Over 90× 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.
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const occupation = language + " coder";
const language = "JavaScript";
occupation = "Senior " + occupation;
E0057 - use of undeclared variable: ocupationconsole.log(`Welcome, ${ocupationoccupation}!`);
Install quick-lint-js
Latest version: 3.2.0 (released )
see all installation options · release history
Features
| quick-lint-js | ESLint | Biome | |||
|---|---|---|---|---|---|
| 🚀 quick |
🐇 capable |
🚀 quick |
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✅ zero config |
❌ config or init
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✅ config optional |
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| free GPLv3 |
open source MIT |
open source MIT |
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✅ JSX |
✅ † JSX |
✅ JSX |
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✅ TypeScript |
✅ † TypeScript |
✅ TypeScript |
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|
minimal lint rules |
zillions of lint rules |
some lint rules |
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| feature | quick-lint-js | ESLint | JSHint | Biome | Deno |
|
VS Code
|
✅ | ✅ | ✅ | ✅ | ✅ |
|
Vim
|
✅ | ✅ | ✅ | ✅ | ✅ |
|
Neovim
|
✅ | ✅ | ✅ | ✅ | ✅ |
|
WebStorm
|
❌ | ✅ | ✅ | ✅ | ✅ |
|
Sublime Text
|
✅ | ✅ | ✅ | ❌ | ✅ |
| Notepad++ | ❌ | ✅ | ✅ | ❌ | ❌ |
|
Emacs
|
✅ | ✅ | ✅ | ❌ | ✅ |
|
Codespaces
|
❌ | ❌ | ❌ | ❌ | ❌ |
|
Kate
|
✅ | ❌ | ❌ | ❌ | ❌ |
| LSP server | ✅ | ✅ | ❌ | ✅ | ✅ |
† feature requires a plugin

