14 posts found for the tag js

The best way to pad a string in JavaScript

Posted on November 2, 2023

Padding a string means filling up a string with another character sequence or string. For example, you have written a function to the time formatted in hh:mm:ss format. function getTime() { const hour = new Date().getHours(); const min = new Dat...

Why use default parameters in JavaScript functions?

Posted on October 30, 2023

Function in programming is a block of code that performs a specified task. You define them once and can call them(using a name in most cases) wherever you want to perform that task. JavaScript is no different. In JavaScript, one of the popular ways t...

What do you need to know to become proficient in JavaScript?

Posted on March 22, 2023

JavaScript is everywhere! It's the web browser's language and helps you create web, mobile, and desktop applications. Today, JavaScript is not limited to the client side alone; it is equally popular as the base of server-side frameworks like Node.js ...

Understanding JavaScript Execution Context like never before

Posted on June 10, 2020

Introduction Execution Context is the most fundamental part of JavaScript programming language. In this post, we will take an in-depth dive into this concept to find out and it is not only fundamental but straightforward to understand. In many cases...

JavaScript Interpreted or Compiled? The Debate is Over.

Posted on June 4, 2020

Introduction As a beginner to the JavaScript programming language, I had faced this question so many times: Does JavaScript Interprets the Source code, or it really Compiles? Many of the answers that I found on the internet made me as Confused as, ...

Redux with React: Multi Components Way

Posted on October 31, 2019

Introduction Welcome to the last and the shortest post of the series called, A blend of Redux and ReactJs - State Management Made Easy! This post is built lots based on previous two posts of the series, Redux Core Concepts Made Easy Step by Step G...

Node.js Important Globals and Process Object

Posted on October 3, 2019

This is the continuation of my previous post in the Node.js series, Node.js - Knowing the Global Objects In the last post of the series, we learned about the global, which contains all the available functionalities by default to a node.js program ...

Private class fields in JavaScript, this time in true sense!

Posted on July 9, 2019

In general, one should ignore reading this further as, we are talking about yet another way to make a class field Private in JavaScript! We, the JS Developer community know more than couple of ways to do it already. Be it, Using Class Constructor U...

JavaScript: Why Reflect APIs?

Posted on June 17, 2019

In my last post on Metaprogramming we had a high level look at the JavaScript(ES6) Proxy. In this post, we are going to discuss about JavaScript Reflect APIs, another inclusion in ES6. First thing first, What is Reflect? Just before we go to underst...

Node.js - Knowing the Global Objects

Posted on May 3, 2019

By definition A Global object is, An object that always exists in the global scope. For web browsers, we have a window object. It provides the “browser window” functionality and also plays the role of a global object. When scripts create global va...

JavaScript Object References, in Simplistic Way!

Posted on April 27, 2019

Introduction Actually a topic like this hardly need an introduction. Knowing the concept of reference, how to pass-by-value and pass-by-reference etc. are considered to be the basic JavaScript concept. So, what's my motivation behind writing this po...

Have you seen a Frozen Object?

Posted on April 16, 2019

Prologue Few years back as a Java programmer, I used to admire the concept of making something Immutable. What was fascinating that, once marked immutable, changing it's property, extending it really not possible. Once I switched to JavaScript, I was...

Task Queue and Job Queue - Deep dive into Javascript Event Loop Model

Posted on April 15, 2019

There is a famous saying, Keep every promise you make and only make promises you can keep. In my last post, I also made a promise that I shall write about the concept of Task and Job Queues. Here is the post on it. Interestingly, this post is mos...

Javascript Event Loop - Why so Serious!

Posted on April 14, 2019

Let me put a dramatic start to this one. This is not just a blog, story, or any other technical article. This is rather a realization that I had very recently. I have seen two categories of JavaScript developers in my surroundings. One that knows how...