It's not unrecommended, but it's definitely not where it shines most. It's difficult to get below the 100 KB not gzipped size. Although if you use jQuery in you

It's not unrecommended, but it's definitely not where it shines most. It's difficult to get below the 100 KB not gzipped size. Although if you use jQuery in your JS hello world, you also gather up 33 KB just for jQuery, so it's still the same order of magnitude.