What is meaning of "よ—ん"


I only know that "よん" is means "four" (kanji: 四)

Some reference is
[https://en.wikipedia.org/wiki/Puyo_Puyo~n](https://en.wikipedia.org/wiki/Puyo_Puyo%7En)
where is also "よ—ん" written.

Words and example:

うわ—い! かったよ—ん! (Source: Kingyo Chuuihou! 2 - Gyopi-chan o Sagase! - in-game
conversation, after player winning one of the mini-games [Wapiko
conversation](https://i.stack.imgur.com/SqERA.jpg)). Word without "よ—ん" = できたよ
/ with "よ—ん" = できたよ—ん ; 終わったよ = 終わったよ—ん.




It's nothing more than a comical or vigorous variant of the sentence-end よ. A
few people use it in very informal situations. "ーん" means nothing, but is
added for emphasis. It may be analogous to saying "okey-dokey" instead of
"okay".

