JavaScript, the backbone of the web and a magical language used to build almost anything from a ToDo app to the SpaceX rocket control panel.
When we start thinking of using an array, we think of iterations and other manipulations, and in JavaScript we often use the array.map() function to iterate through the array content. This post is about a special array method called array.some() that can be used to check if any one element… Read More »Iterating arrays with array.some() in JavaScript
In this post, I’ll thoroughly explain the concept of Promise in JavaScript. We’ll cover the coding part later, but now let’s focus on where, what, and why behind the Promise. Asynchronous programming What does Asynchronous mean? The simple definition of asynchronous means not at the same time, that’s the opposite… Read More »Promise in JavaScript
Optional chaining (?.) in JavaScript is part of the ES2020 release. This operator enables us to safely access nested properties by handling null/undefined references. In simple words, the Optional chaining operator when met with a non-existing property instead of throwing a reference error, it returns undefined. Example How it works?… Read More »Optional Chaining (?.) – Question mark and Dot in JavaScript
The Nullish Coalescing Operator (??) of JavaScript is a logical operator that enables us to set a default/fallback value when the value on it’s left are null or undefined. I was excited when I got to know this operator because of two main reasons, It makes the code clean and… Read More »Nullish Coalescing Operator ??
JSON stands for JavaScript Object Notation. It is one of the popular formats to store, transfer and structure data and in this post, I’ll explain the standard definition and usage of JSON in JavaScript. JSON is not JavaScript JSON is basically a text-based format to store data, it follows the… Read More »JSON and JavaScript 101
Data Type is the type/nature of data held in a variable. According to the latest ECMAScript standard definition, there are nine types of data in JavaScript. In this post, I’ll explain each of the data types with some examples. Dynamic Typing Javascript is Dynamically Typed, also known as a Loosely… Read More »JavaScript Data Types 101