JavaScript

How to unit-test a private (non-exported) function in JavaScript

When writing unit-tests for JavaScript modules, we often encounter a dilemma wherein the module has some private functions that have not been...

The new Logical Assignment Operators in JavaScript

The latest version of ECMAScript introduced three new logical assignment operators: nullish, AND, and OR operators. These are supported from Firefox 79...

How to groupby using reduce in JavaScript

The groupBy method is one of the reasons people use lodash in their project. In this blog post, we will write our...

JavaScript Promise combinators: race, all, allSettled, any

Promises have not been a new concept in the javascript community. They have existed in the ecosystem for a long time. JavaScript...

Rest and Spread operator: Three dots that changed JavaScript

The rest and spread operator have changed the way I do a lot of things in JavaScript and I have started using...

How to import/export ES6 modules in Node

If you have been following the javascript ecosystem for a while, you already know that even though ES6 modules are a thing, you still...

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Creating a GraphQL API with Apollo Server

One of the many complaints about the GraphQL ecosystem is that there is a lot of indirection around what packages to use...

Natural Language Processing – A 30,000 feet view

Natural Language Processing has gained a lot of popularity owing to an exponential increase in unstructured data generation. Here are some fun...

How to unit-test a private (non-exported) function in JavaScript

When writing unit-tests for JavaScript modules, we often encounter a dilemma wherein the module has some private functions that have not been...

Detecting click outside component using React hooks

If you have tried developing your own dropdown, modal, or popover in React, you would have come across this. "How do I...

Demystifying Programming Interview: Number of Islands

If you are reading this post right now, chances are high that you are not looking for the number of islands in...

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Hi there! Want some more knowledge?

Think that the knowledge shared is helpful? You might want to give our mailing list a try. We'll send you 2-4 emails a month, right when new posts come out.