Demo

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

TypeScript
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>;
}