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Advanced JavaScript Tutorial on Scrimba

Quick Answer: Pro, 9.8-hour Intermediate course. Challenge-heavy coverage of methods, async and APIs, objects, symbols, and advanced function patterns including generators. For developers who know basics and want depth before serious React, Node, or interviews.

Last reviewed: March 2026.

Disclosure: ScrimbaGuide may earn a commission when you enroll or subscribe through links on this page. We still describe course limits honestly.

Advanced JavaScript Tutorial

Pro

Master advanced JavaScript concepts through a ton of hands-on challenges designed to deepen your understanding of the world's most used coding language!

Duration: 9.8 hrsLevel: Intermediate9 modules
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About This Course

Master advanced JavaScript concepts through a ton of hands-on challenges designed to deepen your understanding of the world's most used coding language!

This Intermediate-level course covers 9.8 hrs of content across 94 interactive screencasts. A Scrimba Pro subscription is required for full access.

  • Duration: 9.8 hrs
  • Level: Intermediate
  • Access: Scrimba Pro required
  • Modules: 9
  • Total Lessons: 94

What Makes This Course Distinctive

Tom Chant structures this as repeated problem sets, not a single demo app. You spend real time on loops and collection methods until they feel automatic, then you shift into async flows and API-shaped thinking without jumping straight to a framework. The object modules go beyond "make an object literal" into construction patterns and how instances behave, which pays off when you read library code later.

Logical operators and nullish coalescing get their own short block. That sounds small, but it cuts down on the defensive && soup you see in legacy codebases. The collections and symbols section is easy to skip on other platforms; here it is part of the same thread so you see why iterators and well-known symbols exist, not just that they are trivia for quizzes.

The teaching style assumes you will type answers, fail checks, and adjust. That is closer to how debugging works on the job than passively watching a three-hour refactor video. Strong fit if you finished a beginner JS course and still feel shaky on this, promises, or object design. Weak fit if you have never written a function or opened dev tools, because the pace expects baseline fluency.

Module Breakdown

ModuleDurationLessons
Advanced Foundations86 min14
Methods & Loops101 min14
Function Expressions & Parameters50 min7
Asynchronous JavaScript & APIs84 min18
Logical Operators & Coalescing29 min6
Working with Objects54 min7
Creating Custom Objects77 min8
Collections & Symbols21 min4
Advanced Function Patterns & Generators78 min16

Prerequisites

Basic knowledge of HTML and CSS is recommended before starting this course.

Who Is This Course For?

Best for: developers who know the basics but want to level up core JavaScript: async, objects, iterators, and harder function patterns.

Not ideal if: you're brand new to JavaScript or have never shipped a small script with HTML. Start with JavaScript Tutorial first.

Part of These Learning Paths

Choose This If

  • You want interview- and production-ready muscle on async JavaScript, object modeling, and advanced syntax without jumping into React first.
  • You tried random advanced articles but lacked a single ordered path. This course chains modules so each topic sets up the next.
  • You need confidence reading and writing non-trivial JS on the Frontend Developer Path or Fullstack Developer Path.

Practice & Learn More

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