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Understanding Prototypes in Javascript

  • Post author:Nitin Khare
  • Post published:January 22, 2021
  • Post category:Javascript
  • Post comments:0 Comments

In Javascript, objects inherit properties and methods through prototypes. In fact, Javascript is defined as a prototype-based language. As it is the prototype through which the inheritance happens. for example.…

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Basic Understanding of Closures in Javascript.

  • Post author:Nitin Khare
  • Post published:June 3, 2020
  • Post category:Javascript/Node.js
  • Post comments:0 Comments

A very straightforward way of understanding closures in javascript is that closures are what that gives your javascript functions access to the scope of your outer function. Let us first…

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Variable Hoisting in Javascript.

  • Post author:Nitin Khare
  • Post published:May 24, 2020
  • Post category:Javascript/Node.js
  • Post comments:0 Comments

Javascript is weird. In Javascript you can use a variable before declaring it. In other words, A variable can be declared after it has been used. for example: x =…

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What is ‘This’ keyword in Javascript?

  • Post author:Nitin Khare
  • Post published:May 23, 2020
  • Post category:Javascript/Node.js
  • Post comments:0 Comments

In Javascript 'this' refers to an object in the current executing context. Now, let's check what the hell is the current execution context. It simply means on what scope or…

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Understanding JWT Tokens using Node.js.

  • Post author:Nitin Khare
  • Post published:May 22, 2020
  • Post category:Javascript/Node.js
  • Post comments:0 Comments

So, We will be checking how to use jwt token for api authorization. For the sake of this tutorial I won't be using any database for data but rather an…

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Converting a JSON Object to Key-Value Pairs with Javascript.

  • Post author:Nitin Khare
  • Post published:May 19, 2020
  • Post category:Javascript/Node.js
  • Post comments:0 Comments

We will see how to convert a JSON Object. Well, more like an array of JSON objects to a Key-Value pair. First, get a JSON object. I will be using…

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Consuming SOAP API with NODE.js

  • Post author:Nitin Khare
  • Post published:May 17, 2020
  • Post category:Javascript/Node.js
  • Post comments:0 Comments

I have no idea why you or anyone would prefer SOAP over REST using Node.js. The reason why I had to do it was that one of the clients had…

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Understanding Call, Apply and Bind functions in Javascript.

  • Post author:Nitin Khare
  • Post published:March 28, 2020
  • Post category:Javascript/Node.js
  • Post comments:0 Comments

If you are trying to understand javascript's call apply bind function then the first step to understanding these call, apply, and bind methods are to understand 'this' keyword in javascript.…

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The Difference Between Object.create and Object.assign

  • Post author:Nitin Khare
  • Post published:February 2, 2020
  • Post category:Javascript
  • Post comments:0 Comments

The major difference between Object.create() and Object.assign() is that the Object.assign method creates a new Object. it uses the object provided as the prototype to the newly created Object. While…

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Browser Automation Using Puppeteer in Node.js

  • Post author:Nitin Khare
  • Post published:November 22, 2019
  • Post category:Javascript/Node.js
  • Post comments:0 Comments

In simple terms, Puppeteer is a node library that provides high-level API to control a headless chrome or chromium instance. According to its git repository : " Puppeteer is a…

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