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React Interview Questions. Common React questions you'll face in job interviews, with detailed answers in Spanish.

Problem

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Audience

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Market

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Pricing

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Vaya's read on this project

Problem, audience, market, and the verdict — sign in to see it.

Updates

July 2026

fix(cls): evita saltos de layout y mejora el buscador y /questions Jul 20
fix(a11y): sustituye aria-label por texto oculto en el contador Jul 20
perf(css): incrusta el CSS en el HTML en vez de enlazarlo Jul 20
perf(css): recorta el CSS critico de subsets y estilos de articulo Jul 20
fix(code): limita overscroll-behavior al eje horizontal Jul 20
revert: elimina las view transitions cross-document Jul 20
revert: elimina la escalera de animaciones de entrada Jul 20
style: oscurece el fondo del tema oscuro a #0f0f12 Jul 20
chore: elimina los workarounds específicos de Cloudflare Jul 20
feat(home): la escalera de entrada solo se ve una vez por sesión Jul 20
style(home): escalera de animaciones única y en orden visual Jul 20
perf(book): reduce la portada de 30KB a 6.7KB y adelanta su carga Jul 20
feat(view-transitions): cross-document fade con CSS nativo Jul 20
fix(headers): move cache headers to vercel.json (site deploys on Vercel) Jul 19
fix(headers): make HTML edge-cacheable so Cloudflare accepts hover pr… Jul 19
docs(readme): replace broken header icon with site og image Jul 19
perf: prefetch + hover prerender and long-lived cache headers Jul 19
feat(ui): redesign with minimal monochrome theme and Geist fonts Jul 19
chore(content): regenerate content JSON with accent-free slug links Jul 19
fix(ui): slow React logo spin to 30s with valid duration unit Jul 18

May 2026

feat: add 404 Not Found page and handle post fetching errors May 19
chore: eliminar la exportación de runtime en route.ts May 18
chore: mejorar la redacción del contenido sobre JSX en que-es-jsx.json May 18
chore: eliminar la configuración de overrides para @types/react en pa… May 18
chore: agregar paquetes al archivo pnpm-workspace.yaml May 18
chore: agregar configuración de packageManager en package.json May 18
Merge branch 'main' of github.com:midudev/preguntas-entrevista-react May 18
chore: add pnpm workspace configuration to allow builds for sharp May 18
Merge pull request #134 from daniseguraf/patch-1 May 18

April 2026

Merge pull request #135 from daniseguraf/activate-showReadStatus-prop… Apr 25