Javascript proxy reactive state in under a kilobyte: an 80-line get/set trap that tracks reads, batches writes, and quietly breaks on one property name.
From Associate Engineer to SDE-2: what actually drives frontend career growth — technical skills, soft skills, and the things nobody tells you.
A hands-on guide to optimizing Core Web Vitals (LCP, INP, CLS). Covers measurement, diagnosis, and specific fixes with before/after examples from real projects.
Practical frontend testing strategies for 2025: component tests, integration, E2E, and the patterns that give the most confidence per line.
TailwindCSS v4 migration, done right: every breaking change, the new CSS-first @theme config that replaces tailwind.config.js, and a step-by-step upgrade path.
The most impactful ES2024 features: Array grouping, Promise.withResolvers, well-formed Unicode strings, and the RegExp v flag — with practical examples.
TypeScript utility types explained: Partial, Pick, Omit, Record, Exclude, ReturnType and more — with real examples, a cheat sheet, and common pitfalls.
React performance optimization techniques — memoization, code splitting, virtualization, and 7 more battle-tested strategies from real apps.
SvelteKit vs Next.js: an in-depth 2026 comparison of performance, DX, routing, and deployment, from real production experience.