Advanced Language Features in JavaScript

Overview

Develop advanced JavaScript skills with modern syntax, functional patterns, object-oriented design, asynchronous programming, and meta-programming. Learn to combine these features in maintainable, real-world applications.

What you'll learn

Write idiomatic JavaScript using modern ES2015+ syntax
Build composable data pipelines with functional programming patterns
Design robust class hierarchies and encapsulate object state
Model failure with custom error classes and structured error handling
Implement custom iterators, generators, and lazy processing workflows
Manage asynchronous operations with Promises, async/await, and async iteration
Apply Symbols, Proxy, and Reflect to customize language behavior
Integrate object-oriented, functional, and asynchronous patterns in complete programs

Advantages and disadvantages

Advantages

University courses you can audit for free, with lectures, readings and practice quizzes.
A verified certificate from the university if you pay for it.
Self-paced: start any time.

Disadvantages

Graded assignments and the certificate need the paid track.
Audit access can expire a few weeks after the course ends.
Learning is free, but the certificate costs money.
Some parts (graded work, certificate) are paid.

Some points apply to every course of this kind; see how we rank.

Free to audit

Free: Choose "Audit this course" when you enrol: lectures, readings and practice are free.
Paid: Graded assignments and the verified certificate (Certificate $85). Audit access may end after the course closes.

Before you start

Beginner: Computer Science Fundamentals (JavaScript) Beginner: General Programming and Algorithms (JavaScript)

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