JavaScript

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.

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.

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.

Not everybody likes JavaScript frameworks, nor are they always applicable. But even when we don't want to or can't use them, there are some parts that are handy to have. In this tutorial, Toptal Freelance JavaScript Developer Juan Carlos Arias Ambriz proposes a simple way to recapture some of the benefits of using JSX while working in vanilla JS.

JSON web tokens (JWTs) provide a method of authenticating requests that's convenient, compact, and secure. More often than not, Angular apps will include them in their data flows. In this tutorial, Toptal Freelance Software Engineer Sebastian Schocke shows how to implement JWT authentication in an Angular 6 single-page application (SPA), complete with a Node.js back-end.

The modern, cross-platform programming language Haxe is well-known in some circles, yet many developers have never heard of it. Since it first appeared in 2005, it's been battle-tested by its loyal—if rather quiet—following. In this article, Toptal Freelance Software Engineer Kevin Bloch explores the Haxe ecosystem and how to transpile some sample code.

While preprocessors like Sass and Less have made CSS development easier, there is still a lot to be desired in this modern age of web development. In this article, Toptal Freelance JavaScript Developer Jeremy Davis explores styled-components—the niftiest CSS-in-JS library.

Mobile applications are creeping in. Developing for each mobile platform can be an exhaustive task, especially if resources are limited. This is where Apache Cordova comes in handy by providing a way to develop mobile applications using standard web technologies - HTML5, CSS3 and JavaScript. This article explores how one can get started with Apache Cordova and build mobile applications targeted at a wide range of mobile devices.

When using a JavaScript framework, your browser doesn't receive a complete page to display. Instead it gets a bunch of pieces and instructions of how to put them all together. It takes a substantial amount of time to put all this information together before your browser actually has something to display. In this article, Toptal Freelance Front-end Engineer Ben Jones introduces us to Nuxt.js, a server-side rendering library for Vue.js, inspired by the popular Next.js for React.js.