Closures Courses and Certifications

Introduction to Functional Programming

The aim of this course is to teach the foundations of functional programming and how to apply them in the real world.

• edX
• 20 hours
• Self-Paced
• Free Online Course

The JavaScript Bible - JavaScript Bootcamp

1885 ratings at Udemy

Understand and learn JavaScript and ES6 in a one challenge-based JavaScript Bootcamp course!

• Udemy
• 1 day 18 hours 33 minutes
• Self-Paced
• Paid Course

A Beginners Guide to Advanced JavaScript & ES6 - ES2017

1891 ratings at Udemy

Learn tough topics like: 'this', scope, 'new' , hoisting, ES6, & More! Take your JS knowledge to the next level!

• Udemy
• 4 hours 45 minutes
• Self-Paced
• Paid Course

JavaScript Pro: Mastering Advanced Concepts and Techniques

1648 ratings at Udemy

Level Up Your JS. Covers latest syntax, design patterns, functional programming, browser APIS, OOP, Canvas, and more!

• Udemy
• 19 hours 1 minute
• Self-Paced
• Paid Course

JavaScript Interview Questions - Coding Interview 2026

1252 ratings at Udemy

Prepare for next JavaScript coding interview by doing practice questions. Learn javascript skills & concepts.

• Udemy
• 3 hours 45 minutes
• Self-Paced
• Paid Course

Packt

Introduction to Rust Programming and Core Concepts

20 ratings at Coursera

Master Rust programming essentials, from basic constructs to advanced concepts like ownership, control structures, and memory management. Build practical skills through hands-on projects and prepare for real-world challenges.

• Coursera
• 11 hours 1 minute
• Self-Paced
• Paid Course

Packt Credential

The Complete Modern JavaScript Course with ES6

7 ratings at Coursera

Master modern JavaScript and ES6, from basics to advanced concepts. Build dynamic web apps, optimize code, and tackle complex programming challenges with confidence.

• Coursera
• 4 weeks, 10 hours/week
• Self-Paced
• Paid Course
• 3 courses

Packt Credential

JavaScript from Beginner to Expert 2.0

5 ratings at Coursera

Master JavaScript fundamentals through React development, DOM manipulation, and Express.js integration to build interactive web applications with modern best practices.

• Coursera
• 4 weeks, 10 hours/week
• Self-Paced
• Paid Course
• 3 courses

Packt

Modern JavaScript with ES6

Master ES6 features for efficient, modern JavaScript development. Explore new syntax, data structures, and OOP concepts to write cleaner, more maintainable code.

• Coursera
• 7 hours 4 minutes
• Self-Paced
• Paid Course

Packt

Advanced JavaScript Concepts

Master advanced JavaScript concepts and build a professional typing test app. Explore execution contexts, closures, OOP, and design patterns for efficient, maintainable code.

• Coursera
• 17 hours 25 minutes
• Self-Paced
• Paid Course

Scrimba

Advanced JavaScript 3: Objects, Collections, Functions

Master advanced JavaScript: objects, collections, and functions. Enhance coding skills with custom objects, efficient data management, and advanced function techniques for cleaner, more efficient code.

• Coursera
• 4 hours 35 minutes
• Self-Paced
• Paid Course

Packt Credential

Learn to Code with Rust

Master Rust programming through hands-on projects, covering ownership, traits, generics, and testing to build memory-safe, efficient applications.

• Coursera
• 8 weeks, 10 hours/week
• Self-Paced
• Paid Course
• 4 courses

PCAP: Python OOP and Code Streamlining

Master object-oriented programming in Python through classes, list comprehensions, lambda functions, and closures to write more efficient and streamlined code.

• Coursera
• 6 hours 10 minutes
• Self-Paced
• Paid Course

Rust Programming Essentials: Unit 3

Master functions, closures, and structures in Rust while learning to organize code into modules and implement efficient programming patterns with the borrow checker.

• Coursera
• 6 hours 2 minutes
• Self-Paced
• Paid Course

Packt

Advanced Rust – Lifetimes, Iterators, Testing & Randomness

Master advanced Rust concepts including lifetimes, iterators, closures, testing strategies, and essential crates like rand, chrono, and regex for building safer, efficient programs.

• Coursera
• 1 day 7 hours 11 minutes
• Self-Paced
• Paid Course