Tag Archives: Video

Video – Step by Step using TypeScript in a Node.js Application

This video explains steps to use TypeScript in a Node.js application. You can read step by step article on the same here –  here Download source code from here https://www.youtube.com/watch?v=fOkAMBVyuo0   To start with create a folder and run npm init command inside the folder. After that install these dependencies,  npm install -D typescript npm installContinueContinue reading “Video – Step by Step using TypeScript in a Node.js Application”

Video- Why You need the apply() and the call() methods in JavaScript

To pass value of ‘this’ object in a function apply and the call methods are used. https://youtu.be/1nG3FKN3KjU   The apply() and the call() methods are used to call a function indirectly. When you call a function using the apply() and the call() methods, that is called Indirect Invocation Pattern . The first parameter is alwaysContinueContinue reading “Video- Why You need the apply() and the call() methods in JavaScript”

Video – Various ways of creating a function in JavaScript

This video teaches you the various ways of creating a function in JavaScript. There are four ways a function can be created in JavaScript. They are as follows: 1. A function as a Statement 2. A function as an Expression 3. A function as an Arrow function 4. A function using Function constructor   https://youtu.be/1koTc_lhZLUContinueContinue reading “Video – Various ways of creating a function in JavaScript”

Presented in ng-India 2019

ng-India is India’s largest conference on Angular and JavaScript. It happened on 23 Feb in Gurgaon, India and was attended by around 350 developers around India. There were speakers from all across world teaching on various topics such as Ivy rendering, Webpack, RxJS, Change Detection in Angular, Directives, ViewEncapsulation, ngRx etc. I also had anContinueContinue reading “Presented in ng-India 2019”

Video – Arrow Function in JavaScript

Arrow function was introduced in ECMA 6.  It is different than function statement or expression , as it does not have its own ‘this’ , and can also not be used as constructor.  Some important points about Arrow function are: It does not have prototype property It does not have arguments parameter It does notContinueContinue reading “Video – Arrow Function in JavaScript”

Video – JavaScript object instances does not copy definition from the class

I recently wrote a blog post about Two Problems of a JavaScript Class. In my opinion one gotchas in a JavaScript class is , object instances does not copy definition from the class. Watch this video to understand it through codes.  f you like the video , do not forget to subscribe to our YouTube Channel for notification aboutContinueContinue reading “Video – JavaScript object instances does not copy definition from the class”

Video – Step by Step Component Communications in Angular

In Angular, components communicate to each other to share data such as object, string, number, array or html. Parent and Child Components can communicate to each other in following ways Parent and Child Components can communicate to each other in following ways @Input() @Output() Temp Ref Variable ViewChild and ContentChild   You can learn aboutContinueContinue reading “Video – Step by Step Component Communications in Angular”