D3js is the javascript library for manipulating document based on data. D3 stands for Data-Driven Documents. D3 will help us to create great visualization of graphs, charts etc. with the help of SVG , CSS and HTML DOM manipulations. In this tutorial will see that how we can use D3js in AngularJS application. just by […]
In this article, I’ll list down and explain some of the exciting ES6 features that I have been using in my Node.js development. Here is a list of them. Arrow Functions in ES6 Classes in ES6 Blocked scope with let and const Template Literals in ES6 Multi line strings in ES6 Arrow Functions in ES6 […]
In this tutorial, we will see how we can build REST APIs in Node.js using Hapi.js as our framework. Hapi.js is a rich Node.js framework for building applications and services. It was started by Eran Hammer in 2011, since then it is slowly but steadily growing popular and has been compared to the likes of […]
The much-awaited framework Angular 2 by Google is finally out and is ready for production. Now is the right time to start learning Angular 2. In this Angular 2 tutorial, we will build a simple single page application with Angular 2. While doing so, we will understand a few core concepts in Angular 2 like […]
In this AngularJS tutorial, we will learn how we can add lazy loading to our Angular application. In application what we do is, include all the css and js files in the main index page. This may result in longer application load time which may eventually result in user leaving your application and hence higher […]
This is our second article on unit testing in AngularJS. Previously we had written an article on how to setup our machine and get started with unit testing, we also wrote a test for a custom filter. In this article, we will see how we can unit test controllers in AngularJS with Karma and Jasmine. […]
Callback hell is a phenomenon that afflicts a JavaScript developer when he tries to execute multiple asynchronous operations one after the other. Some people call it to be the pyramid of doom. Let’s have a look at an example of what we call callback hell. doSomething(param1, param2, function(err, paramx){ doMore(paramx, function(err, result){ […]
Sometimes in an application, you may have a requirement to upload data via an excel file or a job to read data from a bunch of excel files or may be run some analytics. Dealing with excel files is common in web applications. This tutorial aims to make reading excel files using NodeJS easier for […]
Command Line Interface for Angular 2 Projects! Yes, you heard it right. Keep reading, believe me, Angular CLI will make your life with Angular 2 much easier. Angular CLI was introduced to us at ng-conf2016 by Mike Brocchi (@Brocco). In his talk he told us that he held a poll in March 2016 to find […]
Alerts and confirm boxes are an important part of any web application. Alerts are usually used to gain the user’s attention to some important action that is begin taken. Confirms are required to get the assurance of the action taken by the user. That being said, the standard JavaScript alert and confirm are not that cool […]
