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Frontend

JavaScript - Advanced ES6+ Techniques

Do you write JavaScript only when you have to?

Duration
16h · 2 days
Ask about the program → See all
Who it's for

Ideal for teams that…

1 Frontend developers with basic skills
2 Developers who only use JS when necessary but are open to learning advanced programming techniques
3 Frontend developers unfamiliar with the latest JS mechanisms
Outcomes after the program

Modern frontend in practice — components, performance and code quality.

✓

Understand the latest JavaScript (ES6+) mechanisms

✓

Use Node and npm for frontend needs

✓

Build a page with Web Components

✓

Use webpack and TypeScript effectively

✓

Expand your “developer portfolio” project

Program · 11 modules

What we actually do

M01
Module 1: Tools and Configuration
  • · Node.js and npm
  • · ESLint – static code analysis
  • · Prettier – code formatting
  • · Webpack – module bundling and build process
M02
Module 2: Modules
  • · Node.js module system
  • · ES6 modules (import / export)
  • · Dynamic imports
M03
Module 3: Better Syntax
  • · var, let, const
  • · Destructuring and default values
  • · Spread operator
  • · Classes and inheritance
  • · Null-safety operators: ??, ?., ??=
M04
Module 4: Using APIs
  • · fetch API
  • · Promises
  • · Collections and processing: Map, Set filter, map for...in, for...of, forEach flat, flatMap
  • · async / await
M05
Module 5: Generators
  • · Pull-based reactivity
  • · Iterators
  • · Observers
  • · Coroutines
M06
Module 6: Advanced Features
  • · Proxy
  • · Symbol
  • · BigInt
  • · WeakRef and FinalizationRegistry
M07
Module 7: Web Components
  • · customElements
  • · HTML templates
  • · Shadow DOM
  • · Web Components vs frameworks
  • · Attributes and properties
M08
Module 8: CSS
  • · Flexbox and Grid
  • · CSS variables
  • · Pseudo-selectors
  • · Animations
  • · Atomic CSS
M09
Module 9: Transpilation
  • · Babel
  • · TypeScript
  • · Decorators – practical example
M10
Module 10: Browser Console
  • · console.log, console.trace, console.table
  • · Running JavaScript code in the browser console
M11
Module 11: Testing
  • · Jest
  • · Snapshot testing
  • · Local development server
Every module is adapted to your stack and context. The above is a starting point — not a fixed agenda.
How we work

From brief to retro in 30 days.

01

Brief & diagnosis

A call with the team lead + a short survey for participants. We define goals, gap and context.

02

Program customization

We adapt modules, case studies and code examples to your stack. Approval in 5 days.

03

Workshop

Trainer-led sessions, hands-on, code review. Mentor available between sessions too.

04

Retro + report

Outcome report for the team and lead. 30 days of consulting included.

Inquiry

Send a brief. We'll reply within 1 day.

After a short brief we'll prepare a program and a quote. No obligations — it's just a starting point.

✓Quote within 48h of the brief
✓First session within 30 days
✓Pilot before the full decision
✓VAT invoice, payment in instalments possible

How we handle your data

We process your business data (name, work e-mail, phone number, company, job title) in order to handle your corporate training inquiry and prepare an offer. The data controller is infoShare Academy Sp. z o.o., Al. Grunwaldzka 472B, 80-309 Gdańsk. Providing the data is voluntary but necessary to receive a response. You have the right to access, rectify, erase or restrict the processing of your data and to object to it. Full information is available in our data processing notice.

Optional marketing consents

The controller of your personal data is infoShare Academy sp. z o.o. The rules for processing personal data are set out in the Privacy Policy and the Data Processing Notice.

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