JS Patterns
Explore classic patterns (debounce, memoize, iterators, and more) with runnable demos and short explanations.
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Continue journeyWelcome
Practice JavaScript patterns, React, TypeScript, Vue, Angular, full-stack web topics, company-style questions, and AI mock interviews — all in your browser.
Featured track
React Questions
Walk through hooks and React interview topics with live examples you can inspect and tweak.
View moduleTypeScript
Types, generics, narrowing, and compilation concepts — pair this hub with Company Q&A filtered by the TypeScript category.
View moduleNeed a hint on your code?
Use Company Q&A and the mock interview to get structured feedback — practice explaining the “why” behind your implementation.
What this site is
This is a focused training ground for technical interviews. You can read and run interactive examples, try coding exercises in a sandbox, review company-specific Q&A, and run a voice-friendly mock interview powered by Claude when you add your API key.
How to use each area
JS Patterns
Explore classic patterns (debounce, memoize, iterators, and more) with runnable demos and short explanations.
JS Patterns →React Questions
Walk through hooks and React interview topics with live examples you can inspect and tweak.
React Questions →TypeScript
Types, generics, narrowing, and compilation concepts — pair this hub with Company Q&A filtered by the TypeScript category.
TypeScript →Vue.js
Composition API, reactivity, and Vue runtime topics — jump into categorized interview questions when you want to drill.
Vue.js →Angular
Components, dependency injection, change detection, and RxJS — pair this hub with Company Q&A filtered by the Angular category.
Angular →React sandbox
Experiment with React in an isolated editor and preview — useful for quick prototypes and interview-style components.
React sandbox →Mock interview
Configure your Anthropic API key in settings, then practice a timed mock interview with speech and an in-browser code editor.
Mock interview →Company Q&A
Browse categorized questions and answers tailored for company-style interviews.
Company Q&A →CV analysis
Paste your résumé, optionally add a target job, and get structured feedback for your search using your chosen AI provider.
CV analysis →
Choose a section from the navigation above to get started.