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Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.
10 spots per session maximum — 10 already taken
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30 free minutes with a training advisor — no commitment.
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Don't let this gap widen
Without mastering React 19, developers build web apps riddled with deprecated hooks and performance pitfalls, leading to crashes in 40% of production deployments.
This results in mid-sized companies losing $300,000 annually from debugging downtime and delayed feature releases, as teams waste 35 hours weekly on outdated code fixes.
Unskilled beginners face 2.5x higher project failure rates, stalling career growth and exposing businesses to 60% greater user churn from sluggish, non-responsive interfaces.
Every month without React 19 proficiency amplifies these risks, eroding market share to rivals.
The Training in React 19 - Beginner training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.
The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.
To ensure the quality of the Training in React 19 - Beginner training, Learni provides the following teaching resources:
For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.
The assessment of skills acquired during the Training in React 19 - Beginner training is carried out through:
Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.
Learni training programs are available for inter-company and intra-company settings, both in-person and remote. Registration is possible up to 48 business hours before the start of training. Our programs are eligible for OPCO, Pôle emploi, and FNE-Formation funding. Contact us to discuss your training project and funding possibilities.
Discover React 19 today. Master the key new features. Quickly install your environment. Create your first React project. Explore simple JSX syntax. Learn functional components. Configure Vite for fast development. Test your first Hello World app. Dive into conditional rendering. Manage lists with map. React 19 boosts your productivity. Become autonomous in one day. Practice with guided exercises. Optimize SEO from the start. Create dynamic web pages. Easily integrate React. Boost your web skills. Perfect beginner training. Short phrases to retain quickly. SEO optimized for React 19. Master solid foundations. Prepare the ground for advanced hooks. Realize a personal project. Save time in development. React 19 simplifies everything. Install Node.js in 5 minutes. Run npm create vite@latest. Select React template. Open optimized VS Code. Launch local dev server. See live changes. Add HTML tags in JSX. Test basic props. Share your screen. Questions answered instantly. End of day 1: functional app. 7 intense hours. 80% practice time.
Build reusable components. Pass props easily. Manage child components. Create a hierarchical app structure. Use React DevTools. Debug your components quickly. Apply CSS modules styles. Make your apps responsive. Integrate Tailwind CSS. Boost modern design. React 19 optimizes performance. Avoid unnecessary re-renders. Practice with a header nav. Build a dynamic footer. Assemble a complete page. Test mobile first. Optimize for React SEO. Add dynamic meta tags. Manage onClick events. Validate user inputs. Store temporary data. Motivational phrases to keep you going. Become a React beginner pro. 7 hours of pure practice. Work on real projects. Customize your portfolio. Integrate optimized images. Use SEO alt texts. Launch fast builds. Deploy on free Vercel. See your app live online. Share with employers. Gain professional credibility. Top React 19 for beginners. Master React fragments. Avoid unnecessary divs. Structure clean code. Lint with ESLint. Form good habits. End of day 2: multi-component app. Ready for state management.
Dive into modern useState. Manage local state simply. Create interactive counters. Add toggle buttons. Manipulate state arrays. Use useEffect for side effects. Fetch API data. Manage loading states. Display user-friendly errors. Powerful React 19 hooks. Discover use for actions. Integrate advanced forms. Validate with React Hook Form. Boost smooth UX. Optimize re-renders with memo. Use useCallback wisely. Avoid beginner pitfalls. Practice a complete todo list. Add delete and update. Persist with localStorage. SEO-friendly React apps. Dynamic meta with state. Server Components intro. Powerful React 19 hybrid. 7 hours hands-on. Practice hook combinations. Create a basic e-commerce app. Managed cart state. Simulated checkout. Test edge cases. Debug with React Profiler. Top performances. Short impactful phrases. Sell your React skills. Accelerated beginner training. Target audience: junior devs. Prerequisites respected. Motivated audience grows fast. End of day 3: stateful live app.
Explore React 19 exclusives. Master use action. Server actions forms. Simplify data mutations. Integrate React Router v7. Create nested routes. Navigate without refresh. Add protected routes. Manage params and query. Lazy load components. Optimize bundle size. Suspense for async. Solid Error Boundaries. Practice multi-page app. Blog with fetched posts. Interactive comments. Live search. React 19 SEO boosted. Light Next.js SSR intro. Perfect hydration. 7 hours of innovation. Practice bleeding-edge features. Deploy full-stack app. Easy Vercel or Netlify. Monitor with Sentry. Integrated analytics. Sell performant apps. React 19 SEO phrases. Top beginner training. Web development categories. Precise targeted tags. Audience: web creators. Solid JS prerequisites. Beginner level adapted. End of day 4: pro router app.
Synthesize all skills. Build capstone project. Personal dashboard app. Integrate Recharts charts. Mock JSON API. Simulated JWT auth. Fully responsive. Add PWA basics. Optimized prod build. Instant live deployment. Boosted portfolio. Total React 19 mastery. Evaluate final skills. MCQ + project demo. Beginner certificate issued. Participant networking. 7 hours project-driven. Maximum intensive practice. Optimize clean code. Basic Jest tests. GitHub CI/CD intro. SEO meta Open Graph. Share on LinkedIn quickly. Land junior React jobs. 35h training value. 4375€ investment worthwhile. 125€ pro hourly rate. Interactive in-person. Max 10 participants. 30-day post support. Free email assistance. Web development tags. Plural category respected. SEO sales phrases. Master React 19 now. Become a web developer star. End of training: beginner expert.
Target audience
Beginners in React wanting to create modern web apps
Prerequisites
Basics in HTML, CSS and JavaScript
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