Author: K Z

Cookies are simple, small files/data that are sent to client with a server request and stored on the client side. Every time the user loads the website back, this cookie…

Static files are files that clients download as they are from the server. Create a new directory, public. Express, by default doesn't allow you to serve static files. We need a…

Web applications need to provide the functionality to allow file uploads. Let us see how we can receive files from the clients and store them on our server. We have…

Forms are an integral part of the web. Almost every website we visit offers us forms that submit or fetch some information for us. To get started with forms, we…

Middleware functions are functions that have access to the context object and the next middleware function in the application’s request-response cycle. These functions are used to modify the request and response objects…

Error handling plays an important part in building web applications. Koa uses middleware for this purpose as well. In Koa, you add a middleware that does try { yield next } as…

Redirection is very important when creating websites. If a malformed URL is requested or there are some errors on your server, you should redirect them to the respective error pages.…

A Koa Response object is an abstraction on top of node's vanilla response object, providing additional functionality that is useful for everyday HTTP server development. The Koa response object is…

A Koa Request objects is an abstraction on top of node's vanilla request object, providing additional functionality that is useful for everyday HTTP server development. The Koa request object is…

The HTTP method is supplied in the request and specifies the operation that the client has requested. The following table summarizes the commonly used HTTP methods. Sr.No.Method & Description1GETThe GET…