This is probably best practices as well because it won't have a problem with null or undefined as toString() will.

Nothing wrong with that solution. Always good to practice the basics. Sometimes choosing to do it with a for loop is just good practice!

I was wondering how I could write a more concise arrow function for this. I'm very new to them obviously but this is great!

h2ker

dude! everyone falling for some smart methods, and then there is this guy...

I giggled when I saw this one lol

that was cheating rofl

genious

What if there nothing called needle ? Your code is gonna run without giving any index.

oof lol

Really???

hack

Thanks!

cheeky

Very clean. I like it