|| is lower precedence than &&. I memorized that, just like I memorized that + is lower precedence than *. There are some languages (e.g. shell) where they hav

|| is lower precedence than &&. I memorized that, just like I memorized that + is lower precedence than *. There are some languages (e.g. shell) where they have the same precedence. Prettier (JavaScript) adds parens like you suggest automatically.