Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
Describe your need, get a tailored program and a pre-filled quote in 3 min. A 100% free call with an advisor.
Founded by passionate learning and innovation experts, Learni's mission is to make professional training accessible to everyone, anywhere in the world. Our team operates in major hubs — London, New York, Boston — and internationally, to support talents and organizations in upskilling.
Don't let this gap widen
Without this upskilling, your team accumulates a technological gap that translates directly into productivity loss.
Organizations that don't train their talents on key topics see their competitiveness drop.
Every quarter without training is a gap widening with competitors who invest.
The cost of inaction quickly exceeds that of well-targeted training.
Immersive discovery of ESLint 2026 basics through quick installation with npm and yarn, initial configuration in a real JavaScript project, first lints on existing code to identify syntactic and stylistic errors, practical exercises on a simple business case, generation of automated reports and immediate corrections to visualize the impact on code quality, while preparing an optimized personal environment.
Deep dive into customizing ESLint 2026 with creation of .eslintrc.json and .eslintrc.js files, activation of presets like Airbnb or Standard, exploration of essential rules for style and security, practical workshops on refactoring legacy code, pair testing to validate configurations, production of enterprise-ready configurations, demonstrating immediate gains in readability and maintainability.
Mastery of custom rules via extends and overrides in ESLint 2026, integration of plugins for React, TypeScript, and Node.js, exercises on concrete cases like detecting memory leaks or unused imports, creation of custom rules tailored to your stack, before/after linting analysis on continuous projects, sharing of configurations for teams, highlighting accelerated collaborative development.
Practical implementation of ESLint 2026 in VSCode and WebStorm via dedicated extensions, configuration of auto-fix on-save for immediate time savings, npm scripts for pre-commit linting with Husky, workshops on CI/CD pipelines with GitHub Actions and Jenkins, simulation of production-blocking errors, collective resolution and full integration deployment, proving drastic bug reduction on merges.
Final optimization of ESLint 2026 with enabled cache and strategic .eslintignore, focus on performance in monorepos and large projects, review of best practices for agile teams, capstone project on full audit of an enterprise codebase, generation of quality metrics and post-training action plan, sharing of ready-to-use templates, concluding with certification of professional linting skills.
The Training ESLint 2026 - Ensuring Clean JavaScript Code program is delivered onsite or remote (blended-learning, e-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
For the smooth delivery of the Training ESLint 2026 - Ensuring Clean JavaScript Code program, the following equipment is required:
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
Assessment of skills acquired during the Training ESLint 2026 - Ensuring Clean JavaScript Code program is performed through:
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Learni programs are available inter-company and intra-company, onsite or remote. Enrollments are possible up to 48 business hours before the program starts. Our programs are eligible for corporate funding paths. Contact us to discuss your training project and funding options.
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
Développement WebIndustry-certified
Développement WebIndustry-certified
Développement WebIndustry-certified
Développement WebIndustry-certified
Développement WebIndustry-certified
Développement WebIndustry-certified
Langages de ProgrammationIndustry-certified
Langages de ProgrammationIndustry-certified
Langages de ProgrammationIndustry-certified
Langages de ProgrammationIndustry-certified
Langages de ProgrammationIndustry-certified
Langages de ProgrammationIndustry-certified
Frameworks & BibliothèquesIndustry-certified
Frameworks & BibliothèquesIndustry-certified
Frameworks & BibliothèquesIndustry-certified
Frameworks & BibliothèquesIndustry-certified
Frameworks & BibliothèquesIndustry-certified
Frameworks & BibliothèquesIndustry-certified
Développement de Jeux VidéoIndustry-certified
Développement de Jeux VidéoIndustry-certified
Développement de Jeux VidéoIndustry-certified
Développement de Jeux VidéoIndustry-certified
Développement de Jeux VidéoIndustry-certified
Développement de Jeux VidéoIndustry-certified30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.