You’d usually use Node. js and its ecosystem as part of your toolchain when developing frontend applications, but the deployed application will still be regular JavaScript that runs in the user’s browser. You can use Node’s package manager npm instead of Bower for managing your frontend dependencies, for instance.

You’d usually use Node. js and its ecosystem as part of your toolchain when developing frontend applications, but the deployed application will still be regular JavaScript that runs in the user’s browser. You can use Node’s package manager npm instead of Bower for managing your frontend dependencies, for instance.