7 posts found for the tag ES6

A practical guide to object destructuring in JavaScript

Posted on April 25, 2021

Object in JavaScript is used to store multiple values as a complex data structure. We create objects with curly braces({...}) and one or more properties separated by comma(,) symbols. Each of the properties is a key-value pair separated by the colon(...

What exactly is JavaScript Tagged Template Literal?

Posted on October 12, 2020

Before ES6(ECMAScript 2015), we have used single quotes('...') and double quotes("...") to wrap string literals. A simple example is, var msg = "Hello, I'm Joe and my favorite color is purple"; There were limitations when we had to concatenate multi...

How to use JavaScript Collection with Map

Posted on September 21, 2020

Introduction Unlike many other programming languages, JavaScript's way of handling data collection is mostly with objects and arrays(don't forget, technically array is also a type of object in JavaScript). A majority of the developers rely on these h...

Explain Me Like I am Five: What are ES6 Symbols?

Posted on September 9, 2020

Introduction Symbol is a primitive type(not an object) included in the ECMAScript 2015(aka, ES6). We are already familiar with the existing primitive types like, Number, String and, Boolean. Like these primitive types, Symbols are also created via a ...

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...

Ways to Empty an Array in JavaScript and the Consequences

Posted on June 12, 2019

As it is famously quoted, The only way you can stay on top is to remember to touch the bottom and get back to basics. Here is one topic from JavaScript's basic concepts. It is about, Ways to Empty an Array. But wait, is that all? No, there is more ...

Metaprogramming: An Introduction to JavaScript(ES6) Proxy

Posted on June 6, 2019

The concept of Metaprogramming is not new. There are many programming languages like Lisp, Scala, Clojure, Rust, Haskell, etc already got the use of it. JavaScript is not really behind either! Before we go any further, let us understand, What is Met...