Skolarli JavaScript tutorials are hands-on, step-by-step walkthroughs you can follow and run. Each one answers a single concrete question, shows the working code, and explains the tradeoffs.
General
Ten advanced questions on concurrency, error handling, and race conditions, including the sequential-await-in-a-loop mistake that produces correct but needlessly slow code. Built for candidates who already understand basic Promises and event loop ordering.
Read tutorialGeneral
A framework for hiring managers to screen JavaScript-heavy frontend candidates across four dimensions, core fundamentals, async and performance reasoning, state-mutation habits, and failure handling, calibrated by seniority level. Makes the case against trivia-heavy screens in favor of applied questions that actually predict production bugs.
Read tutorialEvery tutorial opens with a direct answer to the question in its title, then walks through the working solution step by step. Code you can copy sits in a syntax-highlighted block. Tutorials that belong to a series are ordered from beginner to advanced so you can follow a path rather than hunt for the next piece.
Looking to sharpen judgment rather than complete a task — interviews, career moves, what to look for when applying? Those live in Guides.
For hiring & L&D teams
These tutorials are also where teams come to shape their question banks. If you're putting together coding assessments, technical screens, or a question library for hiring or training, Skolarli's assessment platform does it at scale — with proctoring and integrity built in. Tell us what you're assessing for.