[rv77ax]

I bet the author use space instead of tab.

[pluma]

If you write JavaScript and don't use two spaces for indentation you're being intentionally obtuse.

[scottmf]

What why?

[pluma]

Because you don't exist in a vacuum and two spaces is the most popular form of indentation in the ecosystem.

But these days I recommend using an intelligent autoformatter like `prettier` when writing JS exactly to avoid any such discussions.