha Chapter

Aloha, aloha, aloha.

Aloha, aloha, aloha.

Aloha, aloha, aloha.

Aloha, aloha, aloha.

Aloha, aloha, aloha.

Aloha, aloha, aloha.

Aloha, aloha, aloha.

Aloha, aloha, aloha.

Bravo Chapter

Bravo, bravo, bravo.

Bravo, bravo, bravo.

Bravo, bravo, bravo.

Bravo, bravo, bravo.

Bravo, bravo, bravo.

Candy Chapter

Candy, candy, candy.

Candy, candy, candy.

Candy, candy, candy.

Candy, candy, candy.

Candy, candy, candy.

Candy, candy, candy.

Candy, candy, candy.

Dingo Chapter

Dingo, dingo, dingo.

Dingo, dingo, dingo.

Dingo, dingo, dingo.

Dingo, dingo, dingo.

Dingo, dingo, dingo.

Dingo, dingo, dingo.