# Demo

See how quick-lint-js works right here in your browser! Paste your favorite buggy JavaScript or TypeScript code below:

- TypeScript (experimental)
- JSX/React

const occupation: string = language + " coder"; const language = "JavaScript"; occupation = "Senior " + occupation; console.log(`Welcome, ${ocupation}!`); function reactHello() { return <h1 className="text-center">Hello, world!</h2>; }