Mr. OWL
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Praveen Rana

I am a full stack web developer at
Tata Consultancy Services
Hitting keyboard untill something good happens, then hit GYM



Avatar image   Praveen posted in ES6   October 22, 2017

Arrow function in ES6

If you're doing JavaScript development, you will be aware of the situation where handling this causes hair pulling sometimes specially if you are javascript newbie.
ES6 solves this this problem using arrow functions. They are used as fat arrow symbol ( =&...

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October 22, 2017

Avatar image   Praveen posted in ES6   October 16, 2017

Block Scoping in ES6

If you are coming from any object oriented programming language like C# or Java, it often lead you to the practice of block scoping of variable.
But what does block scoping means ?
Okay let's see an example

if(t...
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October 16, 2017

Avatar image   Praveen posted in Javascript   August 7, 2017

Scope in JavaScript

In every programming language, the scope of your variable plays an important role and when it comes to javascript, it is worth giving attention to.

In this post, I will explain what the scope is, and how it behaves in your javascript code.

Scope of a variable is controlled by the lo...

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August 7, 2017

Avatar image   Praveen posted in Javascript   July 31, 2017

Hoisting in Javascript

If you have done a bit of coding in JavaScript, you often see a scenario where function is called it is defined in the source code and you can use variable before it is defined.
So how its working , the answer is because of hoisting.

In JavaScript variable declarati...

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July 31, 2017

Avatar image   Praveen posted in Angular2   June 7, 2017

Token based authentication using Angular2 and Nodejs: Part 2

Our First part of this application can be found here. Please take look to see how we set up the server in order to secure our api end points and providing token to client if enters the right details...

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June 7, 2017

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Praveen Rana

I am a full stack web developer at
Tata Consultancy Services
Hitting keyboard untill something good happens, then hit GYM