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...

React Hooks and Local Storage: Let’s build a ToDo app

React hooks have been around for quite some time. They have been widely adopted by the React community since then and have...

Using async/await in ExpressJs

If you have not been living under a rock for the past few years, you probably have heard of async/await. It has...

How to setup GatsbyJS starter with TypeScript and ESLint

Gatsby has become fairly popular in the last couple of years and it has starting becoming the go to static site generator...

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...

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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.