Over 130× faster than ESLint, quick-lint-js gives you instant feedback as you code. Find bugs in your JavaScript before your finger leaves the keyboard. Lint any JavaScript file with no configuration.

Install quick-lint-js
Latest version: 2.6.0 (released )
see all installation options · release history
Features
feature | quick-lint-js | ESLint | JSHint | RSLint | Deno | |
---|---|---|---|---|---|---|
speed |
🚀 quick |
🐇 capable |
🐢 slow |
🐇 capable |
🐢 slow |
|
license | free GPLv3 |
open source MIT |
open source MIT |
open source MIT |
open source MIT |
|
easy npm install | ✅ | ✅ | ✅ | ❌ * | ❌ | |
easy setup |
✅ zero config |
❌ config or init
|
❌ config |
✅ config optional |
✅ zero config |
|
JSX | ✅ | ✅ † | ❌ | ❌ * | ✅ | |
TypeScript | ❌ * | ✅ † | ❌ | ❌ * | ✅ | |
lint rules | minimal | zillions | some | some | some | |
stable | ✅ | ✅ | ✅ | ❌ | ✅ | |
feature | quick-lint-js | ESLint | JSHint | RSLint | Deno | |
VS Code |
![]() |
✅ | ✅ | ✅ | ✅ | ✅ |
Vim |
![]() |
✅ | ✅ | ✅ | ❌ | ✅ |
Neovim |
|
✅ | ✅ | ✅ | ❌ | ✅ |
WebStorm |
|
❌ | ✅ | ✅ | ❌ | ✅ |
Sublime Text |
|
✅ | ✅ | ✅ | ❌ | ✅ |
Notepad++ |
|
❌ | ✅ | ✅ | ❌ | ❌ |
Atom |
|
❌ | ✅ | ✅ | ❌ | ✅ |
Emacs |
|
✅ | ✅ | ✅ | ❌ | ✅ |
Codespaces |
![]() |
❌ | ❌ | ❌ | ❌ | ❌ |
Kate |
|
✅ | ❌ | ❌ | ❌ | ❌ |
LSP server | ✅ | ✅ | ❌ | ✅ | ✅ |
* feature is planned
† feature requires a plugin