npm has an interesting flag called –prefix that can be useful when you have multiple…
QA
Unit Testing in JavaScript: Getting started with Vitest
Unit testing is one of the easiest ways to make your JavaScript code more reliable….
Fail Fast in Playwright with maxFailures
Large end-to-end test suites are great for coverage, but they can quickly become expensive when…
k6
Cleaner asserts in Grafana k6 load tests using expect
Grafana k6 provides an expect() function through the k6-testing library. It lets you write readable assertions…
AI: What Happens When an AI’s Context Window Gets Full?
Large language models do not “remember” a conversation the way humans do. They work from…
Upgrading Playwright package to latest version in simple steps
In this quick article I will show you how to quickly upgrade your playwright npm…
Tools
Oxfmt tutorial – the Prettier code formatter alternative, 30x faster
The Oxidation Compiler is creating a suite of high-performance tools for JavaScript and TypeScript, written…
Configuring testIdAttribute in Playwright
When writing end-to-end tests with Playwright, selectors play a very important role in making your…
Understanding p95 Percentiles in Load Testing (with k6 examples)
When you start working with performance testing tools like k6, you’ll quickly notice metrics such…
npm ci vs. npm install – what is the difference?
If you have been around JavaScript projects for a while, you have probably used both…