Is the training Qualiopi certified?

Yes, Learni is a Qualiopi-certified training organization. This certification guarantees the quality of our courses and enables funding through OPCO and other mechanisms.

How can I fund my training?

Our courses are eligible for OPCO funding. Learni supports you through the funding process. A personalized quote is available upon request.

What are the prerequisites for this training?

The prerequisites for the Maîtriser Lodash : Optimiser vos Développements JavaScript training are: Connaissances de base en JavaScript, manipulation d’objets et de tableaux. A preliminary interview validates your eligibility.

Is the training available in person?

Yes, the Maîtriser Lodash : Optimiser vos Développements JavaScript training is available in distanciel. The format can be adapted to your needs (inter, intra, custom).

Maîtriser Lodash : Optimiser vos Développements ... | Learni

The story of Learni

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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Methods, approaches, and teaching resources

The Maîtriser Lodash : Optimiser vos Développements JavaScript 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.

Teaching resources provided

To ensure the quality of the Maîtriser Lodash : Optimiser vos Développements JavaScript training, Learni provides the following teaching resources:

Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, video projector or interactive touchscreen (for remote sessions)
Training environments installed on workstations or accessible online
Course materials, practical exercises, and supplementary resources
Post-training access to materials and 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.

* contact us for remote feasibility** ratio varies depending on the training followed

Assessment methods

The assessment of skills acquired during the Maîtriser Lodash : Optimiser vos Développements JavaScript training is carried out through:

During training: case studies, practical exercises, and professional scenarios
At the end of training: self-assessment questionnaire and skills evaluation by the trainer
After training: training completion certificate detailing acquired skills

Training accessibility

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.

Training objectives

Comprendre l’utilité et l’architecture de Lodash

Savoir manipuler, transformer et filtrer des données avec Lodash

Écrire un code plus concis et performant grâce aux fonctions utilitaires Lodash

Maîtriser les fonctions avancées : debounce, throttling, deep clone, etc.

Optimiser ses traitements asynchrones et chaîner les opérations

Être capable d’intégrer Lodash proprement dans un projet moderne (Node.js, Front-End)

Training program

Module 1Introduction à Lodash et Fondamentaux

Origine et contexte de Lodash, installation (npm, CDN, ES modules), découverte des principales familles de fonctions, différences avec les méthodes natives ES6+. Premières applications sur tableaux, objets, chaînes de caractères. Prise en main avec des exercices concrets sur extraction et transformation de données.

Module 2Groupements, Filtrages, Chaines et Fonctions Utilitaires

Approfondissement : groupBy, uniq, orderBy, map, filter, find, reduce. Comprendre et exploiter les chaines Lodash pour chaîner les opérations efficacement. Focus sur la gestion d’ensembles complexes (dédoublonnage, fusion, comparaison d’objets imbriqués). Introduction à Memoization, Debounce et Throttle pour optimiser les performances côté client (scroll, recherche, etc.).

Module 3Techniques avancées et Intégration dans vos Projets

Deep Clone, deepEqual, gestion des structures imbriquées et comparaisons profondes, sécuriser la manipulation de données sensibles. Lodash FP (programming fonctionnelle) et modularisation sélective pour alléger le bundle. Démonstrations sur l’optimisation de traitements asynchrones (async, promises, await, integration REST). Bonnes pratiques, debugging, pièges à éviter. TP final : transformer et manipuler des datasets réels (JSON API) en production.