A server application built using Express js a popular Node js framework
The server listens on port 3000 and has several endpoints that return different types of responses: plain text, JSON, and HTML.
The /textmessage endpoint returns a plain text message, while the /jsonmessage endpoint returns a JSON object. The /htmlmessage endpoint returns a simple HTML page, and the /info endpoint returns an HTML page that greets the user and displays the current time.