TypeScript Async/Await: Definition, Syntax & Examples for QA Engineers
Three days before a release, a test suite that had been green for months started failing intermittently. Not every run — maybe one in six. The failure was always the same: an assertion against a value that hadn’t been set yet, even though the code…
Read More
TypeScript Record: Typed Key-Value Collections Explained
If you’ve spent any real time writing TypeScript, you’ve probably typed Record<string, number> or Record<K, V> a hundred times without giving it a second thought. It’s one of those utility types that quietly earns its keep…
Read More
TypeScript Functions: Typing Parameters, Return Types & Examples
TypeScript functions are where the language’s type system actually earns its keep on a day-to-day basis, and if you’ve spent any time reviewing pull requests on a mid-size TypeScript codebase, you already know the pain I’m talking about…
Read More
TypeScript Set: Definition, Syntax, and Real-World Use Cases for Test Automation
I still remember the exact moment a TypeScript Set saved me from a genuinely embarrassing production bug review. We had a Playwright suite that was supposed to validate a list of unique transaction IDs coming back from a payments API, and…
Read More
TypeScript Arrays: Definition, Syntax & Methods (With Examples)
If you have spent any real time writing TypeScript, you already know arrays. You have declared them, pushed to them, mapped over them, and probably fought the compiler at least once when it refused to let you push a string into what it decided…
Read More
Playwright best practices: locators waits flaky tests
A Confession Before We Start This is a long, opinionated walk through Playwright best practices — specifically the three that cause the most pain when they’re gotten wrong: locators, waits, and flaky test prevention. Three years ago I inherited a…
Read More
TypeScript for Java Testers: A Practical Bridge Guide from Selenium to Playwright
This guide on TypeScript for Java testers exists for one simple reason: if you’ve spent the last five, eight, twelve years writing test automation in Java with Selenium WebDriver, and someone on your team just casually mentioned…
Read More