quick-lint-js - Visual Studio Marketplace

This extension finds bugs in your JavaScript code.

quick-lint-js detects over 200 different JavaScript mistakes, including:

Using a variable which does not exist
await in a non-async function
= instead of === in an if statement
Syntax errors

quick-lint-js is over 110× faster than ESLint and works out of the box with no configuration.

Demonstration of quick-lint-js in Visual Studio Code

This plugin bundles quick-lint-js. You do not need to install the quick-lint-js program separately.

quick-lint-js lints your code as you type. It continuously finds JavaScript mistakes before you run your code. Improve the quality of your JavaScript code and reduce debugging time with this easy-to-use Visual Studio Code extension.

Supported JavaScript language variants:

Node.js (require)
browser JavaScript (window)
JavaScript modules (import) and JavaScript scripts
ES3, ES5, ES2015 (ES6) through ES2020
React (JSX)