If you wonder what's "Tree Fiddy";
It's a very old joke from one of the early seasons of South Park. Its now a popular circle-jerky response to most numerical questions.

Love it!

I have never come across function composition. I learned something new!

mind-boggling🥵

try 3 months later

I'm simple man. I don't see RegEx I like it.

This solution is at least 8 years old....

Peter Parker

KANYE WEST!

Won't it go out of bounds for both arrays during the iteration? Because of this let i = a.length + b.length;

And we just do unecessary operations of checking undefineds?

lul

I've never seen this .codePointAt() :0

Where Typescript?

Me and my 60 lines of code ...