10 fresh write-ups from the JavaScript world. Comes out every Friday (or Saturday if I'm overloaded).

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All the New ES2019 Tips and Tricks

he ECMAScript standard has been updated yet again with the addition of new features in ES2019. Now officially available in node, Chrome, Firefox, and Safari you can also use Babel to compile these features to a different version of JavaScript if you need to support an older browser. Let’s look at what’s new!


Exploring the Two-Sum Interview Question in JavaScript

The two-sum interview question is interesting to explore because it has both a brute force logical, solution, as well as a more efficient solution that can demonstrate strong CS fundamentals.


Metaprogramming in JavaScript with jscodeshift - Onfido Tech

Metaprogramming is a powerful but under-appreciated tool. Even though many widely used development tools use it under the hood, interest in metaprogramming is steadily declining (at least according to Google Trends data)


⭐ JavaScript Upgrade

This week we are going to finally tap into server-side. We'll created a simple API server layer using KoaJS from the famouse TJ Holowaychuk. The episode is out tomorrow. BTW, until the end of the week you can subscribe with this link with a -67% discount.


React v16.9.0 and the Roadmap Update – React Blog

Today we are releasing React 16.9. It contains several new features, bugfixes, and new deprecation warnings to help prepare for a future major release.


Scrape a site with Node and Cheerio in 5 minutes - Dylan Sather - Medium

Website scraping is a common problem with a common toolset. Two approaches dominate the web today The first approach — driving a real browser programmatically — is typical for projects where you’re running automated website tests, or capturing screenshots of your site. The second approach has…


Getting started with Node.js: Introduction

A beginner's guide to writing Node.js applications


Functional Error Handling with Express.js and DDD

How to expressively represent (database, validation and unexpected) errors as domain concepts using functional programming concepts and how to hook those errors up to our Express.js base controller.



Immutable-style AJAX library for the browser. Contribute to codeclown/yea development by creating an account on GitHub.



🎨 Create simple badges in the browser console. Contribute to dennis47528/console-badge development by creating an account on GitHub.

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