Can you write a shortest infinite loop?

I know this might sound silly. But, what's the shortest infinite loop you can write?

Terms:

1. Use anything from assembly -> shell scripts -> java -> js -> brainfuck
2. Print 1 in a newline
3. Remove all possible spaces, making as many less chars as possible

Update your answer as you think of new one

Edit : Current shortest infinite loop @CodingCreature hashnode.com/post/can-you-write-a-shortest… in fish lang with 4 chars. You can try it out here fishlanguage.com