JavaScript

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React Tutorial: How It Compares to Angular and Vue

In recent years, React went from being an also-ran in the JavaScript universe to the most popular JS library. However, how does React stack up against Angular and VueJS in 2019?

In the first part of our React tutorial series, Toptal JavaScript Developer Kamil Jakubczak outlines the reasons behind React’s popularity and explains how to get started on your first React app.

12 minute readContinue Reading
Kamil Jakubczak

Kamil Jakubczak

ActiveResource.js: Building a Powerful JavaScript SDK For Your JSON API, Fast

As simple as your RESTful API may be, even internal users will want a JavaScript package that will do all the heavy lifting for them. Why build each CRUD request by hand, or worse, deal with related resources using custom code for every scenario? With ActiveResource.js, you don’t have to.

13 minute readContinue Reading
Nick Landgrebe

Nick Landgrebe

As a JS Developer, ES6 Classes Are What Keep Me Up at Night

JavaScript is an oddball of a language with numerous approaches to almost any problem. When ES6 added the “class” keyword, did it save the day or just muddy the waters? In this article, Toptal Freelance JavaScript Developer Justen Robertson explores OOP in modern JS.

11 minute readContinue Reading
Justen Robertson

Justen Robertson

Is It Time to Use Node 8?

Node 8 has brought significant performance and feature upgrades. Should you use it on new projects? Is it worth upgrading existing codebases? In this article, Toptal Freelance JavaScript Developer Youssef Sherif gives a tour of Node 8’s biggest changes and what they mean for your project.

13 minute readContinue Reading
Youssef Sherif

Youssef Sherif

Option/Maybe, Either, and Future Monads in JavaScript, Python, Ruby, Swift, and Scala

If you’re searching for the holy grail of bug-free code in JavaScript, Python, Ruby, Swift, and/or Scala, look no further! This monad tutorial by Toptal Freelance Functional Programmer Alexey Karasev takes you from category theory to the practical implementations of the Option/Maybe, Either, and Future monads, plus a sample program—in all five languages.

23 minute readContinue Reading
Alexey Karasev

Alexey Karasev

The Ultimate ENS and ĐApp Tutorial

The Ethereum Name Service is a blockchain-backed alternative to the internet’s traditional Domain Name System. If you own a .eth domain, you can deploy smart contracts that let users set up their own subdomains—but then, of course, you’ll want a corresponding ĐApp to make it user-friendly. In this tutorial, Toptal Freelance Ethereum Developer Radek Ostrowski provides complete coverage of this scenario, this time with a focus on ĐApp development.

11 minute readContinue Reading
Radek Ostrowski

Radek Ostrowski

Dive into React Native for Android Development

Despite initial skepticism, React Native is very much in demand today!

In this article, Toptal Freelance React Native Developer, and former React Native skeptic, Alexander Pataridze talks about why he became a React Native advocate instead and introduces us to the technology by illustrating four use-cases.

14 minute readContinue Reading
Alexander Pataridze

Alexander Pataridze

Web Scraping with a Headless Browser: A Puppeteer Tutorial

In this article, Toptal Freelance JavaScript Developer Nick Chikovani shows how easy it is to perform web scraping using a headless browser. Specifically, he provides a Puppeteer tutorial, going through a few examples of how to control Google Chrome to take screenshots and gather structured data.

10 minute readContinue Reading
Nick Chikovani

Nick Chikovani

Hot Module Replacement in Redux

Hot module replacement is one of the most useful features offered by Webpack. It allows all kinds of modules, including JSON, CSS, and JS files, to be updated at runtime without needing a full refresh.

In this article, Toptal Freelance JavaScript Developer Shaojiang Cai demonstrates how to use Hot Module Replacement in Redux.

5 minute readContinue Reading
Shaojiang Cai

Shaojiang Cai

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