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Author: Nitin Arora

Prevent user from losing unsaved data

Reading Time: 3 minutes There are many instances where a user fills some details in the form, edit their details, or secure the form in such a way that if someone navigates away or closes the browser tab, they should be prompted to confirm that they really want to leave the form with unsaved data. Whenever these kind instances occur you will see an alert appear on the top of Continue Reading

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ngRx with Redux in Angular

Reading Time: 4 minutes In this blog, we will see the basic pattern of Redux and some benefits and some high-level concepts of redux and then we will discuss the brief about ngRx and its basic implementation. Redux: Redux is a predictable state container for JavaScript apps. It helps you write applications that behave consistently, run in different environments (client, server, and native), and are easy to test. On top of Continue Reading

Ionic Page LifeCycle Events

Reading Time: 3 minutes As we know Ionic pages are nothing but internally it is converted into an Angular component only as we all know Ionic frame is built on the top of Angular. And just like Angular Framework has its lifecycle hooks which we follow during the development of Web Application, Similarly, we have some interesting lifecycle events for ionic framework too which can capture and perform some Continue Reading

Angular Router: Parameter with the snapshot

Reading Time: 3 minutes The Angular Router is a powerful router library that allows developers to implement advanced functionality in their Angular applications. Earlier what we were doing if we want to send the value of the parameter from one component to the other we were makes use of the @Input decorator to get hold of that value that was being passed in from one component to the other. But, Continue Reading

What’s New in Angular 8

Reading Time: 3 minutes I am sure you all are excited about the Angular 8 release, So your wait is over now. In this blog, we will discuss newly introduce features and also discuss the breaking features which is partially introducing a feature which is yet to be developed completely and will introduce in Angular 9. Angular 8 is finally here and includes a preview of Ivy, service worker Continue Reading

RxJS Operators in Angular

Reading Time: 3 minutes Many of us make use of RxJS for its Operators and the Observable is treated as a foundation for that.  further, in this blog, we are going get the understanding of Operators provided by RxJS but before digging into it lets under what is Operators. What are the Operators? Operators are basically pure functions, that transform information into the observables stream. it always creates new Continue Reading

Drag N Drop using Angular 7

Reading Time: 4 minutes Drag and Drop is one of the new features which is provided by Angular 7. Angular 7 makes it very easy to implement this feature. So here, in this blog, we are going to learn how to drag and drop the items from a list of numbers using a basic example. Before getting started with the implementation there are some basic pre-requisites which is necessary Continue Reading

Working with Arrays using D3.js

Reading Time: 3 minutes In general, whenever we are using D3  we are using for data visualization and if we try to understand the term data visualization in depth then it is nothing but it is a result of a lot of data manipulation using Array. So before starting working with Arrays using D3.js let’s get the understanding of Arrays briefly. ARRAYS: Arrays is used to store the collection of an Continue Reading

Angular application with REST backend solution

Reading Time: 3 minutes We always need interaction between backend and frontend for creating a successful application, but it takes time to integrate backend with the frontend, while they both are working parallelly. So for those who need a fast development without waiting for the backend to create Rest backend with Mock data is a solution for this situation. We use JSON Server to make this possible and help Continue Reading

Unit Testing of Angular Service with HttpClient

Reading Time: 4 minutes Services are basically used to allow your code to share the common functionality across the application. Services play a vital role in every Angular application and promote the reusability of code. And to verify that our services are working properly or not we need to test it using unit testing. First and Foremost thing we’ll do is to create the service which is to be Continue Reading

RxJS Subject and its variants

Reading Time: 3 minutes SUBJECT Subject acts as an observable and observer both which do both listen to new notifications and also send/broadcast it to any dedicated component which subscribes to it. So the first step is to import “subject” in your typescript file. import { Subject } from “rxjs/Subject”; and now quickly create a Subject with just a simple line code written below: let newSubject = new Subject(); Continue Reading

DOM Manipulation Using D3.js

Reading Time: 4 minutes D3 (Data-Driven Documents or D3.js) is a JavaScript library for visualizing data using web standards. It is an open-source JavaScript library developed by Mike Bostock to create custom interactive data visualizations in the web browser using SVG, HTML, and CSS. giving you the full capabilities of modern browsers and the freedom to design the right visual interface for your data.

New Features in Angular 7

Reading Time: 3 minutes Angular is one of the most popular frameworks for making a web application and with the release of Angular 7, it has given some more powerful features which will enhance our application. So let’s dive deep into it and explore some new features introduced in Angular 7. A New ng-compiler Angular 7 added a new compiler that is called Angular Compatibility Compiler (ngcc). The new Continue Reading

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