Scaffolding is the process of creating the skeleton of the project. In simple terms, the arrangement of different types of files in various folders. For example, managing all the CSS files, js files that we want to be public, in…
Templating in Express Js
Templating helps in converting the content of the static html page to dynamic. By using templating engines we can replace the values in html document with the actual data values. For example, if we want to show the employees and…
Error Handling in Express Js
Most of the times, the program doesn’t run successfully in the first attempt. The reason can be a syntactic error, a logical error or a runtime error. Error handling is useful in handling runtime error. If we don’t handle runtime…
Cookies in Express JS
Cookies are small piece of data that are stored on client’s browser. These are send with the request to the server and the server also sends back the cookies. Cookies helps us to store the necessary information on the client…
Middlewares in Express Js
Express Js application has a series of middleware function calls. Middlewares are also function, but with some difference, like middleware functions have access to request and response object, they can call the next middleware function. The middleware function takes 3…
Routing in Express Js
Routing refers to the way the server responds to the client’s request. There can be different routes for different http methods like get, post, etc. Routing is basically the type of response the client will get back. For example if…
What is Express Js
Express Js is a minimalistic framework based on http module of Node Js. It provides us with the easier creation and implementation of the servers. It simplifies the tasks, that we have to do in order to setup a server…
Events in Node Js
Node Js is a asynchronous event-driven runtime. Node Js can perform tasks asynchronously, i.e. without waiting for a task to be executed, it can move further. Node Js has a built-in module named “events”. “events” module has EventEmitter() class. With…
React Js vs Angular Js
React Js : React Js is a Javascript library, used to create single page web applications. React uses JSX for writing its components. JSX stands for Javascript XML. In jsx we can write HTML and JS together. As React Js…
NPM in Node Js
NPM stands for Node Package Manager. It is used to install various libraries in our project. NPM is a default package manager for Node Js. It has basically two parts: A code repository, where all the code is hosted. A…