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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.
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30 free minutes with a training advisor — no commitment.
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Don't let this gap widen
Sans Babel, 68% des développeurs perdent jusqu'à 25 heures par projet sur corrections de compatibilité navigateur.
Les erreurs runtime sur ES6+ coûtent en moyenne 15 000€ par incident en refonte d'apps legacy pour entreprises.
En 2024, 82% des recruteurs JavaScript écartent les profils incapables de transpiler du code moderne, freinant promotions et reconversions.
Chaque trimestre sans ces compétences expose votre équipe à des pertes de productivité de 40%, pendant que concurrents livrent apps universelles plus vite.
The Formation Babel - Transpiler JavaScript moderne en ES5 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 Formation Babel - Transpiler JavaScript moderne en ES5 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 Formation Babel - Transpiler JavaScript moderne en ES5 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.
Découverte immersive de Babel via installation rapide avec npm et yarn, création d'un projet test pour transpiler du code ES6 en ES5 compatible tous navigateurs, exploration des commandes CLI pour builds automatisés, exercices pratiques sur arrow functions et let/const, génération de fichiers transpiler avec sourcemaps pour debug facile, retours personnalisés du formateur sur vos premiers outputs professionnels.
Plongée dans la configuration avancée de Babel avec fichiers .babelrc et babel.config.js, sélection de presets comme @babel/preset-env pour compatibilité optimale, définition de targets via browserslist pour entreprises multi-navigateurs, ateliers pratiques sur transpilation de classes ES6 et modules import/export, tests en live sur anciens browsers comme IE11, production de configs réutilisables pour vos stacks actuels.
Maîtrise des plugins Babel pour transformer async/await en promesses compatibles, installation et usage de @babel/plugin-transform-runtime, exercices sur decorators et generators pour code moderne d'entreprise, intégration avec polyfills pour runtime partagé, cas concrets d'apps web réactives, débogage interactif de transformations, création de bundles optimisés prêts pour déploiement certifiant.
Intégration fluide de Babel dans Webpack et Parcel pour workflows DevOps, configuration de loaders babel-loader pour builds scalables, optimisation des performances avec tree-shaking et minification, simulations de déploiements sur Netlify et Vercel, projet fil rouge complet sur une app e-commerce transpiler, revue de code finale, export de configurations prêtes pour vos équipes en entreprise.
Target audience
Développeurs JavaScript débutants, front-end et full-stack en reconversion professionnelle
Prerequisites
Connaissances de base en JavaScript ES5 et Node.js
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