JSLint, JSHint, ESLint. Each of which built on the good aspects of its predecessor and evolved as new requirements came up. There are a _ton_ of tooling libraries for JavaScript. Just google "X JavaScript" for any tooling you'd expect, and you'll usually have several options. Of course, on the flip side, people will complain that there are too many options. Blah blah blah. No matter what the JS community does, people will criticize.