Web Front-end

Testing can be a daunting task even for experienced teams with an abundance of resources. How do Toptal developers write tests and what do they use?

In this article, Toptal React Developer Boris Yordanov introduces you to Picasso, a component library designed by our developers for in-house use.

The concise syntax of Scala usually helps developers avoid writing boilerplate. When repetitive code is required anyway, developers can use macros and quasiquotes to keep code clean and maintainable. Here’s how.

Reporting and visualizing data is crucial to businesses of all sizes. Dashboards allow users to efficiently access and use this data for a range of business operations.

In this article, Toptal Full-stack Engineer Dylan Golow demonstrates how he created a powerful dashboard for telemedicine using Airtable, Typeform, and React.

WebAssembly gives near-native performance to web apps and allows languages other than JavaScript—plus their libraries—to be used on the web. This tutorial leverages Rust and the Web Audio API to make a basic guitar tuner app that runs at 60 FPS, even on mobile.

Time and date manipulation is notoriously difficult. Developers encountering time zone rules, leap seconds, differences in locale-specific formatting are wise to resort to popular time and date manipulation libraries. But without thinking about how exactly they work, it’s still easy to create all sorts of obscure bugs.

Git provides basic branching operations, but advanced patterns are left up to the user. The popular “Git flow” branching model helps, but can also complicate some common procedures.

Thankfully, a new variation retains the benefits, while streamlining everyday work.

The release of Vue 3 brought about substantial performance improvements, but they should not overshadow the introduction of new features and paradigms.

In this article, Toptal Full-stack Developer Luka Mikec introduces you to the new Composition API and explains what Vue 3 means for code expressiveness, organization, and reuse.