Run Loop n Times in JavaScript

I run into the situation frequently in which I want to iterate n number of times over a loop. As a former Rubyist, I loved being able to do this:

10.times do
  # runs 10 times
end

Using classic JavaScript patterns, you could do something like this:

for (i = 1; i <= 10; i++) {
  // runs 10 times
}

But that feels ... old, doesn't it?

Here's a fancy way to do this with more modern JavaScript:

Array(10)
  .fill()
  .map(() => {
    // runs 10 times
  });

There are several quirks that makes this work the way it does. If you're curious and want to go deep, here is a great in-depth look at creating arrays in JavaScript.