Sometimes we have to write complex if-else statements to verify multiple conditions. For e.g., I have a function that returns the discount price based on the coupon code provided by the user. Here have to verify each and every statement which takes a long time. Approach 1 : The first…

What is Unit Testing in Angular? Unit testing in Angular refers to the practice of testing individual components, services, pipes, and other units of an Angular application in isolation from the rest of the application. The goal of unit testing in Angular is to validate that each unit of the…

1. Open notepad and enter the below commands start C:\xampp\xampp-control.exe 2. Save as .bat file 3. Open your XAMPP application, click on ‘config’ button. 4. Check the check boxes of required servers.

If you are working projects, where you’ve copy paste couple of text multiple times, here is the hack. How to Save the copied text (Ctrl + C): 1. Click on Windows key in keyboard. 2. Search for Clipboard Settings or you can also find this under System > Clipboard in…

Sometimes, we’ve to add flag or some new key-value pair to every object in array of objects. For that we can follow three ways to achieve it. For suppose, we have an array of objects as below and we want to add gender key to all the objects. students =…

While working with some Angular projects, we’ve to subscribe the same API in to different methods in a component. In order to avoid that we can use shareReplay method of RxJS. Lets consider an app which has two buttons and two different methods gets called on clicking on those buttons…

There may be a situation where you want to extract the list of values of a specific key from an objects to an array. Method 1: In one way, we can use both for loop and Array.push() method and achieve it. For example, we have an Array of objects as…

If you are here reading this post, you might be preparing for interviews. I hope that I’ll jot down the most frequently asked interview question and answers for both Freshers and Experienced as of 2021. Hope this article will help you in cracking your dream job. What is Angular? Angular…