There is a popular framework for using JavaScript to write backend applications, which is called Node.js.
Not nitpicking but there Node.js is technically a JS runtime (built with V7 engine), not a framework. Express.js is the actual framework that runs on Node.js.
Not nitpicking but there Node.js is technically a JS runtime (built with V7 engine), not a framework. Express.js is the actual framework that runs on Node.js.