Updated in May 2025.

This course now features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. This comprehensive course on Modern JavaScript with ES6 starts with an introduction to ES6, emphasizing its significance in JavaScript's evolution. In this course you will: - Compare traditional 'var' declarations with the new 'let' and 'const' keywords, essential for writing predictable and maintainable code. - Explore key concepts such as block scoping, immutable variables, temporal dead zones, and closures - Cover modern JavaScript features, including template literals for string manipulation, arrow functions with lexical 'this', and array/object destructuring. - Understand default and rest parameters, the spread operator, and efficient object literal methods. - New ES6 data structures like Maps, Sets, and Symbols, along with iteration techniques using for-of loops, iterators, and generators, are introduced to enhance code efficiency. - Modern array methods like Array.from and Array.of are taught for better data manipulation. - Cover ES6 classes, focusing on syntax, static methods, getters/setters, and inheritance for a more structured approach to object-oriented programming. This course is ideal for JavaScript developers familiar with the basics, aiming to upgrade their skills to include ES6's latest features for more modern, efficient, and maintainable code.